Comparison of XFX Speedster MERC 319 Radeon RX 6800 Black Gaming video card vs GALAX GeForce RTX 2080 Ti Dual Black (1-Click OC) V2 video card by specs 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 GALAX GeForce RTX 2080 Ti Dual Black (1-Click OC) V2 runs at 1.850 GHz+ 9 % base clock speed and has 11 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.