Short of a complete upgrade, changing your GPU will make a big difference. Dependant on money a Radeon RX 570 or 580 or GTX 1660 or GTX 1660Ti....other than that a complete motherboard, RAM and CPU change to something like this:
The Ryzen 2600 is at such a good price at the moment so if you are on a budget, the 2600 is a lot of CPU for the money
PCPartPicker Part List:
https://pcpartpicker.com/list/BsNV8Y
CPU: AMD Ryzen 5 2600 3.4 GHz 6-Core Processor ($117.90 @ OutletPC)
Motherboard: MSI B450 TOMAHAWK ATX AM4 Motherboard ($111.89 @ OutletPC)
Memory: Corsair Vengeance LPX 16 GB (2 x 8 GB) DDR4-3200 Memory ($69.98 @ Amazon)
Storage: Crucial P1 500 GB M.2-2280 NVME Solid State Drive ($66.85 @ OutletPC)
Total: $366.62...