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My GTX 1080's in SLI - Benchmarks and Impressions

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racechris
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Re: My GTX 1080's in SLI 2016/06/15 20:52:14 (permalink)
hallowen
Finally got everything together for a few runs and Made #10 position in the Fire Strike HOF.
 

 



Wow. 4.875 on your 5960x. That's insane. What kind of volts do you need for this?
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Signal64
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Re: My GTX 1080's in SLI 2016/06/15 22:23:18 (permalink)
Are you all running dual SLI Ribbons on the 1080's ?
Made a difference for me:  http://forums.evga.com/FindPost/2489908
 
bcavnaugh
I think that all the members that have posted here should run a Base Line on their GTX 1080 cards with Stock Settings NO OVERCLOCKING AT ALL and post their Link and scores. 

Also their SLI bridge config. Single, dual, 3way/4way bridge, SLI HB (when those come out)
I'll redo my tests and update that original post above with links this time.
 
And those >4 core 3dmark scores have me jealous but sticking with this 6700k for now.
post edited by Signal64 - 2016/06/15 22:31:25
#152
johnksss
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Re: My GTX 1080's in SLI 2016/06/15 22:34:45 (permalink)
I'm using my R5E 3 way SLI bridge.

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#153
hallowen
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Re: My GTX 1080's in SLI 2016/06/16 04:42:37 (permalink)
racechris
hallowen
Finally got everything together for a few runs and Made #10 position in the Fire Strike HOF.
 
 
 



Wow. 4.875 on your 5960x. That's insane. What kind of volts do you need for this?


With this run, 1.401 Vcore.



ASUS: Rampage VI Extreme | i9-7940X | 2X RTX 2080 Ti Kingpin SLI | 32GB DDR4 3200MHz Memory - SAGER: NP9870-G | i7-6700K | GTX 980M 8GB | 64GB DDR4 | 950 PRO M.2 512GB | 17.3 QHD 120Hz Matte G-Sync | Prema bios - EVOC Premamod:  P870TM1 | i9-9900K-LM | RTX 2080N 8GB | Modded Vapor Chamber | 32GB 3000MHz Ripjaws | 960 EVO M.2 1TB | 17.3 3K QHD 120Hz Matte G-Sync | Intel 8265 -
 
 
#154
hallowen
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Re: My GTX 1080's in SLI 2016/06/16 04:45:52 (permalink)
Signal64
Are you all running dual SLI Ribbons on the 1080's ?
Made a difference for me:  http://forums.evga.com/FindPost/2489908
 
bcavnaugh
I think that all the members that have posted here should run a Base Line on their GTX 1080 cards with Stock Settings NO OVERCLOCKING AT ALL and post their Link and scores. 

Also their SLI bridge config. Single, dual, 3way/4way bridge, SLI HB (when those come out)
I'll redo my tests and update that original post above with links this time.
 
And those >4 core 3dmark scores have me jealous but sticking with this 6700k for now.




I'm just using a single ribbon bridge ATM, But still experimenting with other types.

ASUS: Rampage VI Extreme | i9-7940X | 2X RTX 2080 Ti Kingpin SLI | 32GB DDR4 3200MHz Memory - SAGER: NP9870-G | i7-6700K | GTX 980M 8GB | 64GB DDR4 | 950 PRO M.2 512GB | 17.3 QHD 120Hz Matte G-Sync | Prema bios - EVOC Premamod:  P870TM1 | i9-9900K-LM | RTX 2080N 8GB | Modded Vapor Chamber | 32GB 3000MHz Ripjaws | 960 EVO M.2 1TB | 17.3 3K QHD 120Hz Matte G-Sync | Intel 8265 -
 
 
#155
mpoffo
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Re: My GTX 1080's in SLI 2016/06/16 07:39:53 (permalink)
hallowen
Finally got everything together for a few runs and Made #10 position in the Fire Strike HOF.
 
http://www.3dmark.com/fs/8820024
 



  Very nice!

X299 System:
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#156
hallowen
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Re: My GTX 1080's in SLI 2016/06/16 07:57:01 (permalink)
mpoffo
hallowen
Finally got everything together for a few runs and Made #10 position in the Fire Strike HOF.
 
http://www.3dmark.com/fs/8820024
 



  Very nice!




Thanks mpoffo, These are only a few tests since I just started yesterday.

