Solved

Overclocking AMD Athlon ii x4 640 -3.00GHZ stock

Hey everyone ,

I am new to overclocking so will try to include all of the information required :D

I want to know how the over clock to say 3.3Ghz to -3.6Mhz or evven more depending on temps, I am wanting to overclock to i can render a bit faster but don't know how, Any help would be appreciated

Here is a list off all of my main parts-

CPU ------------ AMD ATHLON ii X4 640 - 3.00GHz stock
MOBO --------- ASUS M5A97 LE R2.0
HEATSINK ---- ARCTIC XTREME REV.2 - Running at 15℃ idle - 20℃ with chrome and Skype
RAM ----------- Corsair XMS3 1600 MHz
GPU ----------- AMD HD 6670 2GB
5 answers Last reply Best Answer
More about overclocking amd athlon 640 00ghz stock
  1. Don't overclock that CPU. I had an Athlon II x4 630, and I tried once but it's not good for lower end CPU's like the Athlon II.
  2. TwistedFury said:
    Don't overclock that CPU. I had an Athlon II x4 630, and I tried once but it's not good for lower end CPU's like the Athlon II.

    Okay thanks for the heads up , I know what i'm about to ask should be in another subject but what CPU would you recommend upgrading to ? Price as cheap as possible but with good performance ( i Tend to play a few games and render a lot)
  3. Best answer
    extreametech said:
    TwistedFury said:
    Don't overclock that CPU. I had an Athlon II x4 630, and I tried once but it's not good for lower end CPU's like the Athlon II.

    Okay thanks for the heads up , I know what i'm about to ask should be in another subject but what CPU would you recommend upgrading to ? Price as cheap as possible but with good performance ( i Tend to play a few games and render a lot)


    Get the FX-6300, it's what I have and it's a huge step up.
  4. You actually can overclock it. I just got one this week (just to mess around with) and had a fantastic time getting it to 3.644 stable.

    First thing to do is turn off core c1, cool n quiet and loadline calibration. Then underclock you RAM and FSB. After that begin raising you base frequency by 5mhz. After that see if you post into windows. Keep retrying till you can no longer boot to windows (make sure you underclock on your RAM and FSB so that they never go above stock).

    Once you rach that point, raise the voltage by .025v. Make sure not to go over 1.45v. Continue raising your base frequency by 5mhz till you can no longer boot to windows. Drop it back down to last setting. Then boot to windows and run a stress test. If it passes and temps stay low (I hope you have a decent aftermarket cooler) then congrats! If not keep dropping your base freq by 5mhz till u get a stable overclock.

    Note: run prime 95 for at least 5 hours to find a stable overclock.

    Once you have done that you can raise your RAM amd FSB back to the closest you can get to stock settings. (just over is alright, but you will have to rerun your stress test to make it stable).

    Once you have that dialed in your are set. Most of these cpu's can't get over 3.6ghz/base freq 240. I got mine to 243 stable. Have fun!

    P.S. - keep an eye on your hyper transport. I kept mine at auto and it seamed to work fine but I really dont care a whole lot about my rig but if you want to keep it make sure you dont overclock you hyper transport.

    To give you an idea of performance increase, it beat my a10 6800k clocked at 4.7ghz in cinebench. I dumped my a10 rig after seeing that. Good Luck!
Ask a new question

Read More

Overclocking m5a97 AMD 640 Asus