ATI Radeon HD 5870 Mac Edition 's Advantages
Larger VRAM bandwidth (153.0GB/s vs 144.2GB/s)
832 additional rendering cores
NVIDIA GeForce GTX 650 Ti Boost 's Advantages
Released 2 years and 9 months late
Boost Clock1032MHz
More VRAM (2GB vs 1024GB)
Lower TDP (134W vs 228W)