Comparison of ASRock Radeon RX 6800 Challenger Pro 16G OC video card vs MSI GeForce RTX 3090 Ventus 3X 24G OC video card by specifications and benchmarks. ASRock Radeon RX 6800 Challenger Pro 16G OC runs at 1.750 GHz+ 3 % base clock speed and has 16 GB of GDDR6 memory, while video card MSI GeForce RTX 3090 Ventus 3X 24G OC runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 250 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.