Comparison of GIGABYTE Radeon RX 5700 8G video card vs ZOTAC GAMING GeForce RTX 2080 Twin Fan video card by specifications and benchmarks. GIGABYTE Radeon RX 5700 8G runs at 1.465 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ZOTAC GAMING GeForce RTX 2080 Twin Fan runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 180 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.