Hey guys, I have a computer I use mostly for gaming.
It's about 4 years old and had someone build it for me. I know absolutely nothing about computers

Anyway I was hoping to upgrade my video card to a really nice one but I was told I would probably have to upgrade other parts of my PC as well. Can anyone give me some advice and dumb it down significantly? I really don't understand computers.

PCPartPicker part list: http://ca.pcpartpicker.com/p/Z9Vf3C
Price breakdown by merchant: http://ca.pcpartpicker.com/p/Z9Vf3C/by_merchant/

CPU: AMD FX-4100 3.6GHz Quad-Core OEM/Tray Processor
Motherboard: Asus M5A97 ATX AM3+ Motherboard ($163.99 @ Amazon Canada)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1333 Memory ($72.99 @ Canada Computers)
Video Card: Asus Radeon HD 6850 1GB Video Card
Case: Thermaltake Core V41 ATX Mid Tower Case ($112.80 @ shopRBC)
Power Supply: Corsair CX 750W 80+ Bronze Certified Semi-Modular ATX Power Supply ($104.98 @ NCIX)
Total: $454.76
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-01-30 22:30 EST-0500

Edit:

I don't really have a budget because I don't really know how many parts I have to replace, but hopefully no more than 600-700 dollars

I am hoping to play Ark: Survival Evolved on at least high settings, epic would be amazing though.

This post was edited by Twist on Jan 30 2016 09:39pm

Should add a budget and what game you play or want to play. That way people know what they are working with.

Updated!

wrong link
http://pcpartpicker.com/p/rT9hNG
http://pcpartpicker.com/p/DckJQ7

depends on the route you want to take

This post was edited by Penguins0690 on Jan 31 2016 02:53am

if you wanyted to do minimal updates, with a boost in performance (sticking with AMD):

http://ca.pcpartpicker.com/p/XzDmYJ

your processer is okay, saying it will do the job to run everything as required; up to you wether you want to upgrade it or not..

however.. your ram and vid card definately need to be upgraded.. everything else is fine

e/ i dont think you even really need to go as high as a 390.. im sure a 370/80 would be more than enough for your needs

This post was edited by Canadian_Born on Jan 31 2016 05:53am

Most of your parts are quite okay.
I would not spend to much on this build since it wont become an epic gaming mashine anyway.
I would go with the parts Canadian_Born suggested, but you can save the 75$ on the RAM. It simply does not effect gaming performance. -> https://www.youtube.com/watch?v=dWgzA2C61z4

oh, i didn't see the canada part
woops

His 8gb of ram is fine