Comparison of MSI GeForce GTX 1070 GAMING X 8G video card vs ASUS Dual GeForce GTX 1660 EVO video card by specifications and benchmarks. MSI GeForce GTX 1070 GAMING X 8G runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ASUS Dual GeForce GTX 1660 EVO runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 150 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.