Comparison of AMD Radeon RX 7800 XT video card vs NVIDIA TITAN V video card by specifications and benchmarks. AMD Radeon RX 7800 XT runs at 1.800 GHz base clock speed and has 16 GB of GDDR6 memory, while video card NVIDIA TITAN V runs at 1.200 GHz base clock speed and has 12 GB of HBM2 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.