Comparison of GIGABYTE Radeon RX 580 Gaming 8G MI video card vs ZOTAC GAMING GeForce RTX 2080 Ti AMP Extreme video card by specifications and benchmarks. GIGABYTE Radeon RX 580 Gaming 8G MI runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ZOTAC GAMING GeForce RTX 2080 Ti AMP Extreme runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 185 W, and the second is 300 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.