Dunno exactly what driver he was running since in the test they used 13.2b6 and he only stated 13.2. The b6 may be much much better. Even so the game from the reviews runs on the Nvidia chips better.
Intel Core i7 2700k (4.8 @ 100x48) Watercooled - 16GB Crucial Ballistix @ 1600 Mhz 184.108.40.206 2T
8GB Corsair Vengeance @ 1600 Mhz 220.127.116.11 2T - Asus Sabertooth P67 - Asus Radeon 7970 Ref. (Non Ghz)
Heatkiller 79xx Ni-Bl (Soon) @ 1050/1500 - 64Gb Crucial M4 SSD - 3x Hitachi 1Tb - Corsair TX950W
Azza Genesis 9000B - 2x Samsung SyncMaster S27A550H - Vizio 32" LCD