Comparison of Sapphire Radeon RX 6800 video card vs ASUS Dual GeForce RTX 2080 SUPER OC Evo video card by specifications 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 ASUS Dual GeForce RTX 2080 SUPER OC Evo runs at 1.650 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.