Comparison of Sapphire Pulse Radeon RX 570 8GD5 video card vs GIGABYTE Radeon RX 6600 XT Gaming OC 8G video card by specifications and benchmarks. Sapphire Pulse Radeon RX 570 8GD5 runs at 1.168 GHz base clock speed and has 8 GB of GDDR5 memory, while video card GIGABYTE Radeon RX 6600 XT Gaming OC 8G runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 150 W, and the second is 160 W. Compare the table of benchmark results to find out which graphic card is better.