ShiftyJ
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Today I just got my 1080 ti SC2. I've started doing a bit of overclocking and have noticed the the power and memory temps are usually quite a bit higher the the gpu temps. Is this normal? If so are the power and memory temps just as important to keep low as the gpu temps, or can they operate at higher heat?
post edited by ShiftyJ - 2017/07/20 02:41:41
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huf757
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/20 07:14:22
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What are your temps? Including ambient
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bcavnaugh
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/20 10:02:04
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Welcome to the Forum ShiftyJ What Computer Case do you have? Post an photo of your Computer with the Side Cover off so we can see the layout in your Case.
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Cool GTX
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/20 10:24:39
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Yes those parts of the card produce a lot of heat
Cooler is better, however the GPU temp is king especially with Nvidia Boost 3.0
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CriticalHit_NL
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/20 15:06:44
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Yes, it is normal.
Also it depends on the sensor positions, some of them are on the backside of the GPU, meaning less airflow reaching them and thus are reported as hotter.
EVGA Precision fan curves will follow the hottest sensor of all three types (I suppose it's the same via bios), and the main window of Precision shows the hottest sensor of all three types.
About the exact limits I'm not too sure, though usually VRM's can handle a fair deal of heat.
My old Asus 780Ti had VRM temperature readings, almost max fan always around 90°C, or 100°C very stressed, but they were rated up to 125°C so it should be pretty fine for them.
But I'd rather keep the GPU/memory below 80, don't think both of them like temperatures beyond 90°C much, mine are usually below 70.
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ShiftyJ
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/20 16:15:42
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huf757
What are your temps? Including ambient
Ambient temps always under 40 with fans not spinning, so very good. During firestrike stress test when OC'd (haven't touched voltage) temps hit 60's at 60% fan speed with power and memory temps being high 60's. bcavnaugh
Welcome to the Forum
What Computer Case do you have?
Post an photo of your Computer with the Side Cover off so we can see the layout in your Case.
Case is NZXT S340 elite with Kraken X62 rad installed at the front, so airflow I think should be fine. CriticalHit_NL
Yes, it is normal.
Also it depends on the sensor positions, some of them are on the backside of the GPU, meaning less airflow reaching them and thus are reported as hotter.
EVGA Precision fan curves will follow the hottest sensor of all three types (I suppose it's the same via bios), and the main window of Precision shows the hottest sensor of all three types.
About the exact limits I'm not too sure, though usually VRM's can handle a fair deal of heat.
My old Asus 780Ti had VRM temperature readings, almost max fan always around 90°C, or 100°C very stressed, but they were rated up to 125°C so it should be pretty fine for them.
But I'd rather keep the GPU/memory below 80, don't think both of them like temperatures beyond 90°C much, mine are usually below 70.
So I can be a little bit more relaxed with the power fan curve? Or should I leave it the same as the gpu fan curve? Here is my fan curve.  Is it okay to increase the voltage to max when overclocking or is it not worth it due to heat and power consumption?
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ShiftyJ
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/21 02:17:04
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Can anybody give me an answer to this?
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Nec_V20
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/21 21:50:49
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ShiftyJ
huf757
What are your temps? Including ambient
Ambient temps always under 40 with fans not spinning, so very good. During firestrike stress test when OC'd (haven't touched voltage) temps hit 60's at 60% fan speed with power and memory temps being high 60's.
bcavnaugh
Welcome to the Forum
What Computer Case do you have?
Post an photo of your Computer with the Side Cover off so we can see the layout in your Case.
Case is NZXT S340 elite with Kraken X62 rad installed at the front, so airflow I think should be fine.
CriticalHit_NL
Yes, it is normal.
Also it depends on the sensor positions, some of them are on the backside of the GPU, meaning less airflow reaching them and thus are reported as hotter.
EVGA Precision fan curves will follow the hottest sensor of all three types (I suppose it's the same via bios), and the main window of Precision shows the hottest sensor of all three types.
About the exact limits I'm not too sure, though usually VRM's can handle a fair deal of heat.
My old Asus 780Ti had VRM temperature readings, almost max fan always around 90°C, or 100°C very stressed, but they were rated up to 125°C so it should be pretty fine for them.
But I'd rather keep the GPU/memory below 80, don't think both of them like temperatures beyond 90°C much, mine are usually below 70.
So I can be a little bit more relaxed with the power fan curve? Or should I leave it the same as the gpu fan curve?
Here is my fan curve.
Is it okay to increase the voltage to max when overclocking or is it not worth it due to heat and power consumption?
