NVIDIA GeForce GT 630 Rev. 2 PCIe x8 's Advantages
Released 2 years and 2 months late
More VRAM (2GB vs 1024GB)
48 additional rendering cores
Lower TDP (25W vs 160W)
NVIDIA GeForce GTX 460 X2 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)