Would a 450 watt be fine for A HD 7850 2GB GDDR5

Gepang

Honorable
Dec 17, 2013
15
0
10,510
Currently Have
CPU; AMD FX-6350
RAM;8GB DDR3
Motherboard;ASUS M5A78L-M/USB3
GPU;XFX Radeon HD 6670 2GB DDR3
PSU;Corsair VS450

As the title suggests I would like to upgrade my GPU and I'm wondering would my PSU do the trick.

Thanks in advance,
Seán