gsrcrxsi
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 12:06:02
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kram36
adol290
So are these 2 cards ok, and don't have the problem?
EVGA GeForce RTX 3080 Ti FTW3 ULTRA HYBRID GAMING, 12G-P5-3968-KR
EVGA GeForce RTX 3080 Ti FTW3 ULTRA GAMING, 12G-P5-3967-KR
My 3080 Ti FTW3 card works like a charm. I would not hesitate to purchase either of those cards. 
What clocks and power limit are observed when running FurMark (latest) with 1440p or 4k, no AA. Please include observed memory controller load as well.
Rig1: EPYC 7V12 | [7] Titan VRig2: EPYC 7B12 | [8] Titan VRig3: [2] EPYC 7742 | [8] Tesla V100 SXM2
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speedysloth
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 12:06:06
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agramonte
kram36
These cards are crap, EVGA should be sued for selling them.
I just got my notify today for the 3080Ti XC3 HC. Are you saying they are a no go still? I only just saw this because I was going to update your list for this card
It is $1600 for me with tax and shipping.
Even though I personally feel that the variance seen in the XC3 variant is within component tolerance, the XC3 HC is an overpriced card for what you get. For $1199, the card is already at or below an FE. For $1449 you're essentially paying for an under powered card that is cooled better. A hybrid cooler of any sort makes little sense on a card being limited by a 350W hard limit and potentially ~330W soft limit. On the other hand I don't know how much the FTW3 is better. Its 200$ more and gives you not a lot of actual performance. Plus the fiasco with the 3090 version of that card makes me hesitant to recommend a 3 pin card as it is.
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kram36
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 12:11:25
(permalink)
gsrcrxsi
kram36
adol290
So are these 2 cards ok, and don't have the problem?
EVGA GeForce RTX 3080 Ti FTW3 ULTRA HYBRID GAMING, 12G-P5-3968-KR
EVGA GeForce RTX 3080 Ti FTW3 ULTRA GAMING, 12G-P5-3967-KR
My 3080 Ti FTW3 card works like a charm. I would not hesitate to purchase either of those cards.
What clocks and power limit are observed when running FurMark (latest) with 1440p or 4k, no AA. Please include observed memory controller load as well.
Will have to wait until my nephew gets home to get that information as the card is in his pc. He lives with me as his father isn't a father.
post edited by kram36 - 2021/07/21 12:12:28
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hallmark888
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 12:17:17
(permalink)
gsrcrxsi
kram36
adol290
So are these 2 cards ok, and don't have the problem?
EVGA GeForce RTX 3080 Ti FTW3 ULTRA HYBRID GAMING, 12G-P5-3968-KR
EVGA GeForce RTX 3080 Ti FTW3 ULTRA GAMING, 12G-P5-3967-KR
My 3080 Ti FTW3 card works like a charm. I would not hesitate to purchase either of those cards.
What clocks and power limit are observed when running FurMark (latest) with 1440p or 4k, no AA. Please include observed memory controller load as well.
Have this. Hope you find it useful. It's my friends card, I benched it against my 3090 in a few games before giving it to him. It usually stays at 380-400 watts at stock despite the workload. Test is Heaven Benchmark 4.0, Windowed mode, 3200x1800 All maxed. 
post edited by hallmark888 - 2021/07/21 12:19:54
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talon951
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 12:24:48
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speedysloth
agramonte
kram36
These cards are crap, EVGA should be sued for selling them.
I just got my notify today for the 3080Ti XC3 HC. Are you saying they are a no go still? I only just saw this because I was going to update your list for this card
It is $1600 for me with tax and shipping.
Even though I personally feel that the variance seen in the XC3 variant is within component tolerance, the XC3 HC is an overpriced card for what you get. For $1199, the card is already at or below an FE. For $1449 you're essentially paying for an under powered card that is cooled better. A hybrid cooler of any sort makes little sense on a card being limited by a 350W hard limit and potentially ~330W soft limit.
