AMD Radeon HD 7770 GHz Edition 's Advantages
Lower TDP (80W vs 150W)
AMD Radeon RX 580 OEM 's Advantages
Released 4 years and 4 months late
Boost Clock1266MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 72.00GB/s)
1664 additional rendering cores