NVIDIA GeForce GTX 460 X2 's Advantages
Released 2 years and 2 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (115.2GB/s vs 108.8GB/s)
ATI Radeon HD 4870 Mac Edition 's Advantages
464 additional rendering cores
Lower TDP (150W vs 160W)