Both systems are base spec - A320MB, 8GB 2666MHz RAM, 120GB SSD, 550W PSU, Leaper Mid Case. You can choose either RX 570 or GTX 1650 4GB for same price in the R3-3100 system.
$799 Ryzen 3 3300X | GTX 1660 6GB Budget Gaming PC: Code: 3300X-1660-MAY
$629 Ryzen 3 3100 | RX 570/GTX 1650 Budget Gaming PC: Code: 3100-570-1650-MAY
Lots of other TechFast deals posted on their account page. Thanks to Luke for sharing the deal.