Comparison of AMD Radeon RX 6800 video card vs ASUS ROG Matrix GeForce GTX 980 Ti video card by specifications and benchmarks. AMD Radeon RX 6800 runs at 1.700 GHz base clock speed and has 16 GB of GDDR6 memory, while video card ASUS ROG Matrix GeForce GTX 980 Ti runs at 1.000 GHz base clock speed and has 6 GB of GDDR5 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.