550TI SLI Single Monitor Lower FPS in SLI Mode

Palmerrulzah

Geek Trainee
Hello,

I have 2xGTX550TI's running in SLI, i am getting a MUCH lower fps count in games (15-20fps) that i do with one 550TI running without SLI. All games run very choppy too

Specs
12 gb ddr3 ram
2xgtx550ti SLI
i5 3570k 3.5GHz
MSI 7676 Motherboard
850W PSU

I have tested them both in single card mode and they both run equally as well.

Same problem occurs after i reinstalled the drivers.

The mobo has 2 pci x 16 slots

It's happening with all of my games, but some include battlefield 3, GTA IV and other games.

It's a constant low framerate issue, i get higher fps in all games with a single GPU

I ran the windows experience index with SLI enabled and it went from a 7.4 to a 6.8 in Gaming Graphics.

I'm using fraps, you can easily tell that the perfomance with two cards in sli is worse that just 1 card even without fraps, it makes some games unplayable with incredibly reduced performance.

I go from 60 fps on battlefield 3 on mid settings 1920*1080 to 15 fps with sli.

The motherboard's pci slots are fairly wide apart so i know they can breathe

I tried the newest beta drivers for the 500 series and i got the same issue
 
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