AMD Radeon RX 6800 XT 's Advantages
More VRAM (16GB vs 12GB)
Larger VRAM bandwidth (512.0GB/s vs 432.0GB/s)
2048 additional rendering cores
AMD Radeon RX 6750 GRE 12 GB 's Advantages
Released 3 years late
Boost Clock has increased by 15% (2581MHz vs 2250MHz)
Lower TDP (250W vs 300W)