300$ GPU upgrade

[Qwertyuiop]

my reference would be local stores nearby(im from philippines), so i dont have alot of choices considering that im on a tight budget(300$=somewhere 14,000 in php) 
got my eyes on sapphire nitro+/msi rx480 8gb. this is my 2nd gpu and im no pro when it comes to pc parts so it would be awesome to get your opinions 

this is my current setup
 

Monitor: AOC 22" led monitor 60hz

CPU: AMD athlon x4 trinity

RAM: 8gb ddr3 = 4/4 1600mhz

Motherboard: Asrock FM2A58M-VG3+ 3.2ghz (micro atx)

GPU: his radeon hd 7750 1gb

PSU: seasonic m12 evo series 750w

SSD: kingston v300 120gb

HDD: toshiba 1tb 7200rpm 32mb cache

Case: NZXT S340

Cooler: deep cool ice blade pro v2

Keyboard: corsair strafe

Headset: hyperxcloud

Mouse: steelseries rival

 

will upgrade the cpu to i5 6500 skylake 3.2ghz

motherboard to msi h110m pro-vh
ram to ripjaw 16gb ddr4 2400 2x8gb

so i cant extend my budget, the only thing that im missing is the gpu, what should i get? if rx480, what brand is better? msi here in ph is a bit cheaper compared to sapphire.

im open for suggestions, thanks!

 

[HKZeroFive]

I would get a GTX 1060 6GB instead. Considerably faster than the RX 480.

 

Any brand is fine.

[SnowyMus]

The RX 480 does have better price to performance than a GTX 1060 6 GB, but if your budget is $300, I'd get the GTX 1060. You'll get better all-around performance.