NVIDIA GeForce GTX 275 PhysX Edition 's Advantages
Released 1 years and 1 months late
More VRAM (896GB vs 512GB)
Larger VRAM bandwidth (127.0GB/s vs 108.8GB/s)
ATI Radeon HD 4870 Mac Edition 's Advantages
560 additional rendering cores
Lower TDP (150W vs 219W)