The NVIDIA GeForce GTX 1660 Super Review, Feat. EVGA SC Ultra: Recalibrating The Mainstream Market
Apparently you can overclock the GTX 1660 Ti VRAM an extra 1000MHz and it's perfectly stable. I've played FarCry 5, COD BO3, and Minecraft with SEUS PTGI all for a few ours
GeForce® GTX 1660 Ti GAMING OC 6G Key Features | Graphics Card - GIGABYTE Global