Comparison of XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming video card vs Colorful iGame GeForce RTX 3080 Vulcan OC 12G LHR-V 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 3080 Vulcan OC 12G LHR-V runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 160 W, and the second is 390 W+ 11 %. Compare the table of benchmark results to find out which graphic card is better.