Question Want to upgrade my GPU Radeon RX 560 4gb

[FormingBadger53]

Im trying to upgrade my gpu but im pretty new. Can someone help me out. I have a bunch of questions . Do i need to upgrade something else or only the gpu?
PC SPECS:
Graphics Chipset
Gigabyte Radeon RX560 OC 4G/DDR5/128B, GV-RX560OC-4D
CPU
AMD Ryzen 3 3200G with Radeon Vega Graphics
4 Cores
RAM DDR4 KINGSTON 8gb 2666mhz HYPERX FURY BLACK

 

[popatim]

We need to know which PSU you have too.

 

[FormingBadger53]

We need to know which PSU you have too.

EVGA 450BR