Comparison of XFX Speedster MERC 319 Radeon RX 6900 XT Limited Black Gaming video card vs GIGABYTE GeForce GTX 1650 SUPER OC 4G video card by specifications and benchmarks. XFX Speedster MERC 319 Radeon RX 6900 XT Limited Black Gaming runs at 2.150 GHz+ 18 % base clock speed and has 16 GB of GDDR6 memory, while video card GIGABYTE GeForce GTX 1650 SUPER OC 4G runs at 1.530 GHz base clock speed and has 4 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 100 W. Compare the table of benchmark results to find out which graphic card is better.