ASUS: Rampage VI Extreme | i9-7940X | 2X RTX 2080 Ti Kingpin SLI | 32GB DDR4 3200MHz Memory - SAGER: NP9870-G | i7-6700K | GTX 980M 8GB | 64GB DDR4 | 950 PRO M.2 512GB | 17.3 QHD 120Hz Matte G-Sync | Prema bios - EVOC Premamod:  P870TM1 | i9-9900K-LM | RTX 2080N 8GB | Modded Vapor Chamber | 32GB 3000MHz Ripjaws | 960 EVO M.2 1TB | 17.3 3K QHD 120Hz Matte G-Sync | Intel 8265 -
 
 
#157
Signal64
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Re: My GTX 1080's in SLI 2016/06/17 20:08:44 (permalink)
Ordered the Nvidia SLI HB bridge which went on sale today. I think if EVGA releases their flavor next week it will probably show up sooner.
#158
mpoffo
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Re: My GTX 1080's in SLI 2016/06/17 20:13:21 (permalink)
Yeah tempted to buy the nvidia one but probably will hold out for EVGA.

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Signal64
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Re: My GTX 1080's in SLI 2016/06/21 21:59:14 (permalink)
I've been monitoring the nvidia and evga sites for days. Of course the day I don't evga goes on sale and I miss out on the one I need.
Oh well. Nothing arriving until Friday at the earliest.
 
Of course jealous other folks are getting theirs now when I have to wait, but initial reports don't look promising.
I had hoped that my highest scores with a single 2-way LED bridge (but unstable) had a hint of what could be possible.
 
post edited by Signal64 - 2016/06/21 22:02:31
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iJNCO
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Re: My GTX 1080's in SLI 2016/06/21 22:24:39 (permalink)
Signal64
I've been monitoring the nvidia and evga sites for days. Of course the day I don't evga goes on sale and I miss out on the one I need.
Oh well. Nothing arriving until Friday at the earliest.
 
Of course jealous other folks are getting theirs now when I have to wait, but initial reports don't look promising.
I had hoped that my highest scores with a single 2-way LED bridge (but unstable) had a hint of what could be possible.
 




I got my EVGA HB SLI bridge today and did not best my dual "soft" SLI bridge.  I think the whole thing is marketing.  Do I regret the purchase? No, it looks better then two soft bridges.  Was it REVOLUTIONARY? no.... Marketing.  
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mpoffo
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Re: My GTX 1080's in SLI 2016/06/22 08:58:59 (permalink)
iJNCO
Signal64
I've been monitoring the nvidia and evga sites for days. Of course the day I don't evga goes on sale and I miss out on the one I need.
Oh well. Nothing arriving until Friday at the earliest.
 
Of course jealous other folks are getting theirs now when I have to wait, but initial reports don't look promising.
I had hoped that my highest scores with a single 2-way LED bridge (but unstable) had a hint of what could be possible.
 




I got my EVGA HB SLI bridge today and did not best my dual "soft" SLI bridge.  I think the whole thing is marketing.  Do I regret the purchase? No, it looks better then two soft bridges.  Was it REVOLUTIONARY? no.... Marketing.  


I feel the same.  I have a surround set-up and plan to stick with it even if I upgrade my monitors.  I like the look of it and the fact that I can switch the colors easily.  Do I need to have it no, I suppose I could live without it but I wanted it.  :)

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demo23019
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Re: My GTX 1080's in SLI 2016/06/24 07:05:39 (permalink)
Just an update i got my HB SLI bridge
 
Graphic score
 
before single bridge
stock 38k
2Ghz 40k
 
After HB Bridge
stock 41k
2Ghz 44k
 
 
 
http://www.3dmark.com/3dm/12661311
 
edit
 
Ignore nothing changed my score was lower because i didn't disable gsync I only disabled vsync
 
 
post edited by demo23019 - 2016/06/24 12:30:50
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arestavo
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Re: My GTX 1080's in SLI 2016/06/24 09:06:12 (permalink)
demo23019
Just an update i got my HB SLI bridge
 
Graphic score
 
before single bridge
stock 38k
2Ghz 40k
 
After HB Bridge
stock 41k
2Ghz 44k
 
 
 
http://www.3dmark.com/3dm/12661311
 
 




Different drivers? I ask because there was an updated driver set that I read really increased Firestrike scores.
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hallowen
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Re: My GTX 1080's in SLI 2016/06/24 09:53:20 (permalink)
arestavo
demo23019
Just an update i got my HB SLI bridge
 
Graphic score
 
before single bridge
stock 38k
2Ghz 40k
 
After HB Bridge
stock 41k
2Ghz 44k
 
 
 
http://www.3dmark.com/3dm/12661311
 
 




Different drivers? I ask because there was an updated driver set that I read really increased Firestrike scores.




