ATI Radeon HD 4870 Mac Edition 's Advantages
Lower TDP (150W vs 375W)
AMD FirePro S10000 Passive 's Advantages
Released 3 years and 10 months late
Boost Clock950MHz
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (240.0GB/s vs 108.8GB/s)
992 additional rendering cores