Comparison of PowerColor Hellhound Radeon RX 6600 XT video card vs KFA2 GeForce GT 1030 Black/Blue DDR4 video card by specifications and benchmarks. PowerColor Hellhound Radeon RX 6600 XT runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card KFA2 GeForce GT 1030 Black/Blue DDR4 runs at 1.151 GHz base clock speed and has 2 GB of DDR4 memory. The TDP of the first video card is 160 W, and the second is 30 W+ 50 %. Compare the table of benchmark results to find out which graphic card is better.