Madshrimps posted a comparison review between NVIDIA 8600 GT DDR2 and DDR3
NVIDIA 8600 GT DDR2 vs DDR3 in 12 Games
In this review we take a closer look at the Club 3D 8600 GT based video card, it comes with no less than 512Mb DDR2. We compare the performance of this card in twelve of the most recent games, including Team Fortress 2, Unreal Tournament 3, Quake Wars, Bioshock and many others against a 256mb DDR3 8600 GT and previous mid-range champ, the 7600 GT.
NVIDIA 8600 GT DDR2 vs DDR3 in 12 Games