GTA V SLI lower FPS than single GPU

Oct 13, 2018
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When I play GTA V with SLI enabled my FPS drops even if I reduce the settings. When I turn SLI off it's completely solid, never drops, even if i turn the settings up.

Does anyone know why/have a fix? This doesn't happen in other games, in fact in the witcher 3, to play with everything maxed out and no FPS I need SLI enabled, and then it runs perfectly?

My rig:
Windows 10 64 bit
2 x Titan X pascals
Intel i7 4770k 3.5ghz
2 x 8gb ddr3 1333mhz
1TB Crucial SSD
4k 60hz Gsync monitor

Game limited to 57fps with RTSS - with one card it never drops below this... ever. In SLI it's 52-57 and the changes are noticeable.

Vsync on in control panel - off in game

Prefer maximum performance enabled (even worse performance in the other modes)

Game exe set to high priority

Removed drivers with DDU in safe mode and installed latest driver from nvidia.

Scanned computer for malware and viruses.

Any other suggestions? It's annoying having to switch to single gpu mode to run the game. I thought it had a decent SLI profile.
 

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