The GeForce GTX 1660 and GeForce GTX 1660 Ti with reference clock speeds were found to mine Ethereum at 20.3 Mh/s and 23.6 Mh/s , respectively. That means the GeForce GTX 1660 Ti with GDDR6 memory mines about 16% better than the GeForce GTX 1660 with GDDR5 memory.