Comparison of MSI Radeon RX 5700 XT Mech OC video card vs ASRock Intel Arc A770 Phantom Gaming D 8GB OC video card by specs and benchmarks. MSI Radeon RX 5700 XT Mech OC runs at 1.670 GHz+ 4 % base clock speed and has 8 GB of GDDR6 memory, while video card ASRock Intel Arc A770 Phantom Gaming D 8GB OC runs at 1.670 GHz+ 4 % base clock speed and has 8 GB of GDDR6 memory. The weight is different, 794 g vs 1146 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.