AMD Radeon RX 6800 's Advantages
More VRAM (16GB vs 12GB)
Larger VRAM bandwidth (512.0GB/s vs 432.0GB/s)
384 additional rendering cores
AMD Radeon RX 7700 XT 's Advantages
Released 2 years and 10 months late
Boost Clock has increased by 21% (2544MHz vs 2105MHz)
Lower TDP (245W vs 250W)