Comparison of PowerColor Fighter Radeon RX 6600 XT video card vs Colorful iGame GeForce RTX 3070 Vulcan OC LHR-V video card by specifications and benchmarks. PowerColor Fighter Radeon RX 6600 XT runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card Colorful iGame GeForce RTX 3070 Vulcan OC LHR-V runs at 1.500 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 270 W+ 23 %. Compare the table of benchmark results to find out which graphic card is better.