Comparison of MSI GeForce GTX 980 Ti Armor 2X OC video card vs XFX Speedster MERC 319Radeon RX 6750 XT Black Gaming video card by specs and benchmarks. MSI GeForce GTX 980 Ti Armor 2X OC runs at 1.102 GHz+ 10 % base clock speed and has 6 GB of GDDR5 memory, while video card XFX Speedster MERC 319Radeon RX 6750 XT Black Gaming runs at 1.102 GHz+ 10 % base clock speed and has 12 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 250 W, and the second is 250 W . Compare the benchmark results to find out which video card is better.