Comparison of GALAX GeForce GTX 980 Ti HOF video card vs XFX Speedster MERC 319Radeon RX 6750 XT Black Gaming video card by specifications and benchmarks. GALAX GeForce GTX 980 Ti HOF runs at 1.190 GHz+ 19 % base clock speed and has 6 GB of GDDR5 memory, while video card XFX Speedster MERC 319Radeon RX 6750 XT Black Gaming runs at 2.324 GHz+ 6 % base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.