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GTA V PC SLI usage issue


un4givn85
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hey all

new here

have a question for other SLI users out there

are you experiencing major usage percentage differences between cards?

lately ive noticed the my second card will be around 80-95% usage and the first one will be at only 50-65%

heat isnt an issue, the first card runs at most 80c and the other barely breaks 60 most times

here are my system specs:

Core i7 2600k @ 4.7ghz cooled by a Corsair H50
EVGA P67 FTW w/ 16gb GSkill Sniper DDR3 2133
EVGA GTX980 SC ACX 2.0 X2 @1551
CM HAF XB Evo w/ EVGA 1000 P2
Samsung 850 Evo 250GB -- OS Windows 7 64-bit
Samsung 840 Evo 250GB -- games
GTA V is installed on the 840 evo
i also experience the microstutters that most people on here seem to have
Edited by un4givn85
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Bad news, according to Rockstar GTA V doesn't not actually "support" SLI or crossfire I also have 980's in SLI but I dont get that kind of scaling, for me both are usually around 95-80 but the second card never gets to 100%. Also you might not know this yet but it also messes with the wave simulation if you turn off SLI you'll notice much higher and more realistic waves....... but then again you can only use one card :(

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Bad news, according to Rockstar GTA V doesn't not actually "support" SLI or crossfire I also have 980's in SLI but I dont get that kind of scaling, for me both are usually around 95-80 but the second card never gets to 100%. Also you might not know this yet but it also messes with the wave simulation if you turn off SLI you'll notice much higher and more realistic waves....... but then again you can only use one card :(

"Not supporting SLI" means nothing when the game runs like crap on a single card. This point is useless to debate because it is a hard fact. I leave SLI off unless I play something like Tomb Raider 2013 that effortlessly pushes 95-99% out of my two 970's. I'm lucky to get 60-70% gpu usage in GTA5. Although, I can agree that GTA5 with a single card displays much nicer.

Edited by stretchx9
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thanks for the responses

i havent tried using it with just one yet, maybe tonight

strange thing is, when i had two 970s, they both ran about 50-60% evenly

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Tested. Can now maintain a solid 60fps with very minor drops in the country side. Everything but grass maxed at 1080p. And thanks for the waves tip, much better now.

Too bad SLI is broken.

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thanks for the responses

i havent tried using it with just one yet, maybe tonight

strange thing is, when i had two 970s, they both ran about 50-60% evenly

Try the 'Star Swarm Demo' and see it you still have unbalanced gpu usage. Steam has the demo.

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that doesnt even use SLI for me

 

 

===========================================================

Oxide Games
Star Swarm Stress Test - ©2013
C:\Users\Chris\Documents\Star Swarm\Output_15_08_12_1659.txt
Version 1.10
08/12/2015 16:59
===========================================================
== Hardware Configuration =================================
GPU: NVIDIA GeForce GTX 980
CPU: GenuineIntel
Intel® Core i7-2600K CPU @ 4.50GHz
Physical Cores: 4
Logical Cores: 8
Physical Memory: 17145298944
Allocatable Memory: 8796092891136
===========================================================
== Configuration ==========================================
API: DirectX
Scenario: ScenarioFollow.csv
User Input: Disabled
Resolution: 1920x1080
Fullscreen: True
GameCore Update: 16.6 ms
Bloom Quality: High
PointLight Quality: High
ToneCurve Quality: High
Glare Overdraw: 16
Shading Samples: 64
Shade Quality: Mid
Deferred Contexts (D3D11): Disabled
Small Batch Optimized (Mantle): Enabled
Temporal AA Duration: 16
Temporal AA Time Slice: 2
Detailed Frame Info: Off
===========================================================
== Results ================================================
Test Duration: 360 Seconds
Total Frames: 28236
Average FPS: 78.43
Average Unit Count: 4728
Maximum Unit Count: 5916
Average Batches/MS: 1081.11
Maximum Batches/MS: 3065.36
Average Batch Count: 15669
Maximum Batch Count: 106880
===========================================================

 

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found out last night, its not just GTA, Just Cause 2 has similar GPU usage issues when using two cards

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