Re: 680 SLI First card runs hotter by 15C no matter which card is installed.
So I googled up on this and the primary card runs hotter because it has its own set of instructions that it runs by itself.
ASUS Sabertooth P67
Intel SB 2600K 4.4 GhZ
16 GB Gskill RipJaws DDR3 2133
MSI 680GTX Twin Frozr 4GD5/OC, Galaxy 680GTX 4GB GC SLI
Samsung 840 Pro 256GB
ThermalTake ToughPower 850W PSU
Windows 8 Pro 64bit
16076 3dMark11 score