NVIDIA GeForce 8800 GS Mac Edition 's Advantages
Lower TDP (105W vs 150W)
AMD Radeon R9 270 's Advantages
Released 5 years and 10 months late
Boost Clock925MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (179.2GB/s vs 51.14GB/s)
1216 additional rendering cores