Comparison of MSI Radeon RX 570 Mech 2 8G OC video card vs PowerColor Red Dragon Radeon RX 570 4GB GDDR5 V2 video card by specs and benchmarks. MSI Radeon RX 570 Mech 2 8G OC runs at 1.178 GHz+ 1 % base clock speed and has 8 GB of GDDR5 memory, while video card PowerColor Red Dragon Radeon RX 570 4GB GDDR5 V2 runs at 1.178 GHz+ 1 % base clock speed and has 4 GB of GDDR5 memory. The weight is different, 842 g vs --. The TDP of the first video card is 150 W, and the second is 150 W . Compare the benchmark results to find out which video card is better.