NVIDIA GeForce 9800 GX2 's Advantages
Lower TDP (197W vs 219W)
NVIDIA GeForce GTX 275 PhysX Edition 's Advantages
Released 1 years and 11 months late
More VRAM (896GB vs 512GB)
Larger VRAM bandwidth (127.0GB/s vs 64.00GB/s)
112 additional rendering cores