Comparison of GIGABYTE AORUS GeForce RTX 2080 SUPER 8G video card vs XFX Speedster MERC 319Radeon RX 6750 XT Black Gaming video card by specifications and benchmarks. GIGABYTE AORUS GeForce RTX 2080 SUPER 8G runs at 1.650 GHz base clock speed and has 8 GB of GDDR6 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.