That Score was with the Hotfix 368.51 GeForce drivers, which is why it was an invalid score.
Try it again with the Futuremark 368.39 approved drivers.

ASUS: Rampage VI Extreme | i9-7940X | 2X RTX 2080 Ti Kingpin SLI | 32GB DDR4 3200MHz Memory - SAGER: NP9870-G | i7-6700K | GTX 980M 8GB | 64GB DDR4 | 950 PRO M.2 512GB | 17.3 QHD 120Hz Matte G-Sync | Prema bios - EVOC Premamod:  P870TM1 | i9-9900K-LM | RTX 2080N 8GB | Modded Vapor Chamber | 32GB 3000MHz Ripjaws | 960 EVO M.2 1TB | 17.3 3K QHD 120Hz Matte G-Sync | Intel 8265 -
 
 
#165
johnksss
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Re: My GTX 1080's in SLI 2016/06/24 10:00:44 (permalink)
Single Flex Cable....
http://www.3dmark.com/fs/8932712

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demo23019
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Re: My GTX 1080's in SLI 2016/06/24 12:22:55 (permalink)
hallowen
arestavo
demo23019
Just an update i got my HB SLI bridge
 
Graphic score
 
before single bridge
stock 38k
2Ghz 40k
 
After HB Bridge
stock 41k
2Ghz 44k
 
 
 
http://www.3dmark.com/3dm/12661311
 
 




Different drivers? I ask because there was an updated driver set that I read really increased Firestrike scores.




That Score was with the Hotfix 368.51 GeForce drivers, which is why it was an invalid score.
Try it again with the Futuremark 368.39 approved drivers.


Nothing changed performance wise it was  hotfix for screen flicker that i had.
 
Anyways ignore my before score i forgot to turn off gsync i only turned off vsync.
post edited by demo23019 - 2016/06/24 12:29:39
#167
Signal64
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Re: My GTX 1080's in SLI 2016/06/25 00:36:00 (permalink)
So it's late and probably doing something stupid.
Whenever I load up Afterburner or Percision X and use the defaults my 3dmark scores go down significantly compared to not using them.
I'm racking my brain as that is the way I had done my initial stock FE scores.
I've cleared out any profiles and reinstalled and not sure why there is a hit on gpu.
 
No OC software loaded: http://www.3dmark.com/3dm/12680374
With OC software loaded: http://www.3dmark.com/3dm/12681309
 
GPU barely hits 100% on the second one and bounces around between 69-89%.  First one is flat line at 100%
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rla1999
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Re: My GTX 1080's in SLI 2016/06/25 05:51:59 (permalink)
mpoffo
If anyone wants to see other benchmarks then please let me know.




If you have these games, could you run some benchmarks on them? Crysis 3, COD BO 3, Battlefield 4, Fallout 4, Skyrim?

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jeppouza
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Re: My GTX 1080's in SLI 2016/06/25 06:15:22 (permalink)
Dual Flex cable (10cm each):
 
FS Ultra: http://www.3dmark.com/fs/8919758
 
FS Extreme: http://www.3dmark.com/fs/8919698
 
FS 1080p around 30k...but I don't play in this resolution, so I don't really care for full HD since it is a lot more CPU bound, a lot more than the others resolutions.
 
Cheers
post edited by jeppouza - 2016/06/25 06:17:46
#170
silentoption
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Re: My GTX 1080's in SLI 2016/06/26 16:22:42 (permalink)
I wonder how much would a 1080 in SLI would be like if uses HB Bridge?

Case: Thermaltake Core X71 Full Case
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jeppouza
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Re: My GTX 1080's in SLI 2016/06/26 16:36:24 (permalink)
silentoption
I wonder how much would a 1080 in SLI would be like if uses HB Bridge?




It would have the same results as two flex bridges...
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arestavo
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Re: My GTX 1080's in SLI 2016/06/26 17:43:33 (permalink)
silentoption
I wonder how much would a 1080 in SLI would be like if uses HB Bridge?


jeppouza
silentoption
I wonder how much would a 1080 in SLI would be like if uses HB Bridge?




It would have the same results as two flex bridges...



