Alright that's good enough for some decent APU machines they have on here.
3 Options again
A8: https://www.concordecomp.com.au/online-store/AMD-AM4-A8-QUAD-Core-9600-3-4GHz-8GB-DDR4-1TB-Gaming-Computer-System-Desktop-PC-p91137030
A10: https://www.concordecomp.com.au/online-store/AMD-AM4-A10-QUAD-Core-9700-3-8GHz-8GB-DDR4-1TB-Gaming-Computer-System-Desktop-PC-p91137039
A12: https://www.concordecomp.com.au/online-store/AMD-A12-Quad-Core-9800-4-0GHz-8GB-DDR4-1TB-R7-Radeon-Gaming-Computer-Desktop-PC-p58612057
A8 is the cheapest, but not exactly the best performing
A10 is middle ground between the two
A12 is the high end APU stuff, which I think you may need if your going to be running PUBG or GTAV
With APU's, they love more memory and faster RAM so an upgrade might help in the long run.