Comparison of ASUS TUF Gaming Radeon RX 6800 OC video card vs SAPPHIRE Pulse Radeon RX 6750 XT video card by specifications and benchmarks. ASUS TUF Gaming Radeon RX 6800 OC runs at 1.850 GHz+ 9 % base clock speed and has 16 GB of GDDR6 memory, while video card SAPPHIRE Pulse Radeon RX 6750 XT runs at 2.200 GHz 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.