Hello , I have this pc specification and need help since im not good at buying thing regarding pc component but i want my current pc to become gaming pc not profesional 1 but at least can play game like BF3- BF4 or battlefield 1, but i mostly play world of warships PC spec intel i5 750 2.67Ghz window 7 ultimate 6gb ram ddr3 current gpu asus r7 250x 1gb ddr5 psu cooler master 400watt, motherboard intel s3420 gp hardisk wd 1tb sandisk ssd 120gb for window i have budget around 300- 400 for gpu and psu so any answer i sincerely give thank you I would probably go GTX1050/1050TI, you dont even have to buy a new GPU. Any GPU with more power will be greatly limited by your CPU.