On the other hand I don't know how much the FTW3 is better. Its 200$ more and gives you not a lot of actual performance. Plus the fiasco with the 3090 version of that card makes me hesitant to recommend a 3 pin card as it is.
So the absolute best that can be hoped for is hitting 366w on this card. So it's at most limited 16 to a max of 36w below that? I can't see evga ever caring about that. What percentage loss in performance is that? 1-2% maybe?
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kram36
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 12:33:15
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.....
post edited by kram36 - 2021/07/21 13:35:40
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speedysloth
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 12:35:43
(permalink)
talon951
speedysloth
agramonte
kram36
These cards are crap, EVGA should be sued for selling them.
I just got my notify today for the 3080Ti XC3 HC. Are you saying they are a no go still? I only just saw this because I was going to update your list for this card
It is $1600 for me with tax and shipping.
Even though I personally feel that the variance seen in the XC3 variant is within component tolerance, the XC3 HC is an overpriced card for what you get. For $1199, the card is already at or below an FE. For $1449 you're essentially paying for an under powered card that is cooled better. A hybrid cooler of any sort makes little sense on a card being limited by a 350W hard limit and potentially ~330W soft limit.
On the other hand I don't know how much the FTW3 is better. Its 200$ more and gives you not a lot of actual performance. Plus the fiasco with the 3090 version of that card makes me hesitant to recommend a 3 pin card as it is.
So the absolute best that can be hoped for is hitting 366w on this card. So it's at most limited 16 to a max of 36w below that? I can't see evga ever caring about that. What percentage loss in performance is that? 1-2% maybe?
Essentially yes. I don't think we'll be getting a response from EVGA as well. The performance hit is around 1-3% in actual games based on the one review we have of this card. It is 5-9% in synthetic benchmarks and other gaming benchmarks like timespy which makes sense as those benchmarks give better results the higher the power usage of a card.
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Sir_Sizzle77
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 12:37:27
(permalink)
hallmark888
Sir_Sizzle77
hallmark888
Sir_Sizzle77
Is there a graphics test that won't be affected too much using an old cpu? I'd like to see how my scores compare.
What's your processor? Port Royal is CPU unbiased unless you really have an ancient one.
4790k
Port Royal bottenecking will almost be non-existent, but it might hinder Time Spy GPU score slightly, but not radically.
Here are random samples.
https://www.3dmark.com/spy/21536487
https://www.3dmark.com/pr/1127813
kram36
Sir_Sizzle77
Is there a graphics test that won't be affected too much using an old cpu? I'd like to see how my scores compare.
Port Royal doesn't seem to have a big issue with what CPU you use.
Hybrid card on the left, Hydro Copper on the right.
https://www.3dmark.com/compare/pr/1131044/pr/1136756
Thank guys. My result https://www.3dmark.com/3dm/64055390? RTX 3080 Ti XC3 GAMING, 12G-P5-3953-KR another run https://www.3dmark.com/3dm/64080697?
post edited by Sir_Sizzle77 - 2021/07/22 08:04:26
For referral at product registration: For discount at checkout: My Rewards Program Code: IR2IS16H62 Associate Code: MS709K401ICWSI5   Remember to upload an invoice after product registration.
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gsrcrxsi
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 12:44:32
(permalink)
hallmark888
gsrcrxsi
kram36
adol290
So are these 2 cards ok, and don't have the problem?
EVGA GeForce RTX 3080 Ti FTW3 ULTRA HYBRID GAMING, 12G-P5-3968-KR
EVGA GeForce RTX 3080 Ti FTW3 ULTRA GAMING, 12G-P5-3967-KR
My 3080 Ti FTW3 card works like a charm. I would not hesitate to purchase either of those cards.
What clocks and power limit are observed when running FurMark (latest) with 1440p or 4k, no AA. Please include observed memory controller load as well.
Have this. Hope you find it useful. It's my friends card, I benched it against my 3090 in a few games before giving it to him. It usually stays at 380-400 watts at stock despite the workload.
