Comparison of GIGABYTE GeForce RTX 2070 Windforce OC 2X 8G video card vs ASUS TUF Gaming GeForce GTX 1660 TI EVO video card by specifications and benchmarks. GIGABYTE GeForce RTX 2070 Windforce OC 2X 8G runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ASUS TUF Gaming GeForce GTX 1660 TI EVO runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 175 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.