AMD Radeon RX 550 512SP 's Advantages
Lower TDP (50W vs 250W)
AMD Radeon RX 6750 GRE 's Advantages
Released 6 years late
Boost Clock has increased by 141% (2581MHz vs 1071MHz)
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (432.0GB/s vs 96.00GB/s)
2048 additional rendering cores