Comparison of Sapphire Radeon RX Vega 64 video card vs PowerColor Radeon RX Vega 64 Liquid video card by specs and benchmarks. Sapphire Radeon RX Vega 64 runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory, while video card PowerColor Radeon RX Vega 64 Liquid runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory. The weight is different, -- vs --. The TDP of the first video card is 295 W, and the second is 295 W . Compare the benchmark results to find out which video card is better.