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something wrong with phenom ii x4 955, is it just me or is it bottlenecking my system

post #1 of 22
Thread Starter 
hey everyone,

ive been testing out my system for bf3, and i think ive noticed that my cpu is bottlenecking my system, even though it shouldnt. ive tested with both my cpu at stock MHz and at 4.0 GHz

on modded crysis: 30-40 fps 1268*768(i think) crossfire gpu's(40%), cpu(100%)

on battlefield bad company 2: 100 fps 1600*900, crossfire gpus( 30-40%), cpu (98 - 100%)

on battlefield 3: 25 - 40 fps: 1440*900 crossfire gpus ( 40%), cpu(100%)

on the witcher 2: 1660*900 crossfire gpus( suprisingly 55%), cpu (1st core: 180-90%, 2nd core: 80-90%, 3rd core: 30%, 4th core: 60%)

i dont know what to make of this, i dont understand how a cpu that people tell wont bottle neck my system, is well... bottle necking my system(at least, from what ive read online at what bottle necking is)

i used msi afterburner to see gpu stats and used task manager to view cpu stats.
    
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post #2 of 22
If the FPS and CPU/GPU usage are constant (i.e. the values you listed are not spikes), that denotes a bottleneck. Looks like you may have one.
Try OC-ing the Northbridge (or CPU-NB) and see if that increases your FPS. It should by quite a bit, by unlocking bandwidth.
post #3 of 22
Well, as you know the basic definition is the CPU maxed out at 100% before the GPU does. Although this varies from game to game, you should generally not see that happen.

In your case, it seems to be happening. The 6870's are very strong when crossfired, so it is very possible.

Have you installed all the latest drivers? BF3 should definitely be using every available MHz from your GPU's before even touching your CPU.
    
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post #4 of 22
Thread Starter 
oh ok, i will definitely do that. ive been using AMD overdrive to oc my cpu for now since when i try to do it in the BIOS, it looks pretty complicated. could i do it in AMD overdrive?

is there a difference from doing it in AMD OD, from doing it in the BIOS?

yea they arent spikes, i played for about 10 mins each game and it was a nice horizontal line for the most part.

@karmuhhhh: yea i do have the (11.9)latest drivers installed, i will probably reinstall them though after doing safe mode and driver cleaner though. just to make sure that isnt it.
    
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post #5 of 22
Hey, I have a thread just like this except my 3core phenom II is going between 90-100% and my GPU was 30% 560 ti but I turned everything to ultra and it was 99% from there on

I was thinking of upgrading to a 4core to fix my problem too.
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post #6 of 22
Overclock CPU to 3.8 ghz or higher and overclock NB to around 2.4 to 2.6. Leave HT speed alone. That won't boost performance.
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post #7 of 22
Witcher 2 is supposed to be much more CPU intensive than BFBC2 or BF3, it's odd that your processor wasn't maxed out there though. I don't think you can OC the NB in Overdrive, you will more than likely need to use your bios configuration.
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post #8 of 22
I got a 970 AMD PHENOM II oc usually to 4.1ghz no lag in any Crysis 1 or 2 or BF2
usually at 40-60% for cpu and 99% for gpu only a single gtx 560 ti.
post #9 of 22
How many process's are you running in the background.
post #10 of 22
Thread Starter 
besides the task manager and msi afterburner, none that i can think of. i might have had the internet open to look at OCN threads during the time between switching games though
    
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