I have the same graphics card as you, and I have set the first setting to 25% fan speed and 30 degrees temperature. Like you I made the fan control for the GPU equal to the fan control for the power. I would be interested in your reason for doing so and if it parallels mine. Then I have it gently ramping up to 40% fan speed for 50 degrees temp. My reasoning behind this is that I don't want the temps to shoot up suddenly as in your case to 40 and beyond degrees if I start a game before the fans start trying to do their stuff. I like to have my fans be on par with the amount of heat being produced and not have them trying to play catchup after the heat is suddenly being dumped into the cooler. As for "overclocking", the only thing I have done is to raise the power and temp targets to the maximum. The reason for this is that as the card approaches any limit set is that boost will cut back, which is why I moved it away from the standard value. As with everything, I try to stay away from overclocking as in overvolting unless I need it.
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bcavnaugh
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/21 21:58:02
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So far my max temperature is 62C with OC +60 GPU +0 Memory
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ShiftyJ
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/21 22:09:03
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bcavnaugh
So far my max temperature is 62C with OC +60 GPU +0 Memory
My OC is +75 GPU +300 Memory. Temps are max 70c with fan at 70%, its a bit loud though.
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Goobers
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/22 14:00:49
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ShiftyJ, are you confusing ambient with card temps? Ambient is usually measuring room temperature, or sometimes case temperature.
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bcavnaugh
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/22 16:16:39
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ShiftyJ
bcavnaugh
So far my max temperature is 62C with OC +60 GPU +0 Memory
My OC is +75 GPU +300 Memory. Temps are max 70c with fan at 70%, its a bit loud though.
Hybrid Cooler is now Installed and Max Temperature 47C 
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ShiftyJ
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/22 16:47:59
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Goobers
ShiftyJ, are you confusing ambient with card temps? Ambient is usually measuring room temperature, or sometimes case temperature.
Temps are from precision x. Even on stock settings my power and memory temps are high reaching 70c, I don't think this is meant to be after seeing some other peoples temps with this card. Going to message evga support.
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Nec_V20
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/22 20:45:13
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ShiftyJ
Goobers
ShiftyJ, are you confusing ambient with card temps? Ambient is usually measuring room temperature, or sometimes case temperature.
Temps are from precision x. Even on stock settings my power and memory temps are high reaching 70c, I don't think this is meant to be after seeing some other peoples temps with this card. Going to message evga support.
I had a look at the case https://www.youtube.com/watch?v=FRqRc64yqM8 and no matter how often you RMA the card, your temps are not going to get better - end of story. There is naff-all ventilation in the case. Quite literally the hot air from the graphics card fans has nowhere to go except to get recycled into the graphics card again. You haven't said whether you have the Kraken set up to pull air in from the front or to push air out of the case. If it is set up to push air out of the case that also is going to be a bit of a problem because the air really doesn't have much of anywhere to go due to the very limited ventilation offered by the front panel and your CPU temps will get really toasty as the radiator gets heat saturated, so you don't really have much of a choice other than to have you radiator smashing warm air into the case. There is no fan in the case which is actually drawing any warm air away from the business end of the graphics card. The two exhaust fans are one 120/140 in the top and one 120 at the top of the back of the case. Just look in through the side panel and you can see that you effectively have your graphics card in a hot box. If you are going to overclock then you have no choice other than to get yourself a new case or live with the high temperatures. I ran the benchmark Unigine Superposition and the results I got after the THIRD runthrough at 4K Optimised was: Shaders 4K Optimised Textures High DOP Enabled Motion blur Enabled FPS min 52.44 average 59.87 max 64.62 GPU temp min 44.0 max 62 GPU Utilization Max 99% I was keeping an eye on the GPU clock counter and the maximum it reached was 1970 MHz. I have no overclock on the card aside from moving the Power Target and the Temp Target to maximum. So I still have headroom for more performance I ran the benchmark again this time GPU Clock Offset of +60 and the maximum temperature after the third runthrough was still at 62 degrees I then ran Unigine Valley for about 10 minutes with the resolution set to 4K (3840*2160) Quality Ultra and Anti-aliasing at 8X and the maximum temp the GPU reached was 67 degrees. If I had your fan profile then my temperatures would be cooler. The reason why my card doesn't get hotter is because the hot air produced by the card has somewhere to go and is being exhausted by the 200mm fan I have in the top of the case.
post edited by Nec_V20 - 2017/07/22 20:50:31
PSU: Seasonic Prime Titanium 650 Watt, Case: Phanteks EVOLV X, Mobo: GigaByte X570 AURUS Master, CPU: Ryzen 9 5950X, GPU: Powecolor Red Devil 6900XT, RAM: 32GB (2 x 16GB) Team Group CL16, Cooler: Arctic Liquid Freezer II 360, Boot-drive: Team Group 1TB M.2, Fans: 7 x Phanteks T30 120mm, HD: 5*WD 14TB, 2*WD Blue 2TB M.2 SSD (Games), Keyboard: DasKeyboard 4 MX-Blue, Mouse: Logitech G903, Monitor: ASUS PB287Q (2160p 60 Hz); LG 32GK850F-B (1440p 144 Hz)
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ShiftyJ
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/22 21:07:40
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Nec_V20
ShiftyJ
Goobers
ShiftyJ, are you confusing ambient with card temps? Ambient is usually measuring room temperature, or sometimes case temperature.
