Comparison of GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G video card vs Colorful GeForce RTX 2060 SI 6G-V video card by specifications and benchmarks. GIGABYTE Radeon RX 6600 XT Gaming OC Pro 8G runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card Colorful GeForce RTX 2060 SI 6G-V runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 160 W. Compare the table of benchmark results to find out which graphic card is better.