Test is Heaven Benchmark 4.0, Windowed mode, 3200x1800 All maxed.
please try furmark and include memory controller load from gpuz
Rig1: EPYC 7V12 | [7] Titan VRig2: EPYC 7B12 | [8] Titan VRig3: [2] EPYC 7742 | [8] Tesla V100 SXM2
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hallmark888
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 13:01:35
(permalink)
gsrcrxsi
hallmark888
gsrcrxsi
kram36
adol290
So are these 2 cards ok, and don't have the problem?
EVGA GeForce RTX 3080 Ti FTW3 ULTRA HYBRID GAMING, 12G-P5-3968-KR
EVGA GeForce RTX 3080 Ti FTW3 ULTRA GAMING, 12G-P5-3967-KR
My 3080 Ti FTW3 card works like a charm. I would not hesitate to purchase either of those cards.
What clocks and power limit are observed when running FurMark (latest) with 1440p or 4k, no AA. Please include observed memory controller load as well.
Have this. Hope you find it useful. It's my friends card, I benched it against my 3090 in a few games before giving it to him. It usually stays at 380-400 watts at stock despite the workload.
Test is Heaven Benchmark 4.0, Windowed mode, 3200x1800 All maxed.
please try furmark and include memory controller load from gpuz
Sorry I don't have the card anymore. But I currently have 3090 FTW3 rev0.1 (It draws 75W max with the 420w PL). If you want I will try Furmark with it. I think it behaves the same way as the FTW3 3080 Ti. Here is the 3090 FTW3. I think the 3080 Ti FTW3 will behave the same. Furmark 1.26.0.0 4k no AA 
post edited by hallmark888 - 2021/07/21 13:13:35
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gsrcrxsi
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 13:20:00
(permalink)
Thanks. FTW3 cards definitely look more robust. That’s not unexpected. And you’re not seeing performance scale too much with memory controller load (ie, high memory controller load isn’t causing a low power limit). I’d still like to see kram’s 3080Ti FTW3 results to compare as well. I just think power limit should be the same all the time. There shouldn’t be these “hidden” power caps that can substantially reduce performance just because you’re running a memory intensive load (NOT talking about mining). Still my speculation based on observation that a combination of high memory load plus low PCIe slot limit is the cause of most issues with these cards. In addition to the card-to-card tolerances.
post edited by gsrcrxsi - 2021/07/21 13:25:03
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kram36
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 13:35:17
(permalink)
talon951
So the absolute best that can be hoped for is hitting 366w on this card. So it's at most limited 16 to a max of 36w below that? I can't see evga ever caring about that. What percentage loss in performance is that? 1-2% maybe?
These cards don't even get close to 366w. Do you notice something odd when I apply an OC to the card with the power slider maxed? Here is my 3080 Ti XC3 Hydro Copper power during 3DMark test. Fire Strike Ultra Stock  Fire Strike Ultra OC  Time Spy Stock  Time Spy OC  Port Royal Stock  Port Royal OC 
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sentient12
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 14:45:31
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kram36
talon951
So the absolute best that can be hoped for is hitting 366w on this card. So it's at most limited 16 to a max of 36w below that? I can't see evga ever caring about that. What percentage loss in performance is that? 1-2% maybe?
These cards don't even get close to 366w. Do you notice something odd when I apply an OC to the card with the power slider maxed?
Here is my 3080 Ti XC3 Hydro Copper power during 3DMark test.
Is that supposed to be rhetorical? The power use is lower if not. What overclock did you apply? Did the scores go up when you applied the overclock?
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sentient12
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 15:28:47
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To add to this. I just realized the 3dmark website lets you look at some cool stuff like statistics of tests for individual cards. Statistics speak volumes and are wildly more important than an individual performance indicator like board wise power draw. The below is a representation of my best graphics score without a ton of work vs the distribution of RTX 3080 cards. There are very few 3080's that can perform as well as this card regardless of board power draw.  The below is a representation of my best graphics score compared with the RTX 3090 distribution. The card performs pretty much like an average 3090 regardless of it's power draw. That's pretty cool.  The below is a representation of the boards performance with respect to the rest of the flock of 3080ti's. A little below average. It is not so below average that I would suggest there is a huge or fundamental problem with the card.   I agree, it would be cool if improvements in the card could be made with another pass at the bios. I would not want this to be done in a way that could shorten the lifespan of the card. I think it would be good if EVGA had someone else make this post. As far as I can tell, the more expensive coolers on the card don't seem to lead to large net performance gains. The cards with them are certainly running significantly cooler.
post edited by sentient12 - 2021/07/21 18:11:49
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Arnett
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 18:58:49
(permalink)
I asked this earlier but didn't see a response, so please chime in if you know...
