Comparison of XFX Speedster MERC 319 Radeon RX 6800 Black Gaming video card vs ASUS ROG Strix GeForce RTX 2080 Ti OC - Call of Duty - Black Ops 4 Edition video card by specifications and benchmarks. XFX Speedster MERC 319 Radeon RX 6800 Black Gaming runs at 1.850 GHz+ 9 % base clock speed and has 16 GB of GDDR6 memory, while video card ASUS ROG Strix GeForce RTX 2080 Ti OC - Call of Duty - Black Ops 4 Edition runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 260 W+ 4 %. Compare the table of benchmark results to find out which graphic card is better.