little to no fps increase while running SLI
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GPUs
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Graphics
- SLI
- FPS
- Nvidia
Last response: in Graphics & Displays
ChapsMcGee
October 5, 2014 6:05:37 PM
Hello all, recently, i installed a new motherboard, heat sink, and a second 760. i made sure both cards were in the correct PCI-E x 16 slots and the SLI bridge was firmly attached. I also enabled SLI on the Nvidia control panel. While running games like Battlefield 4, Far Cry 3, and Assassin's Creed 4, i noticed i got almost no fps increase. Please help me and thanks in advance.
More about : fps increase running sli
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sla70r
October 5, 2014 6:07:52 PM
SirGetch
October 5, 2014 6:11:50 PM
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ChapsMcGee
October 5, 2014 6:12:18 PM
kylerjobe
October 5, 2014 6:15:59 PM
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ChapsMcGee
October 5, 2014 6:16:54 PM
ChapsMcGee
October 5, 2014 6:17:51 PM
kylerjobe said:
What's your resolution? Do you have the 2gb or 4gb version of the card? If you are running at higher than 1080p and only have 2gb VRAM, it's possible (doubtedly) that the resolution is too high and the VRAM is the bottle neck. But if you're at 1080p or have the 4gb cards, then I really don't know.
1080p and both cards are 2GB
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sla70r
October 5, 2014 6:21:01 PM
ChapsMcGee said:
oh and i should also state, i have nvidia inspector running while im playing AC4 and its says my first GPU is using 88% and the new GPU is using 0-1%Yeah it is def not running SLI .
Another weird request........... enable SLI in nvidia control panel... restart pc and open up nvidia control panel and see if SLI is still enabled.
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ChapsMcGee
October 5, 2014 6:23:30 PM
sla70r said:
ChapsMcGee said:
oh and i should also state, i have nvidia inspector running while im playing AC4 and its says my first GPU is using 88% and the new GPU is using 0-1%Yeah it is def not running SLI .
Another weird request........... enable SLI in nvidia control panel... restart pc and open up nvidia control panel and see if SLI is still enabled.
i restarted my pc multiple times since i got my card. i upgraded my pc on friday
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sla70r
October 5, 2014 6:24:02 PM
ChapsMcGee
October 5, 2014 6:27:40 PM
ChapsMcGee
October 5, 2014 6:28:06 PM
bystander said:
ChapsMcGee said:
oh and i should also state, i have nvidia inspector running while im playing AC4 and its says my first GPU is using 88% and the new GPU is using 0-1%Are you running in windowed mode while doing this? Multi-GPU setups do not work in windowed mode.
im running fullscreen
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sla70r
October 5, 2014 6:28:50 PM
ChapsMcGee
October 5, 2014 6:30:10 PM
ChapsMcGee said:
bystander said:
ChapsMcGee said:
oh and i should also state, i have nvidia inspector running while im playing AC4 and its says my first GPU is using 88% and the new GPU is using 0-1%Are you running in windowed mode while doing this? Multi-GPU setups do not work in windowed mode.
im running fullscreen
Are you using V-sync?
Also, just so you are aware, AC4, at least for many months after release, does not support multiple GPU's. FC3 does, however.
Test FC3 without V-sync. And do not use borderless windowed mode either. it is the same deal as normal windowed mode, just in case you are trying that.
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sla70r
October 5, 2014 6:36:40 PM
ChapsMcGee
October 5, 2014 6:45:35 PM
bystander said:
ChapsMcGee said:
bystander said:
ChapsMcGee said:
oh and i should also state, i have nvidia inspector running while im playing AC4 and its says my first GPU is using 88% and the new GPU is using 0-1%Are you running in windowed mode while doing this? Multi-GPU setups do not work in windowed mode.
im running fullscreen
Are you using V-sync?
Also, just so you are aware, AC4, at least for many months after release, does not support multiple GPU's. FC3 does, however.
Test FC3 without V-sync. And do not use borderless windowed mode either. it is the same deal as normal windowed mode, just in case you are trying that.
ok, i BF4 AND AC4 had v-sync on. FC3 had it disabled but when i turned it on the game felt a little laggier
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ChapsMcGee
October 5, 2014 6:46:25 PM
ChapsMcGee said:
ok, i BF4 AND AC4 had v-sync on. FC3 had it disabled but when i turned it on the game felt a little laggier
With v-sync on, your FPS get capped at your refresh rate, so you likely are at 60 FPS and just don't need a boost in BF4, and the few times it drops lower would most likely be due to CPU restrictions. That's not a good test unless you have a super high res or refresh rate.
AC4 just doesn't use SLI. Nothing you do will help.
FC3 should see a boost, but FC3 has a lot of stuttering issues, which are magnified with SLI/CF, so you may not like the results.
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ChapsMcGee
October 5, 2014 7:00:43 PM
bystander said:
ChapsMcGee said:
ok, i BF4 AND AC4 had v-sync on. FC3 had it disabled but when i turned it on the game felt a little laggier
With v-sync on, your FPS get capped at your refresh rate, so you likely are at 60 FPS and just don't need a boost in BF4, and the few times it drops lower would most likely be due to CPU restrictions. That's not a good test unless you have a super high res or refresh rate.
AC4 just doesn't use SLI. Nothing you do will help.
FC3 should see a boost, but FC3 has a lot of stuttering issues, which are magnified with SLI/CF, so you may not like the results.
yes, i run all my games in 1080p on a 60hz monitor and my CPU is an AMD eight-core 4.29GHz
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Best solution
That means if you have 60 FPS and use V-sync, you are capped, and the 2nd card may not be used if it doesn't need help to produce more.
To see if your 2nd card is working, you must disable v-sync, and choose a game that will use multiple GPU's, which is most games, but AC4 is not one of them, and FC3 is one that has stutter issues.
And if your CPU is not fast, or a game is CPU bound, you may also be limited on what your max FPS can be. Increasing details will be all you can gain from the 2nd card if that is the case.
To see if your 2nd card is working, you must disable v-sync, and choose a game that will use multiple GPU's, which is most games, but AC4 is not one of them, and FC3 is one that has stutter issues.
And if your CPU is not fast, or a game is CPU bound, you may also be limited on what your max FPS can be. Increasing details will be all you can gain from the 2nd card if that is the case.
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ChapsMcGee
October 5, 2014 7:14:53 PM
bystander said:
That means if you have 60 FPS and use V-sync, you are capped, and the 2nd card may not be used if it doesn't need help to produce more.To see if your 2nd card is working, you must disable v-sync, and choose a game that will use multiple GPU's, which is most games, but AC4 is not one of them, and FC3 is one that has stutter issues.
And if your CPU is not fast, or a game is CPU bound, you may also be limited on what your max FPS can be. Increasing details will be all you can gain from the 2nd card if that is the case.
ok, bf4 runs max at 90 fps but around 50 when theres alot of explosions and fire. i feel silly now becuase both my cards are working equally. i tested it with ac4 and that was stupid of me. Thanks man i really appreciate it.
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