Comparison of Sapphire Radeon RX 5700 8G video card vs Sapphire Radeon VII video card by specifications and benchmarks. Sapphire Radeon RX 5700 8G runs at 1.465 GHz base clock speed and has 8 GB of GDDR6 memory, while video card Sapphire Radeon VII runs at 1.400 GHz base clock speed and has 16 GB of HBM2 memory. The TDP of the first video card is 180 W, and the second is 300 W. Compare the table of benchmark results to find out which graphic card is better.