AMD Radeon HD 7770 GHz Edition 's Advantages
Lower TDP (80W vs 160W)
AMD Radeon RX 6600 XT 's Advantages
Released 9 years and 5 months late
Boost Clock2589MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 72.00GB/s)
1408 additional rendering cores