ATI Radeon HD 5970 's Advantages
64 additional rendering cores
NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Released 3 years and 5 months late
Boost Clock1058MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (192.3GB/s vs 128.0GB/s)
Lower TDP (195W vs 294W)