AMD Radeon HD 7970 GHz Edition 's Advantages
Boost Clock1050MHz
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 14.40GB/s)
1664 additional rendering cores
NVIDIA GeForce GT 630 Rev. 2 PCIe x8 's Advantages
Released 11 months late
Lower TDP (25W vs 300W)