Yeap - the HB bridge only helps with latency for 4K+ resolutions, and can be seen with the professional tool FCAT.
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Signal64
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Re: My GTX 1080's in SLI 2016/06/27 12:36:39 (permalink)
Ha, well I "think" I figured out my variance in scores.
Over the past few days I've since reloaded my system from scratch and just finished another battery of 3dMark tests (over 100).
If someone wants to help confirm these tests and prove my insanity, please do.
 
Bottom line, it looks like OC software (Afterburner, Precision X) is affecting high bandwidth with SLI HB.
It doesn't start to become noticeable in 3dMark until you start running Fire Strike Extreme and very obvious in Ultra.
I started testing other benchmarks such as UNiGiNE's Heaven and do see the hit in performance but don't have enough scores yet to show the variance.
 
Cards: x2 EVGA GTX1080 Founders Edition
All 3dMark scores are Graphics only with Graphics Test 1,2
Demo, Physics, Combined disabled.
All tests ran 6 times throwing out the lowest score and averaged.
Tested without/with OC Software, Single Card, Single Bridge, Nvidia SLI HB Bridge
OC Software: Precision X 6.0.1, Afterburner 4.30beta4
 
Fire Strike
Single Card/SLI Disabled: 21673 (+/- 29)
Single SLI Bridge: 34964 (+/- 55)
SLI HB - No OC Software: 39336 (+/- 110)
SLI HB - OC Software: 39249 (+/- 95)
 
Fire Strike Extreme
Single Card/SLI Disabled: 10259 (+/- 20)
Single SLI Bridge: 18321 (+/- 32)
SLI HB - No OC Software: 19249 (+/- 70)
SLI HB - OC Software: 18962 (+/- 80)
 
Fire Strike Ultra
Single Card/SLI Disabled: 5104 (+/- 11)
Single SLI Bridge: 9415 (+/- 23)
SLI HB - No OC Software: 9564 (+/- 33)
SLI HB - OC Software: 9282 (+/- 36)
 
Observations:
1. Ultra scores are consistently worse with OC Software loaded at defaults than a single SLI Bridge.
2. No change with/without OC software loaded with single card/SLI disabled.
3. No change with/without OC software loaded with single bridge.
4. In each test run per configuration the variance is less than 1%.
5. Able to reproduce these scores and variances over a few days now and they are still less than 1% per configuration.
6. Rebooting -or- Exiting the OC software, disable SLI, enable SLI consistently gets me back into the "without OC Software" scores.
7. I tested my dual flex bridge config again and as everyone else is reporting, no difference with the Nvidia SLI HB bridge.
8. Same results with 368.25 or 368.39 drivers.
 
If the OC software is setting different defaults than a stock card settings I'd think it would show up in the single card or single bridge tests.
My concern is with SLI HB if we can't even get default settings in OC software to benchmark the same as stock card settings isn't that affecting our overall OC benchmarks?
 
Update: If you want to try to test this yourself use Precision X.  While Afterburner is showing a hit in scores Precision X has been worse and more obvious.
 
post edited by Signal64 - 2016/06/30 12:34:48
#174
jeppouza
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Re: My GTX 1080's in SLI 2016/06/27 13:22:08 (permalink)
Signal64
Ha, well I "think" I figured out my variance in scores.
Over the past few days I've since reloaded my system from scratch and just finished another battery of 3dMark tests (over 100).
If someone wants to help confirm these tests and prove my insanity, please do.
 
Bottom line, it looks like OC software (Afterburner, Precision X) is affecting high bandwidth with SLI HB.
It doesn't start to become noticeable in 3dMark until you start running Fire Strike Extreme and very obvious in Ultra.
I started testing other benchmarks such as UNiGiNE's Heaven and do see the hit in performance but don't have enough scores yet to show the variance.
 
Cards: x2 EVGA GTX1080 Founders Edition
All 3dMark scores are GPU only with Graphics Test 1,2
Demo, Physics, Combined disabled.
All tests ran 6 times throwing out the lowest score.
Tested without/with OC Software, Single Card, Single Bridge, Nvidia SLI HB Bridge
OC Software: Precision X 6.0.1, Afterburner 4.30beta4
 
Fire Strike
Single Card/SLI Disabled: 21673 (+/- 29)
Single SLI Bridge: 34964 (+/- 55)
SLI HB - No OC Software: 39336 (+/- 110)
SLI HB - OC Software: 39249 (+/- 95)
 
Fire Strike Extreme
Single Card/SLI Disabled: 10259 (+/- 20)
Single SLI Bridge: 18321 (+/- 32)
SLI HB - No OC Software: 19249 (+/- 70)
SLI HB - OC Software: 18962 (+/- 80)
 
