Comparison of NVIDIA TITAN V video card vs ASRock Radeon RX 6800 Phantom Gaming D 16G OC video card by specs and benchmarks. NVIDIA TITAN V runs at 1.200 GHz base clock speed and has 12 GB of HBM2 memory, while video card ASRock Radeon RX 6800 Phantom Gaming D 16G OC runs at 1.200 GHz base clock speed and has 16 GB of GDDR6 memory. The weight is different, -- vs 1306 g. 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.