Comparison of XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming video card vs Colorful iGame GeForce RTX 3060 Ultra W OC 12G L-V LHR video card by specifications and benchmarks. XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming runs at 2.188 GHz+ 11 % base clock speed and has 8 GB of GDDR6 memory, while video card Colorful iGame GeForce RTX 3060 Ultra W OC 12G L-V LHR runs at 1.320 GHz base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 200 W+ 18 %. Compare the table of benchmark results to find out which graphic card is better.