Are customers in the step up program given any priority or an estimate of when their upgrade will come? For instance, if entering step up with an XC3 and upgrading to an FTW3, will you be placed at the ass end of the FTW3 queue? Is there a targeted timeframe of, say, sometime within 60 days? Asking because I've never gone through a step up, and it seems I'll be getting a notification for the XC3 well before my preferred FTW3 comes up. I know I'm not the only one in such a position, so any information regarding this would help a bunch of us decide whether to wait it out or go for the step up route.
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speedysloth
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/21 19:26:38
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Arnett
I asked this earlier but didn't see a response, so please chime in if you know...
Are customers in the step up program given any priority or an estimate of when their upgrade will come? For instance, if entering step up with an XC3 and upgrading to an FTW3, will you be placed at the ass end of the FTW3 queue? Is there a targeted timeframe of, say, sometime within 60 days? Asking because I've never gone through a step up, and it seems I'll be getting a notification for the XC3 well before my preferred FTW3 comes up. I know I'm not the only one in such a position, so any information regarding this would help a bunch of us decide whether to wait it out or go for the step up route.
Step up is a different queue entirely and its not a fast one. Could take a few months honestly given how slow the other stepup queues have been going.
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Aruzedragon
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 00:05:29
(permalink)
Arnett
I asked this earlier but didn't see a response, so please chime in if you know...
Are customers in the step up program given any priority or an estimate of when their upgrade will come? For instance, if entering step up with an XC3 and upgrading to an FTW3, will you be placed at the ass end of the FTW3 queue? Is there a targeted timeframe of, say, sometime within 60 days? Asking because I've never gone through a step up, and it seems I'll be getting a notification for the XC3 well before my preferred FTW3 comes up. I know I'm not the only one in such a position, so any information regarding this would help a bunch of us decide whether to wait it out or go for the step up route.
I would say getting the step up route only makes sense if you don't pay sales taxes on the card. Also if you get the XC3 card, undervolting is a great way to squeeze out more a bit more performance out of it.
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icehotshot
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 04:32:01
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talon951
So the absolute best that can be hoped for is hitting 366w on this card. So it's at most limited 16 to a max of 36w below that? I can't see evga ever caring about that. What percentage loss in performance is that? 1-2% maybe?
Mine maxes out at 280w....lol seems like these are maxing out between that and 320w. And of course mine is bottom of the barrel @ 280w max. I wonder if a shunt mod can save the day?
post edited by icehotshot - 2021/07/22 04:33:14
5800x, 32gb b-die @ 3800 cl15, Gigabyte Aorus Pro Wifi, EVGA 1000 G3, RTX 3080 ti ftw3 ultra, RTX 3080 ti ftw3 ultra hybrid, RTX 3080 ti XC3, custom loop
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kram36
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 04:38:28
(permalink)
sentient12
kram36
talon951
So the absolute best that can be hoped for is hitting 366w on this card. So it's at most limited 16 to a max of 36w below that? I can't see evga ever caring about that. What percentage loss in performance is that? 1-2% maybe?
These cards don't even get close to 366w. Do you notice something odd when I apply an OC to the card with the power slider maxed?
Here is my 3080 Ti XC3 Hydro Copper power during 3DMark test.
Is that supposed to be rhetorical? The power use is lower if not.
What overclock did you apply? Did the scores go up when you applied the overclock?
The answers to your questions has already been answered. Maybe read the thread?
