Will a Graphics Card Increase my FPS? (I have a bad CPU that's soldered)

WannaBeCool

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Jul 28, 2014
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Hey guys! I'm new here, and signed up just to ask this question.
I have a really bad computer.
(HP Pavilion P2-1334)


SPECS:
CPU: AMD Fusion E1-1200 (Zacate) Dual Core Processor (Soldered down on the motherboard)
Memory: 4 GB DDR3-1600

You may look here for more specs:
http://goo.gl/84Y1Oe

My CPU has a maximum of 1.4 GHz in the task manager.

Usage:
It's most of the time on 99% CPU Usage, even when I'm not really doing anything.
My RAM is almost all the time at 60% even when gaming.

Gaming Performance:
On lowest settings I get about 30 at the max FPS in Minecraft. Average of 23 FPS.

Plans:
I might buy this graphics card:
Inno3D nVidia GeForce 8400GS 1GB DDR3 VGA/DVI/HDMI PCI-Express x 16 Video graphics Card

Question:
Do you know how much FPS I might get on Minecraft if I buy a graphics card?
Thanks for reading! I hope I get some answers.

(I don't think I can upgrade my CPU because it says on my specs that it's soldered onto my motherboard.)