Comparison of Sapphire Radeon RX 6800 video card vs GALAX GeForce RTX 2080 SUPER HOF 10th Anniversary Black Edition video card by specs and benchmarks. Sapphire Radeon RX 6800 runs at 1.800 GHz+ 6 % base clock speed and has 16 GB of GDDR6 memory, while video card GALAX GeForce RTX 2080 SUPER HOF 10th Anniversary Black Edition runs at 1.800 GHz+ 6 % base clock speed and has 8 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 250 W, and the second is 250 W . Compare the benchmark results to find out which video card is better.