gta 4 computer upgrade

[Dabos123456]

Hello what should i upgrade in my PC to run GTA 4 without lags becouse now its lagging like a hell
My spec:
OS: Windows 7 Home Premium 64-bit
CPU: Intel Pentium 6700 3,20 Ghz
Motherboard: Asrock G41C-VS
GPU: Asus AMD Radeon HD 7770 1GB GDDR5
RAM: 4,00GB Dual-Channel DDR3 398MHz
PSU: Evolve Pulse 550W
HDD: 149GB SAMSUNG HD160JJ ATA Device (SATA)

 

[ddbtkd456]

What is your budget? I can do amazing things as long as I know numbers.

 

[Dabos123456]

What is your budget? I can do amazing things as long as I know numbers.

nothing very expensive just to play this game at solid FPS without lags i dont want anythink more
my budget is about 150€ + -

 

[ddbtkd456]

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: AMD Athlon II X4 750K 3.4GHz Quad-Core Processor (£57.30 @ Scan.co.uk)
Motherboard: ASRock FM2A75 Pro4-M Micro ATX FM2 Motherboard (£59.08 @ Amazon UK)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-1866 Memory (£52.99 @ Amazon UK)
Total: £169.37
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-10-03 20:56 BST+0100)

It will run alot better with that set up.

 

[Arjun_Arj]

Turn down shadows to low, ul get a majo fps boost like 10+