Comparison of ASRock Radeon RX 5700 XT Challenger Pro 8G OC video card vs MSI Radeon RX 5700 XT Mech video card by specs and benchmarks. ASRock Radeon RX 5700 XT Challenger Pro 8G OC runs at 1.650 GHz+ 3 % base clock speed and has 8 GB of GDDR6 memory, while video card MSI Radeon RX 5700 XT Mech runs at 1.650 GHz+ 3 % base clock speed and has 8 GB of GDDR6 memory. The weight is different, -- vs 794 g. The TDP of the first video card is 225 W, and the second is 225 W . Compare the benchmark results to find out which video card is better.