Lowering temp of OC'd AMD Phenom X4 955

I have the CPU at 4.0 GHz (250x16)
Vcore at 1.48V,
Nb at ~2500 MHz @ 1.15V,
HT at 2000 MHz,
RAM at 1667 MHz @ 1.65V

Everything runs stable using Prime95 but under load it hits a max of 60 degrees celcius which I've read is not recommended. Is there a way to decrease the temperature but keep the 4.0GHz? Or will I have to overclock it less?

CPU: AMD Phenom II X4 955 3.2GHz
Motherboard: ASUS M4A89GTD PRO/USB3
RAM: 4GBx2 G.Skill Ripjaws 1600MHz
Cooler: Noctua NH-D14

EDIT: I lowered RAM voltage to 1.5V and it's currently hovering at 59C
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  1. Best answer
    The max temperature recommended by AMD is 62c, so you'r just under the threshold.

    Try lowering the voltage as low as it can go before it becomes unstable.
    Try and ensure case airflow is sufficient, dont want hot air cylcling back through the cooler.

    Other than that I think you will either have to back off the overclock or upgrade your cooling. From a Noctua Nh-D14, the only real upgrade you could make would be custom water-cooling.
  2. Would there be any benefit from decreasing the fsb and having a higher multi?
  3. Dont entirely know, I never got into the nitty gritty of overclocking so I couldn't tell you. Most I can say is experiment, see if it actually does help.
  4. Just a side question, the frequency in the BIOS and that listed in the program 'Core Temp' differ. Which one should I trust?
  5. Best answer selected by Karpin.
  6. Remember that in Coretemp your frequency is in Mhz, while in the BIOS its Ghz. So the different numbers will still mean the same thing.
    Also that your frequency will fluctuate at idle or light usage, the processor downclocks itself when not in use to save power (unless you force a constant frequency).

    After the above (under Prime95 and have converted it to Ghz), is it a large difference? I find that Coretemp is a few Mhz off. I would trust the BIOS.
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