Temps are from precision x. Even on stock settings my power and memory temps are high reaching 70c, I don't think this is meant to be after seeing some other peoples temps with this card. Going to message evga support.
I had a look at the case and no matter how often you RMA the card, your temps are not going to get better - end of story.
There is naff-all ventilation in the case. Quite literally the hot air from the graphics card fans has nowhere to go except to get recycled into the graphics card again.
You haven't said whether you have the Kraken set up to pull air in from the front or to push air out of the case. If it is set up to push air out of the case that also is going to be a bit of a problem because the air really doesn't have much of anywhere to go due to the very limited ventilation offered by the front panel and your CPU temps will get really toasty as the radiator gets heat saturated, so you don't really have much of a choice other than to have you radiator smashing warm air into the case.
There is no fan in the case which is actually drawing any warm air away from the business end of the graphics card. The two exhaust fans are one 120/140 in the top and one 120 at the top of the back of the case.
Just look in through the side panel and you can see that you effectively have your graphics card in a hot box.
If you are going to overclock then you have no choice other than to get yourself a new case or live with the high temperatures.
I ran the benchmark Unigine Superposition and the results I got after the THIRD runthrough at 4K Optimised was:
Shaders 4K Optimised
Textures High
DOP Enabled
Motion blur Enabled
FPS min 52.44 average 59.87 max 64.62
GPU temp min 44.0 max 62
GPU Utilization Max 99%
I was keeping an eye on the GPU clock counter and the maximum it reached was 1970 MHz.
I have no overclock on the card aside from moving the Power Target and the Temp Target to maximum. So I still have headroom for more performance
I ran the benchmark again this time GPU Clock Offset of +60 and the maximum temperature after the third runthrough was still at 62 degrees
I then ran Unigine Valley for about 10 minutes with the resolution set to 4K (3840*2160) Quality Ultra and Anti-aliasing at 8X and the maximum temp the GPU reached was 67 degrees. If I had your fan profile then my temperatures would be cooler.
The reason why my card doesn't get hotter is because the hot air produced by the card has somewhere to go and is being exhausted by the 200mm fan I have in the top of the case.
My front fans are intake. How can I make my two case fans speed up when my gpu is under load?
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Goobers
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/22 21:11:13
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I'm talking about this... ShiftyJ
huf757
What are your temps? Including ambient
Ambient temps always under 40 with fans not spinning, so very good. During firestrike stress test when OC'd (haven't touched voltage) temps hit 60's at 60% fan speed with power and memory temps being high 60's. The temps you are giving (and getting from Precision X) is not ambient temperatures... those are card temps. Ambient temps is the actual temperature in your room. How hot YOU feel. And whether your temps are normal isn't necessarily the same as others. Its pretty hard to find someone with the exact same setup as yours. Ranging from a slightly different fan model, to fan positioning, to component parts and different case will change conditions too much to be used as reference. if you don't want power and memory to hit 70c... up the fan curve. So long as you aren't already at full speed (or unbearable noise level) there's room for adjustment. That said... is 70c bad? As another member posted on a different topic. It should be well within the operating temp spec (as most have high limits, some as high as 125c), but as always cooler is better in the long run. ShiftyJMy front fans are intake. How can I make my two case fans speed up when my gpu is under load? Run a splitter from the GPU fan headers (requires disassembly of card shroud and possibly warranty voiding). Or Use 3rd party software... something like Speedfan.
post edited by Goobers - 2017/07/22 21:13:48
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arestavo
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/22 21:17:55
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70C for the VRMs and for the VRAM is 100% acceptable. The VRAM has a max temp of 90 to 100C (can't remember the exact number) and the VRMs will throttle at ~110C and shut down at ~120 to 125C.
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ShiftyJ
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/22 21:22:51
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Goobers
I'm talking about this... ShiftyJ
huf757
What are your temps? Including ambient
Ambient temps always under 40 with fans not spinning, so very good. During firestrike stress test when OC'd (haven't touched voltage) temps hit 60's at 60% fan speed with power and memory temps being high 60's.
The temps you are giving (and getting from Precision X) is not ambient temperatures... those are card temps. Ambient temps is the actual temperature in your room. How hot YOU feel.
And whether your temps are normal isn't necessarily the same as others. Its pretty hard to find someone with the exact same setup as yours. Ranging from a slightly different fan model, to fan positioning, to component parts and different case will change conditions too much to be used as reference.
if you don't want power and memory to hit 70c... up the fan curve. So long as you aren't already at full speed (or unbearable noise level) there's room for adjustment.
