Comparison of EVGA GeForce RTX 2070 XC BLACK GAMING video card vs Sapphire Radeon RX 6600 video card by specifications and benchmarks. EVGA GeForce RTX 2070 XC BLACK GAMING runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory, while video card Sapphire Radeon RX 6600 runs at 1.626 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 175 W, and the second is 132 W. Compare the table of benchmark results to find out which graphic card is better.