AMD Radeon HD 7970 GHz Edition 's Advantages
Released 4 years and 9 months late
Boost Clock1050MHz
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (288.0GB/s vs 32.26GB/s)
2016 additional rendering cores
NVIDIA GeForce 8600 GTS Mac Edition 's Advantages
Lower TDP (75W vs 300W)