Comparison of Sapphire Nitro+ Radeon RX 6800 video card vs EVGA GeForce RTX 2060 SC BLACK GAMING video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 6800 runs at 1.850 GHz+ 9 % base clock speed and has 16 GB of GDDR6 memory, while video card EVGA GeForce RTX 2060 SC BLACK GAMING runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 160 W. Compare the table of benchmark results to find out which graphic card is better.