Help with Arma 2 and arrowhead

[a.shephard]

i have arma 2 the complete pack and i want to be able to upgrade my comp to run arma 2 better.

my budget is $150-$200




heres my set up currently

Processor:AMD Athlon(tm) II X4 640 (4 CPU's) ~ 3.0 GHZ

OS: Windows 7 Home Premium 64-bit 6.1, build 7601

System Model: p6754y

Memory: 4096mb ram

DX 11


Graphics card: NVIDIA Geforce 8600 GT

Approx memory: 2031 MB



NOTE: i used DX diag



thanks to those who try and help

[LITOralis.nMd]

Your PC specs:

Product information HP Pavilion p6754y Desktop PC | HP? Support

This (Should) be your motherboard specs:

Motherboard Specifications, N-Alvorix-RS880-uATX (Alvorix) HP Pavilion p6754y Desktop PC | HP? Support

Upgrade Information
Processor upgrade information

Max TDP: 95W

Motherboard supports the following processor upgrades:
NOTE:
Only Socket AM3 processors are supported with this motherboard.

AMD Phenom II X6 10xxT Six-Core (Thuban core)

AMD Phenom II X4 9xx/9xxe/8xx Quad-Core (Deneb core)

AMD Phenom II X3 7xx/7xxe Triple-Core (Heka core)

AMD Phenom II X2 5xx (Callisto core)

AMD Athlon X4 6xx/6xxe (Propus)

AMD Athlon X3 4xx/4xxe (Rana)

AMD Athlon X2 2xx/2xxe (Regor)

AMD Sempron Single Core 1xx (Sargas core)
Memory upgrade information

Dual channel memory architecture

Four DDR3 DIMMs (240-pin) sockets

PC3-8500 (DDR3-1066)

PC3-10600 (DDR3-1333)

Non-ECC memory only, unbuffered

Supports 1GB, 2GB, and 4GB DDR3 DIMMs

Supports up to 16 GB on 64-bit systems

Supports up to 4 GB on 32-bit PCs
*32-bit PCs cannot address a full 4.0 GB of memory.

The TDP is important,
go here:
AMD Phenom? II Processor Model Number and Feature Comparisons
Find best 95W TDP AM3 CPU you can, and try to find on the market.

You should update the BIOS:
Updating the BIOS HP Pavilion p6754y Desktop PC | HP? Support

To stay on budget you'll have to find a good balance between the CPU cost and upgrading the GPU.

Arma 2 is very dependent on clock speed of the CPU, Arma3 is more dependent on GPU and the number of cores in the CPU.