Comparison of ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC video card vs Colorful iGame GeForce RTX 3090 Advanced OC-V video card by specifications and benchmarks. ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC runs at 2.064 GHz+ 5 % base clock speed and has 8 GB of GDDR6 memory, while video card Colorful iGame GeForce RTX 3090 Advanced OC-V runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 160 W, and the second is 370 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.