Comparison of GALAX GeForce RTX 2080 EX OC White video card vs Sapphire Radeon RX 6600 video card by specifications and benchmarks. GALAX GeForce RTX 2080 EX OC White runs at 1.515 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 215 W, and the second is 132 W. Compare the table of benchmark results to find out which graphic card is better.