Amazon.com: MSI GeForce GTX 1660 Super Gaming Graphics Card, PCI-E x16, No NVLink, VR Ready : Electronics
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