AMD Radeon HD 6630M Mac Edition 's Advantages
Larger VRAM bandwidth (19.20GB/s vs 16.02GB/s)
288 additional rendering cores
NVIDIA GeForce 805A 's Advantages
Released 3 years and 6 months late
Boost Clock758MHz
More VRAM (1024GB vs 256GB)
Lower TDP (15W vs 26W)