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kongfra
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 06:29:31
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Here are my results with 3d mark Time Spy Demo with a 3080TI XC3 https://www.3dmark.com/3dm/64077018 It says graphic score = 18,940 And here is my power from hwinfo not 100% sure what I should be looking at, but looks like it hit max 348 Watt but I could be looking at the wrong thing, and took this screenshot about 5-10 minutes after I ran 3dmark 
post edited by kongfra - 2021/07/22 06:34:28
3080 TI XC3, i9-10850K, Noctua NH-D15S, Gigabyte Z590 Aorus Elite, Crucial Ballistix 32 GB Ram DDR4-3200 CL16 , EVGA Supernova G6 1000W 80+ Gold, Windows 10 Pro, LG 27GP83B-B with Dual Dell S2716DG Monitor, 2 TB Crucial MX500 SSD, Phanteks Enthoo Pro Case
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Aruzedragon
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 09:41:45
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kongfra
Here are my results with 3d mark Time Spy Demo with a 3080TI XC3
https://www.3dmark.com/3dm/64077018
It says graphic score = 18,940
And here is my power from hwinfo not 100% sure what I should be looking at, but looks like it hit max 348 Watt but I could be looking at the wrong thing, and took this screenshot about 5-10 minutes after I ran 3dmark
Oh enjoy! Your card can pull pretty much the full 350 watts! Grats 😆
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KingEngineRevUp
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 09:53:05
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Did you guys ever see post from Overclock.net about the 3080 Ti series? - All 3080 Ti seemed to not be drawing the maximum power limits they're supposed to
- When it was researched by another user, they used external hardware to measure what their 3080 Ti FTW3 was actually drawing
- It turns out that the sensors didn't report the correct power being drawn, the clamp was drawing more
 https://www.overclock.net/threads/official-nvidia-rtx-3080-ti-owners-club.1791823/post-28835729 It very well can be that GPU-Z and software sensors are wrong at reading what actual power drawing your card has.
Attached Image(s)
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kram36
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 09:54:22
(permalink)
KingEngineRevUp
Did you guys ever see post from Overclock.net about the 3080 Ti series?
- All 3080 Ti seemed to not be drawing the maximum power limits they're supposed to
- When it was researched by another user, they used external hardware to measure what their 3080 Ti FTW3 was actually drawing
- It turns out that the sensors didn't report the correct power being drawn, the clamp was drawing more
https://www.overclock.net/threads/official-nvidia-rtx-3080-ti-owners-club.1791823/post-28835729
It very well can be that GPU-Z and software sensors are wrong at reading what actual power drawing your card has.
We are not talking about the FTW3 card. We are talking about the piece of crap XC3 cards EVGA sold us. FFS, read the damn thread before you post.
post edited by kram36 - 2021/07/22 09:56:05
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gsrcrxsi
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 10:02:49
(permalink)
KingEngineRevUp
Did you guys ever see post from Overclock.net about the 3080 Ti series?
- All 3080 Ti seemed to not be drawing the maximum power limits they're supposed to
- When it was researched by another user, they used external hardware to measure what their 3080 Ti FTW3 was actually drawing
- It turns out that the sensors didn't report the correct power being drawn, the clamp was drawing more
https://www.overclock.net/threads/official-nvidia-rtx-3080-ti-owners-club.1791823/post-28835729
It very well can be that GPU-Z and software sensors are wrong at reading what actual power drawing your card has.
I would be more inclined to believe that his reading are more in error, possibly due to a cheap clamp meter. or not using the actual voltage reading when calculating power.
Rig1: EPYC 7V12 | [7] Titan VRig2: EPYC 7B12 | [8] Titan VRig3: [2] EPYC 7742 | [8] Tesla V100 SXM2
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kongfra
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 10:10:29
(permalink)
Aruzedragon
Oh enjoy! Your card can pull pretty much the full 350 watts! Grats 😆
Thanks does that mean everyone posting in here has bad cards? and mine just works as it should and I got lucky? I guess I don't understand. Or is this a bad design flaw?
