Comparison of XFX Speedster MERC 319 Radeon RX 6900 XT Black Gaming video card vs KFA2 GeForce GTX 1060 OC 6GB GDDR5X video card by specifications and benchmarks. XFX Speedster MERC 319 Radeon RX 6900 XT Black Gaming runs at 1.950 GHz+ 7 % base clock speed and has 16 GB of GDDR6 memory, while video card KFA2 GeForce GTX 1060 OC 6GB GDDR5X runs at 1.518 GHz+ 1 % base clock speed and has 6 GB of GDDR5X memory. The TDP of the first video card is 300 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.