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AMD A10 5800k overclocking with Cooler Master Hyper 212 EVO

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July 25, 2014 12:57:54 PM

I currently have an AMD A10 5800k set to clock speeds. I have purchased a Cooler Master Hyper 212 EVO (120mm) and wish to overclock the APU. NOTE- The heat sink will pull air rather than push air (I have read that I will not lose much performance with this configuration) and will be positioned towards the back of the case because I only have two DIMM slots and one will be in the way (I have corsair vengeance ram with the tall heat spreader).

What sort of overclock will I be able to get with this, what temperatures do I want to keep it inside when stress testing and what is a safe voltage to overclock with? Also, CoreTemp does not work on my Trinity APU, and will have to use MSI Control Centre to measure temperatures (this can only measure the CPU temperature not individual cores) is this OK?
a b K Overclocking
July 25, 2014 1:11:59 PM

What will you OC? Do you want more graphics performance of CPU performance? Because for the former, graphics card speed is dependent upon memory speed... of your RAM, since the card uses RAM instead of its own memory in order to fit it in the APU.
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July 25, 2014 1:15:21 PM

I am interested in clock speed and am not too bothered about graphics. I have 2x4GB Corsair CMZ4GX3M1A1600C9 1600MHz CL9 DDR3 Vengeance Memory.
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a b K Overclocking
July 25, 2014 1:20:38 PM

Do it slowly and carefully, one step at a time, once increment in frequency at a time. As soon as it gets unstable, get the volts up for one increment then continue with frequency.

You can keep doing that until you either reach a satisfying frequency, cannot get a stable oc anymore no matter what the circumstance or are unable to cool the system anymore.

But you know you do this by your own responsibility. If your CPU fries, I WILL gloat.
Have a nice day!
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July 25, 2014 1:23:44 PM

BigBadBeef said:
Do it slowly and carefully, one step at a time, once increment in frequency at a time. As soon as it gets unstable, get the volts up for one increment then continue with frequency.

You can keep doing that until you either reach a satisfying frequency, cannot get a stable oc anymore no matter what the circumstance or are unable to cool the system anymore.

But you know you do this by your own responsibility. If your CPU fries, I WILL gloat.
Have a nice day!


What are safe temperatures for this APU? What clock speed do you reckon I could get. What is the maximum voltage I can give it and still be safe?
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a b K Overclocking
July 25, 2014 1:32:50 PM

There is no such thing as safe in terms of overclocking. OC means pushing the chip past the manufacturer's limits it was designed to perform at and it's guaranteed to at least shorten the lifespan of your CPU.

There are multiple claims as to what the "safety" margin for OC might be. Some say its 10%, others say as far as you can push it without having to raise the voltage.

As for the temps, anything below 65°C under max load should be manageable, but try and keep it below 60°C if you do lots of prolonged CPU intensive sessions such as gaming and complex video rendering.
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a c 76 K Overclocking
a b À AMD
July 25, 2014 8:30:58 PM

What motherboard do you have?
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a b K Overclocking
July 26, 2014 12:41:36 AM

I'm not telling, its a secret!:lol: 

Seriously though, you're staring at the answer.
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a c 76 K Overclocking
a b À AMD
July 26, 2014 5:32:53 AM

Well, if he doesn't have a properly equipped motherboard, all the cooling and precautions in the world won't help him. Hopefully, he experiences throttling, and not a catastrophic failure.
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July 26, 2014 6:04:43 AM

I have an msi fm2-a75ma-e35 sorry, forgot to add this...
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a c 76 K Overclocking
a b À AMD
July 26, 2014 6:13:11 AM

That motherboard only has a 4+1 phase VRM, and it also lacks heatsinks on the VRM. I would avoid overclocking with that board. If you put some active cooling on the VRMs, you could make an attempt at a small overclock, but it may be best to avoid.
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July 26, 2014 7:30:00 AM

How would I cool the VRM? Where can I buy the parts?
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July 26, 2014 8:59:39 AM

Would it then be safe to overclock?
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a c 76 K Overclocking
a b À AMD
July 26, 2014 9:19:23 AM

I think it would be acceptable for a nominal overclock - but, really, we're back to what BigBadBeef said. Overclocking is an uncertain endeavor where you're pushing your components beyond their guaranteed specifications. Warranties will be voided, and all risk is in your hands - so don't complain if you damage your components.
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July 26, 2014 9:51:29 AM

What is a normal overclock for what I have? Stock speeds for my APU are 3.8GHz.
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a c 76 K Overclocking
a b À AMD
July 26, 2014 10:11:44 AM

Do you have TurboBoost enabled? Does your CPU turbo up to 4.0 or 4.2 ghz?
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July 26, 2014 2:54:29 PM

It turbo's to 4.2 GHz
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a c 76 K Overclocking
a b À AMD
July 26, 2014 8:46:32 PM

Take note of the Voltage (Vcore, CPU Voltage, whatever it is labeled) and you can probably use that as a basic for your overclock.

You can try increasing the multiplier, or base clock, to see if you still have stability with that voltage, but I would not increase the voltage anymore beyond what the Turbo has listed when under use.

That's kind of the cheap/quick-n-easy way to do it.
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July 27, 2014 1:10:49 AM

Calculatron said:
Take note of the Voltage (Vcore, CPU Voltage, whatever it is labeled) and you can probably use that as a basic for your overclock.

You can try increasing the multiplier, or base clock, to see if you still have stability with that voltage, but I would not increase the voltage anymore beyond what the Turbo has listed when under use.

That's kind of the cheap/quick-n-easy way to do it.


OK, so if I add the heat sinks onto the VRM's I should be all good to go (I know there are still risks)?
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a c 76 K Overclocking
a b À AMD
July 27, 2014 7:09:42 AM

Heatsinks and/or direct airflow over the VRMs, yes.
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