Comparison of MSI Radeon RX 5700 XT Mech video card vs ASUS ROG Strix GeForce RTX 3090 White video card by specifications and benchmarks. MSI Radeon RX 5700 XT Mech runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ASUS ROG Strix GeForce RTX 3090 White runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 225 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.