AMD Radeon Pro W6600M 's Advantages
Released 10 years and 5 months late
Boost Clock2034MHz
More VRAM (8GB vs 256GB)
Larger VRAM bandwidth (224.0GB/s vs 19.20GB/s)
1312 additional rendering cores
AMD Radeon HD 6630M Mac Edition 's Advantages
Lower TDP (26W vs 90W)