Comparison of MSI Radeon RX 580 Armor 4G OC video card vs EVGA GeForce RTX 3080 Ti XC3 Ultra Gaming video card by specifications and benchmarks. MSI Radeon RX 580 Armor 4G OC runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card EVGA GeForce RTX 3080 Ti XC3 Ultra Gaming runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 185 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.