Unstable FPS Battlefield 3

Hey,

I am having really low performance in Battlefield 3.

Here are my specs:

CPU AMD Athlon II X3 450 3x 3.20GHz So.AM3 BOX
DDR3 4GB (2x 2048MB) Kingston ValueRAM DDR3-1333 DIMM CL9-9-9-24 Dual Kit
VGA 1024MB Sapphire Radeon HD 6850 Eyefinity GDDR5 PCIe LITE RETAIL
PSU 400W Cougar A Series A400 80+ Bronze
MB Gigabyte GA-870A-USB3 (870,AM3,ATX,DDR3,AMD,EuP)

I checked the temps, they seem to be fine. My graphic settings are set to low, V-Sync is off.
I tried to cap my fps to 40, it works fine on really small maps, but its unplayable on anything else.
My graphics driver is up to date.

Any ideas?
6 answers Last reply
More about unstable battlefield
  1. hum damn your system seem to be very nice to bf3 try using a game boost to use all that power only on the game, i use game booster 3 its free and nice
  2. try the bf3 configurator. turn off dx11 and your performance should pick up. also go into audio on windows and turn off special effects if its enabled.
  3. at what resolution are you playing? whats your average fps?
  4. My FPS is usually 40 (which I capped it to), but it drops like crazy very frequently, here is a screenshot.

    http://i.imgur.com/uVfRO.jpg

    I am "playing" on 1280x720 atm.
  5. going by that picture you seem to have a bottleneck somewhere... your cpu and gpu usage are very low. try increasing the screen rez if your monitor will allow it. then turn the settings up to high and blur on but set low.
    if you cant increase the res increase the higher end settings. and see if your gpu usage jumps up. if it doesnt then over clock the cpu to 3.6 if you can.(as long as you have the required cooling, ie none stock cooling)
  6. does it do it on all maps, or just heavily populated ones?

    i'm thinking cpu is a little weak.
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