Fire Strike Ultra
Single Card/SLI Disabled: 5104 (+/- 11)
Single SLI Bridge: 9415 (+/- 23)
SLI HB - No OC Software: 9564 (+/- 33)
SLI HB - OC Software: 9282 (+/- 36)
 
Observations:
1. Ultra scores are consistently worse with OC Software loaded at defaults than a single SLI Bridge.
2. No change with/without OC software loaded with single card/SLI disabled.
3. No change with/without OC software loaded with single bridge.
4. In each test run per configuration the variance is less than 1%.
5. Able to reproduce these scores and variances over a few days now and they are still less than 1% per configuration.
6. Rebooting -or- Exiting the OC software, disable SLI, enable SLI consistently gets me back into the "without OC Software" scores.
7. I tested my dual flex bridge config again and as everyone else is reporting, no difference with the Nvidia SLI HB bridge.
8. Same results with 368.25 or 368.38 drivers.
 
If the OC software is setting different defaults than a stock card settings I'd think it would show up in the single card or bridge tests.
My concern is with SLI HB if we can't even get default settings in OC software to benchmark the same as stock card settings isn't that affecting our overall OC benchmarks?
 


 
Nice testing.
 
Considering your FS and FS Extreme results, your FS Ultra results are oddly low.
 
What's your CPU? Broadwell-E? 39k in FS 1080p, is that right? Could you send us the result link for this one?
 
Cheers
#175
Signal64
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Re: My GTX 1080's in SLI 2016/06/27 15:02:03 (permalink)
jeppouza
Nice testing.
Considering your FS and FS Extreme results, your FS Ultra results are oddly low.
What's your CPU? Broadwell-E? 39k in FS 1080p, is that right? Could you send us the result link for this one?
Cheers


Hey there, these are Graphics Scores only. I'm only concentrating on the GPU performance so they don't include the CPU benchmarks.
Using the Graphics Score is also a better way to compare card performance between systems for an issue like I'm seeing.
I also skipped the Physics and Combined (both CPU related) to speed up the testing.
 
When you skip any of the tests they can't be posted but an example would be this:
http://www.3dmark.com/3dm/12747891
 
I'm looking at this score:

post edited by Signal64 - 2016/06/27 15:05:55
#176
jeppouza
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Re: My GTX 1080's in SLI 2016/06/27 15:11:46 (permalink)
Signal64
jeppouza
Nice testing.
Considering your FS and FS Extreme results, your FS Ultra results are oddly low.
What's your CPU? Broadwell-E? 39k in FS 1080p, is that right? Could you send us the result link for this one?
Cheers


Hey there, these are Graphics Scores only. I'm only concentrating on the GPU performance so they don't include the CPU benchmarks.
Using the Graphics Score is also a better way to compare card performance between systems for an issue like I'm seeing.
I also skipped the Physics and Combined (both CPU related) to speed up the testing.
 
When you skip any of the tests they can't be posted but an example would be this:
http://www.3dmark.com/3dm/12747891
 
I'm looking at this score:





Oops, sorry for the misunderstanding
 
Now I see you are considering just the Graphics score.
 
Cheers
#177
Signal64
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Re: My GTX 1080's in SLI 2016/06/27 17:13:47 (permalink)
"signal64"
My concern is with SLI HB if we can't even get default settings in OC software to benchmark the same as stock card settings isn't that affecting our overall OC benchmarks?


Answer to my own question seems yes it does.
Same testing as before:

Fire Strike Ultra with +100 GPU Clock and +100 Memory Clock
Single SLI Bridge: 9865 (+/- 36)
SLI HB: 9756 (+/- 38)
#178
Nicklas0912
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Re: My GTX 1080's in SLI 2016/06/28 11:00:08 (permalink)
The firestirke screems really low.
 
Look at my friend 2x GTX 980 TI @ 1250Mhz
http://www.3dmark.com/fs/5110742
 
almost same GPU score as you.

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#179
johnksss
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Re: My GTX 1080's in SLI 2016/06/28 11:16:50 (permalink)
Nicklas0912
The firestirke screems really low.
 
Look at my friend 2x GTX 980 TI @ 1250Mhz
http://www.3dmark.com/fs/5110742
 
almost same GPU score as you.


This one seems to be quite a bit higher than your friends..... GPU and total score....
http://www.3dmark.com/fs/8856029
post edited by johnksss - 2016/06/28 11:18:51

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