That said... is 70c bad? As another member posted on a different topic. It should be well within the operating temp spec (as most have high limits, some as high as 125c), but as always cooler is better in the long run.
ShiftyJMy front fans are intake. How can I make my two case fans speed up when my gpu is under load?
Run a splitter from the GPU fan headers (requires disassembly of card shroud and possibly warranty voiding).
Or
Use 3rd party software... something like Speedfan.
Should I just buy new 140mm case fans and run them at max?
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Nec_V20
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Re: EVGA GTX 1080 ti SC2 Temps question
2017/07/22 21:26:30
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ShiftyJ
Nec_V20
ShiftyJ
Goobers
ShiftyJ, are you confusing ambient with card temps? Ambient is usually measuring room temperature, or sometimes case temperature.
Temps are from precision x. Even on stock settings my power and memory temps are high reaching 70c, I don't think this is meant to be after seeing some other peoples temps with this card. Going to message evga support.
I had a look at the case and no matter how often you RMA the card, your temps are not going to get better - end of story.
There is naff-all ventilation in the case. Quite literally the hot air from the graphics card fans has nowhere to go except to get recycled into the graphics card again.
You haven't said whether you have the Kraken set up to pull air in from the front or to push air out of the case. If it is set up to push air out of the case that also is going to be a bit of a problem because the air really doesn't have much of anywhere to go due to the very limited ventilation offered by the front panel and your CPU temps will get really toasty as the radiator gets heat saturated, so you don't really have much of a choice other than to have you radiator smashing warm air into the case.
There is no fan in the case which is actually drawing any warm air away from the business end of the graphics card. The two exhaust fans are one 120/140 in the top and one 120 at the top of the back of the case.
Just look in through the side panel and you can see that you effectively have your graphics card in a hot box.
If you are going to overclock then you have no choice other than to get yourself a new case or live with the high temperatures.
I ran the benchmark Unigine Superposition and the results I got after the THIRD runthrough at 4K Optimised was:
Shaders 4K Optimised
Textures High
DOP Enabled
Motion blur Enabled
FPS min 52.44 average 59.87 max 64.62
GPU temp min 44.0 max 62
GPU Utilization Max 99%
I was keeping an eye on the GPU clock counter and the maximum it reached was 1970 MHz.
I have no overclock on the card aside from moving the Power Target and the Temp Target to maximum. So I still have headroom for more performance
I ran the benchmark again this time GPU Clock Offset of +60 and the maximum temperature after the third runthrough was still at 62 degrees
I then ran Unigine Valley for about 10 minutes with the resolution set to 4K (3840*2160) Quality Ultra and Anti-aliasing at 8X and the maximum temp the GPU reached was 67 degrees. If I had your fan profile then my temperatures would be cooler.
The reason why my card doesn't get hotter is because the hot air produced by the card has somewhere to go and is being exhausted by the 200mm fan I have in the top of the case.
My front fans are intake. How can I make my two case fans speed up when my gpu is under load?
The only thing I can think of is that you remove all the PCI slot covers from the back of your case and replace them with slot covers which have mesh for ventilation for instance from Gelid which you could find by just googling "Gelid PCI slot cover". You would be able to draw in a bit more cool air by the GPU fan. And the air blown in by the bottom fan of your radiator would have somewhere to go after blowing across the GPU. That's about the only thing I could think of which didn't involve modding the case itself. But at the end of the day the case is just not built for overclocking graphics cards. It's a nice case to look at and from what I have seen it is also a nice case to work in, it just isn't really any good at getting rid of heat from your GPU. The thing is that your case fans are at the top of the case, one blowing out the back and one blowing out the top of your case. Even if you maxed those fans out it wouldn't effect the graphics card. Strange as it may sound, you might have more joy if you reduced the speed of your exhaust fans so that the air blown in by the fans on your Kraken produce an overpressure and that, if you replaced the PCI slot covers with mesh ones would get rid of some of the hot air from the GPU. The GPU fans are blowing against your graphics card and the air doesn't have anywhere to go except be sucked in again by your GPU fans.
post edited by Nec_V20 - 2017/07/22 21:37:30
PSU: Seasonic Prime Titanium 650 Watt, Case: Phanteks EVOLV X, Mobo: GigaByte X570 AURUS Master, CPU: Ryzen 9 5950X, GPU: Powecolor Red Devil 6900XT, RAM: 32GB (2 x 16GB) Team Group CL16, Cooler: Arctic Liquid Freezer II 360, Boot-drive: Team Group 1TB M.2, Fans: 7 x Phanteks T30 120mm, HD: 5*WD 14TB, 2*WD Blue 2TB M.2 SSD (Games), Keyboard: DasKeyboard 4 MX-Blue, Mouse: Logitech G903, Monitor: ASUS PB287Q (2160p 60 Hz); LG 32GK850F-B (1440p 144 Hz)
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