AMD Radeon R9 280 's Advantages
Lower TDP (200W vs 300W)
AMD Radeon RX 6800 XT 's Advantages
Released 6 years and 7 months late
Boost Clock has increased by 141% (2250MHz vs 933MHz)
More VRAM (16GB vs 3GB)
Larger VRAM bandwidth (512.0GB/s vs 240.0GB/s)
2816 additional rendering cores