Comparison of ASRock Radeon RX 6700 XT Challenger Pro 12GB OC video card vs ZOTAC Gaming GeForce RTX 3090 AMP Extreme Holo video card by specifications and benchmarks. ASRock Radeon RX 6700 XT Challenger Pro 12GB OC runs at 2.375 GHz+ 2 % base clock speed and has 12 GB of GDDR6 memory, while video card ZOTAC Gaming GeForce RTX 3090 AMP Extreme Holo runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 230 W, and the second is 420 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.