ATI Radeon HD 5870 Mac Edition 's Advantages
Lower TDP (228W vs 250W)
NVIDIA GeForce GTX 780 's Advantages
Released 2 years and 11 months late
Boost Clock902MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (288.4GB/s vs 153.0GB/s)
704 additional rendering cores