AMD Radeon HD 6790 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 96.00GB/s)
288 additional rendering cores
AMD Radeon RX 550 512SP 's Advantages
Released 6 years and 6 months late
Boost Clock1071MHz
More VRAM (2GB vs 1024GB)
Lower TDP (50W vs 150W)