Comparison of Sapphire Radeon VII video card vs GIGABYTE GeForce RTX 2080 Gaming 8G video card by specifications and benchmarks. Sapphire Radeon VII runs at 1.400 GHz base clock speed and has 16 GB of HBM2 memory, while video card GIGABYTE GeForce RTX 2080 Gaming 8G runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.