Comparison of MSI Radeon RX 570 Armor 8G OC video card vs ZOTAC GAMING GeForce GTX 1660 Ti AMP 6GB GDDR6 video card by specifications and benchmarks. MSI Radeon RX 570 Armor 8G OC runs at 1.178 GHz+ 1 % base clock speed and has 8 GB of GDDR5 memory, while video card ZOTAC GAMING GeForce GTX 1660 Ti AMP 6GB GDDR6 runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 150 W, and the second is 130 W+ 8 %. Compare the table of benchmark results to find out which graphic card is better.