Comparison of PowerColor Red Devil Radeon RX 6600 XT video card vs KFA2 GeForce GT 1030 Black DDR4 video card by specifications and benchmarks. PowerColor Red Devil Radeon RX 6600 XT runs at 2.188 GHz+ 11 % base clock speed and has 8 GB of GDDR6 memory, while video card KFA2 GeForce GT 1030 Black 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.