NVIDIA GeForce GT 630 Rev. 2 PCIe x8 's Advantages
Lower TDP (25W vs 250W)
AMD Radeon Pro Duo Polaris 's Advantages
Released 3 years and 11 months late
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 14.40GB/s)
1920 additional rendering cores