NVIDIA GeForce GT 630 Rev. 2 PCIe x8 's Advantages
Released 1 years and 11 months late
More VRAM (2GB vs 1GB)
Lower TDP (25W vs 244W)
NVIDIA GeForce GTX 580 Rev. 2 's Advantages
Larger VRAM bandwidth (192.4GB/s vs 14.40GB/s)
128 additional rendering cores