NVIDIA GeForce GTX 275 PhysX Edition 's Advantages
Larger VRAM bandwidth (127.0GB/s vs 14.40GB/s)
NVIDIA GeForce GT 630 Rev. 2 PCIe x8 's Advantages
Released 3 years and 3 months late
More VRAM (2GB vs 896GB)
144 additional rendering cores
Lower TDP (25W vs 219W)