I just setup 2 8800GT cards in SLI and have been doing some preliminary testing. I get about 17100 in '06 with the specs in my sig and the cards running at 690/1699/1000 with fans at 80%.

My big concern is the huge difference in temperatures between the 2 cards. After 1 hour of playing Crysis with SLI enabled (and confirmed working), the GPU1 is at 90C while GPU2 is at 60C. That is a gigantic difference in load temps. I have both fans at 80% (at least I think from the setting used in Rivatuner) and both have good air flow around them. If anything, the hotter of the 2 cards has a PCI fan slot blower sitting directly beneath it.

Under idle conditions, GPU1 is at 63C and GPU2 is at 50C. What could possibly be the cause for this? I may try removing the heatsink and applying AS5.

Anyone else seeing such huge difference in temps between the cards?