AMD Radeon HD 7970 GHz Edition 's Advantages
Larger VRAM bandwidth (288.0GB/s vs 112.0GB/s)
1280 additional rendering cores
AMD Radeon Pro W6400 's Advantages
Released 9 years and 7 months late
Boost Clock has increased by 122% (2331MHz vs 1050MHz)
More VRAM (4GB vs 3GB)
Lower TDP (50W vs 300W)