I recently bought GTX 680 Phantom, but card was pooped, so i sent it back and got this Beast instead to go into SLI with my current 680 Phantom.

This should be the highest clocked 680 out there.
Asus 680
Core Clock: 1137mhz
Boost Clock: 1202mhz
Boost Limit: 1346mhz
Idle temp: 22 - 27C (25C ambient temp, upper card)
Load temp: 50-55C (25C ambient temp, upper card)

680 Phantom:
Core Clock: 1084mhz
Boost Clock: 1175mhz
Boost Limit: 1286mhz
Idle temp: 32C (25C ambient, bottom card)
Load temp: 60-70C (25C ambient, bottom card)

I used GPU-Z and Kepler BIOS Tweaker to permanently OC/UC both cards to same clock speeds, so both cards run at 1202mhz boost while gaming / under load.

If you have different clock speeds, you get so called "screen tear" and some games might lag like nutz, for me, ShadowPlay didn't like the different clocks at all, it was very laggy.

Here's the performance of SLI:
[ Ссылка ]

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