Looking to upgrade my computer for gaming

[Sticks09]

Hello all! I thought I would head over this way for some help upgrading my computer so I came to the best! Any input would be great!

Approximate Purchase Date: Roughly about 4 years.

Budget Range: (e.g.: 300-400) I have about 700 I can spend before rebates and after shipping.

System Usage from Most to Least Important: I mainly use my computer for gaming.

Are you buying a monitor: Yes down the line if its deemed a current issue

Parts to Upgrade:
- Power Supply = Corsair TX 650 W (Only would upgrade if necessary)
- NVIDIA GeForce GTX 660 Ti
- AMD Phenom (tm) II X6 1090T Proccessor 3.2 GHz
- gigabyte GA-990XA-UD3
- 16.0 GB RAM (I do not believe I would need an upgrade at this point)
- Windows 7 OS 64 Bit


Do you need to buy OS: No


Preferred Website(s) for Parts:newegg.com

Location: Spokane, WA USA

Parts Preferences: by brand or type (e.g.: I would like to upgrade to Intel CPU)
I honestly believe I'll have to avoid Intel as generally their processors are in the upper range. I usually prefer NVIDIA graphic cards but I'm open to other suggestions.

Overclocking: Currently I do not believe I am

Your Monitor Resolution: 1920x1080

Additional Comments: Currently I play Arma 3, League of Legends, XCOM 2, Killing Floor 2, Civ V and the total war games.

And Most Importantly, Why Are You Upgrading: Biggest reason is I'm having trouble playing Arma 3

Thanks for the help gentlemen! I appreciate the help!

 

[ak47jar3d]

I would upgrade processor fx 8320 and graphic card to 390. It will massively improve performance in arma.

http://www.amazon.com/AMD-FD8320FRHKBOX-FX-8320-8-Core-Processor/dp/B009O7YU56/ref=sr_1_1?ie=UTF8&qid=1455862228&sr=8-1&keywords=fx+8320

http://www.amazon.com/MSI-R9-390-GAMING-8G/dp/B00ZGF0UAE/ref=sr_1_1?ie=UTF8&qid=1455862302&sr=8-1&keywords=390