Help Upgrading Graphics Card (GPU) in PC

  MichaelRawlings 16:23 21 May 15

I'm wondering if anyone could help me.

I have a 4 year old acer aspire M3920.

It has a Intel Intel Core i5-2300 2.8GHz.

3GB of ram.

An Asus 5450 Graphics card with 1GB of ram.

(I think it toatls 4GB)

A 300 watt power supply.

I know practically nothing about building and upgrading PC's, and i'm wondering if my PC is good enough to be upgraded with a graphics card like the GTX 750 Ti, or any decent graphics card. I dont want to spend much over £100 on the card. Also is it worth upgrading the Power supply unit or the RAM?

I want to play games like H1Z1, CS:GO, GTA V, Battlefield and other FPS games. I also do video and photo editing, so would upgrading the graphics card improve video rendering speed?

Thanks alot for any help

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