AMD Radeon HD 7870 GHz Edition 's Advantages
Released 4 years and 2 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (153.6GB/s vs 51.14GB/s)
1216 additional rendering cores
NVIDIA GeForce 8800 GS Mac Edition 's Advantages
Lower TDP (105W vs 175W)