Comparison of XFX Radeon RX 6800 video card vs NVIDIA TITAN V video card by specs and benchmarks. XFX Radeon RX 6800 runs at 1.700 GHz base clock speed and has 16 GB of GDDR6 memory, while video card NVIDIA TITAN V runs at 1.700 GHz base clock speed and has 12 GB of HBM2 memory. The weight is different, -- vs --. The TDP of the first video card is 250 W, and the second is 250 W . Compare the benchmark results to find out which video card is better.