AMD Radeon HD 7970 GHz Edition 's Advantages
Released 3 years and 2 months late
Boost Clock1050MHz
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (288.0GB/s vs 124.8GB/s)
1248 additional rendering cores
ATI Radeon HD 4890 's Advantages
Lower TDP (190W vs 300W)