3080 TI XC3, i9-10850K, Noctua NH-D15S, Gigabyte Z590 Aorus Elite, Crucial Ballistix 32 GB Ram DDR4-3200 CL16 , EVGA Supernova G6 1000W 80+ Gold, Windows 10 Pro, LG 27GP83B-B with Dual Dell S2716DG Monitor, 2 TB Crucial MX500 SSD, Phanteks Enthoo Pro Case
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KingEngineRevUp
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 10:12:33
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kram36
KingEngineRevUp
Did you guys ever see post from Overclock.net about the 3080 Ti series?
- All 3080 Ti seemed to not be drawing the maximum power limits they're supposed to
- When it was researched by another user, they used external hardware to measure what their 3080 Ti FTW3 was actually drawing
- It turns out that the sensors didn't report the correct power being drawn, the clamp was drawing more
https://www.overclock.net/threads/official-nvidia-rtx-3080-ti-owners-club.1791823/post-28835729
It very well can be that GPU-Z and software sensors are wrong at reading what actual power drawing your card has.
We are not talking about the FTW3 card. We are talking about the piece of crap XC3 cards EVGA sold us. FFS, read the damn thread before you post.
That's my point, have any of you actually measured the amps using external hardware on your XC3? Reread my first bullet. Even the almighty Strix hovers around 400W in GPU-Z. Many other cards in that thread that have a TDP similar to the XC3 hover around 300W. Edit: Let me clarify that last part, all the cards don't seem to be reaching and sustaining their max TDP. A 385W max TDP with a stock 350W TDP Zotac Amp Holo 3080 Ti for some reason seems to hover around 350W https://www.overclock.net/threads/official-nvidia-rtx-3080-ti-owners-club.1791823/post-28836727 The Strix, Suprim X and FTW3 seems to hover around 400W, you would think they would all hover around their max TDP (450W, 440W, 450W) but they don't. There is definitely something odd going on with ALL of the 3080 Tis. My 3080 at stock, if I set my PL to be at 400W, it would hover around 390-400W, not 350W for example. End edit gsrcrxsi
KingEngineRevUp
I would be more inclined to believe that his reading are more in error, possibly due to a cheap clamp meter. or not using the actual voltage reading when calculating power.
I don't think so. I know him, he's an engineer. He's also on this forum, but if he wants to reveal himself, he's free to do so. I don't want to summon if if he prefers to keep his usernames anonymous from one another.
post edited by KingEngineRevUp - 2021/07/22 10:25:10
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kram36
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 10:21:36
(permalink)
KingEngineRevUp
kram36
KingEngineRevUp
Did you guys ever see post from Overclock.net about the 3080 Ti series?
- All 3080 Ti seemed to not be drawing the maximum power limits they're supposed to
- When it was researched by another user, they used external hardware to measure what their 3080 Ti FTW3 was actually drawing
- It turns out that the sensors didn't report the correct power being drawn, the clamp was drawing more
https://www.overclock.net/threads/official-nvidia-rtx-3080-ti-owners-club.1791823/post-28835729
It very well can be that GPU-Z and software sensors are wrong at reading what actual power drawing your card has.
We are not talking about the FTW3 card. We are talking about the piece of crap XC3 cards EVGA sold us. FFS, read the damn thread before you post.
That's my point, have any of you actually measured the amps using external hardware on your XC3? Reread my first bullet.
Even the almighty Strix hovers around 400W in GPU-Z. Many other cards in that thread that have a TDP similar to the XC3 hover around 300W.
gsrcrxsi
KingEngineRevUp
I would be more inclined to believe that his reading are more in error, possibly due to a cheap clamp meter. or not using the actual voltage reading when calculating power.
I don't think so. I know him, he's an engineer. He's also on this forum, but if he wants to reveal himself, he's free to do so. I don't want to summon if if he prefers to keep his usernames anonymous from one another.
Look at the damn clock speeds of these cards. They can't get enough power to even beat the 3080 Ti FE card. These cards are crap. EVGA should do a recall on them.
