This is my old setup (July 2019) before I built my new PC. The specs were i7 3770, 16gb DDR3 RAM, GTX 1660 Ti. Yes there was a horrible CPU bottleneck. I
Gaming PC i7 3770 + GeForce GTX 1050 Ti + 24Gb RAM, Electronics, Computers, Desktops on Carousell
Half life Alyx on an I7 4790 16gb ram and gtx 1660 ti - Dell Community