AMD Radeon HD 7770 GHz Edition 's Advantages
Lower TDP (80W vs 150W)
AMD Radeon R9 370 1024SP 's Advantages
Released 3 years and 4 months late
Boost Clock975MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (179.2GB/s vs 72.00GB/s)
384 additional rendering cores