Comparison of ASRock Radeon RX 5600 XT Phantom Gaming D3 6G OC video card vs PowerColor Hellhound Radeon RX 6600 video card by specifications and benchmarks. ASRock Radeon RX 5600 XT Phantom Gaming D3 6G OC runs at 1.530 GHz+ 35 % base clock speed and has 6 GB of GDDR6 memory, while video card PowerColor Hellhound 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 160 W, and the second is 132 W. Compare the table of benchmark results to find out which graphic card is better.