Comparison of NVIDIA GeForce RTX 2060 12GB video card vs GIGABYTE Radeon RX 580 Gaming 8G MI video card by specs and benchmarks. NVIDIA GeForce RTX 2060 12GB runs at 1.470 GHz base clock speed and has 12 GB of GDDR6 memory, while video card GIGABYTE Radeon RX 580 Gaming 8G MI runs at 1.470 GHz base clock speed and has 8 GB of GDDR5 memory. The weight is different, vs --. The TDP of the first video card is 185 W, and the second is 185 W . Compare the benchmark results to find out which video card is better.