Need Help Asap, Planning to Upgrade my Processor and GPU

zRudeBoi

Honorable
Feb 1, 2014
32
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10,530
Im new here my first post so.. Yeah
SO i'm planning to Upgrade my processor to "AMD FX-4300" and GPU to "Sapphire AMD/ATI Radeon HD 6670 1 GB DDR3" Rest of the Rig is :-

Gigabyte GA-78LMT-S2PT
4GB DDR3 RAM
Zebronic ZEB-450 Gold 450 Watts PSU
AOC 18.6" LED Monitor

So i know my PSU is CHeap but will it be able to handle the graphic card ?Cuz as far as ik the GPU doesn't require addition power from the PSU.

Can you also suggest me a Good Graphic card Around 5-7k INR. This site --> www.flipkart.com

Thanks,