OC'ing the Phenom II 955

Recently during gaming sessions I see that the CPU reaches 89-100% usage causing my game to lag for a couple of seconds every couple of minutes, I got told it's worth OC'ing as my processor is getting quite old compared to newer ones. How would I go about OC'ing, i've never done and hence why I come here for help off professionals :)

I've turned prime95 on for a couple of minutes now while having all of the things on the startbar open and i'm getting around 50 degrees on stock clocks etc, is it even safe for me to OC with these temperatures as i've not got a clue in the slightest.


It's on 50-51 degrees right now.

Tips and advice would be highly appreciated :)


AMD Phenom II x4 955 3.2Ghz
4GB (2x2GB) PC10666 DDR3/1333mhz Dual Channel Memory
Asus GTX 660TI DirectCU II 2GB GDDR5
CoolerMaster Elite 500watt Gaming Power Supply
1TB SATA-II 3.0Gb/s 16M Cache Hard Drive
Asetek 510LC / Xtremegear Liquid Cooling system w/ 120mm Radiator

I was also thinking about completely getting rid of the liquid cooling system and just getting a fan or 2 instead, any advice on this? Thank you :)
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  1. this should be a handy guide for you http://www.tomshardware.com/reviews/overclock-phenom-pentium,2366-8.html
    as for changing your liquid cooling it seems to be doing the job the only reason i'd see for changing it is if you feel the fan is too loud
  2. Alright thanks for this, i'm playing Farcry 3 right now and i'm at around 59-61 degrees, is it still worth overclocking? I'll keep the voltage stock at 1.35V but raise the multiplier at x18 for an apparent stable 3.6Ghz.
  3. id stop playing right now i think amd list the safe limit for that cpu as 62c ive just noticed you said prime95 for a few minutes you need to do around an hour anyway for a decent test but you don't ever want to reach over 60c on full load,
    you may need to look into your cooling system as to why such high temperatures on stock clocks
  4. just to be clear DO NOT overclock until you get your temperatures down
  5. Okay, thank you :)
  6. I'll probably just clean out the dust out out of the radiator.
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