Comparison of ZOTAC GeForce GTX 1070 AMP Extreme video card vs PNY GeForce GTX 1660 6GB XLR8 Gaming OC Single Fan video card by specifications and benchmarks. ZOTAC GeForce GTX 1070 AMP Extreme runs at 1.632 GHz+ 8 % base clock speed and has 8 GB of GDDR5 memory, while video card PNY GeForce GTX 1660 6GB XLR8 Gaming OC Single Fan runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 250 W+ 67 %, and the second is 125 W+ 4 %. Compare the table of benchmark results to find out which graphic card is better.