Comparison of ASRock Radeon RX 6800 Challenger Pro 16G OC video card vs XFX Speedster QICK 319 Radeon RX 6750 XT Core Gaming video card by specifications and benchmarks. ASRock Radeon RX 6800 Challenger Pro 16G OC runs at 1.750 GHz+ 3 % base clock speed and has 16 GB of GDDR6 memory, while video card XFX Speedster QICK 319 Radeon RX 6750 XT Core Gaming runs at 2.150 GHz-2 % 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.