ATI Radeon HD 5870 Mac Edition 's Advantages
256 additional rendering cores
NVIDIA GeForce GTX 670 's Advantages
Released 1 years and 11 months late
Boost Clock980MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (192.3GB/s vs 153.0GB/s)
Lower TDP (170W vs 228W)