Better upgrades? [£150]

Zestaah

Honorable
Dec 6, 2013
27
0
10,540
Need your opinions on upgrading.

I mainly play csgo, and was able to play it at 100 fps low/medium settings, now with new updates I play at around 40, I can spend upto £150 on upgrading, what should I upgrade?
I can't upgrade my ram so thats crossed off :3

Current build (Was a budget build):
PCPartPicker part list / Price breakdown by merchant

CPU: AMD A6-5400K 3.6GHz Dual-Core Processor (£39.94 @ Scan.co.uk)
Motherboard: Gigabyte GA-F2A88XM-HD3 Micro ATX FM2+ Motherboard (£43.98 @ Ebuyer)
Memory: Crucial Ballistix Elite 4GB (1 x 4GB) DDR3-1866 Memory (£36.93 @ Amazon UK)
Storage: Toshiba 500GB 3.5" 7200RPM Internal Hard Drive (£33.00 @ Scan.co.uk)
Video Card: PowerColor Radeon HD 7750 2GB Video Card
Case: Cooler Master N200 MicroATX Mid Tower Case (£31.44 @ Aria PC)
Power Supply: Antec EarthWatts Green 380W 80+ Bronze Certified ATX Power Supply (£37.95 @ Ebuyer)
Total: £223.24
Prices include shipping, taxes, and discounts when available

I appreciate any replies :D
 

Zestaah

Honorable
Dec 6, 2013
27
0
10,540