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gsrcrxsi
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 10:22:12
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KingEngineRevUp
gsrcrxsi
I would be more inclined to believe that his reading are more in error, possibly due to a cheap clamp meter. or not using the actual voltage reading when calculating power.
I don't think so. I know him, he's an engineer. He's also on this forum, but if he wants to reveal himself, he's free to do so. I don't want to summon if if he prefers to keep his usernames anonymous from one another.
being an "Engineer" doesn't make cheap measuring hardware more accurate. or mean you can't make incorrect assumptions or mistakes. something as simple as assuming 12.0V in the power measurement (clamp meters measure AMPS, not power, meaning you need to add voltage to calculate power) when it's really 11.7 can skew the power up higher than reality. I still trust the internal measurement more than any clamp meter, they're good for a general idea of amps, but not super accurate. I'm an engineer as well.
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KingEngineRevUp
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 10:27:18
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kram36
Look at the damn clock speeds of these cards. They can't get enough power to even beat the 3080 Ti FE card. These cards are crap. EVGA should do a recall on them.
I edited my post above. Lastly, I'm not trying to invalidate you or saying what you are saying is true. I'm saying, it's possible they are drawing 350W and still sucking ass as you claim. I'm just curious to see if any of you have any other means to measure the power draw without relying on GPU-Z or the GPU sensors, which might be wrong. gsrcrxsi
KingEngineRevUp
gsrcrxsi
I would be more inclined to believe that his reading are more in error, possibly due to a cheap clamp meter. or not using the actual voltage reading when calculating power.
I don't think so. I know him, he's an engineer. He's also on this forum, but if he wants to reveal himself, he's free to do so. I don't want to summon if if he prefers to keep his usernames anonymous from one another.
being an "Engineer" doesn't make cheap measuring hardware more accurate. or mean you can't make incorrect assumptions or mistakes. something as simple as assuming 12.0V in the power measurement (clamp meters measure AMPS, not power, meaning you need to add voltage to calculate power) when it's really 11.7 can skew the power up higher than reality. I still trust the internal measurement more than any clamp meter, they're good for a general idea of amps, but not super accurate.
I'm an engineer as well.
Well here's my problem with your post. I linked you to a thread where he goes in detail about his means and methods. You're free to read it and point out any errors in his methods. But you haven't. So I can't believe you over them until you do that. Also, look at Pin#2. The voltage would have to be way off for that to be true. How much of a tolerance do you think the amp reading was? If GPU-Z said it was 153W, Lets assume the voltage for a GPU is usually around 11.7-12, that means it was 13-12.75A being drawn approximately. Do you think his amp meter would be off by that much? By 2.8A-3.05A if he read 15.8A, that's 15%-23% off. I think it would be illegal to sell a clamp meter that is 20% off. Or do you think Pin 2 was running at 9.6V (15.8 * 9.6 = 153)? I highly doubt that the voltage dropped to 9.6V, that's unheard of in my book. So it's going to have to be a discussion around the error of his equipment. Can it really be 2.8A-3.05A off? -Also an engineer
post edited by KingEngineRevUp - 2021/07/22 10:40:38
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gsrcrxsi
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Re: 3080 Ti XC3 Ultra Hydro Copper, low power consumption, hidden power cap?
2021/07/22 10:49:17
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I've used clamp meters. and yes i did read that post, well before you linked it, last time it was suggested earlier in the thread. clamp meter readings fluctuate a good bit, was he dumping the telemetry and averaging the readings? doubtful since cheap clamp meters dont really have that ability. which means he was eyeballing the readings. you can't expect great precision from a $10 Home Depot clamp meter. also since he has one clamp meter, and measuring each plug individually, he can't know what the other plugs were doing, while measuing one. these are all just examples that show flaws in testing methodology. he also claims to have "verified with his UPS" but probably didnt take into account PSU efficiency, which will show higher power draw from the wall than what the component is using on the DC side. you're free to believe your friend. but a good engineer is always open to questioning their own results and process. My specific brand of engineering work for NASA focuses on trending, analysis, and designing and refining test cases.
post edited by gsrcrxsi - 2021/07/22 10:56:53
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