Comparison of ASUS TUF Gaming GeForce GTX 1660 OC video card vs ZOTAC GAMING GeForce RTX 2060 AMP Extreme video card by specifications and benchmarks. ASUS TUF Gaming GeForce GTX 1660 OC runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card ZOTAC GAMING GeForce RTX 2060 AMP Extreme runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 120 W, and the second is 190 W+ 19 %. Compare the table of benchmark results to find out which graphic card is better.