Comparison of ASUS ROG Strix GeForce GTX 1070 OC edition video card vs EVGA GeForce GTX 1660 XC ULTRA GAMING video card by specifications and benchmarks. ASUS ROG Strix GeForce GTX 1070 OC edition runs at 1.632 GHz+ 8 % base clock speed and has 8 GB of GDDR5 memory, while video card EVGA GeForce GTX 1660 XC ULTRA GAMING 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.