Will no longer using a CPU's integrated GPU help reduce its temperature?

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someguy1231

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Dec 27, 2014
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I'm currently using an A-10 6800k quad-core 4.1ghz processor, and I have no dedicated video card so I've been using the processor's integrated GPU (a Radeon HD 8670).

However, I've finally ordered a dedicated video card, and I'm wondering whether no longer being reliant on the processor's integrated GPU will help reduce its temperature. Its current temperatures are pretty much normal (40-45C idle, 55-60C loaded), but I'm considering overclocking once I get my new graphics card, since my CPU will be my bottleneck once it's installed. (Plus, I've always been a bit paranoid about my comp's temps for some reason).
 
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Kitt Sue
Yes, temperatures will be slightly lower with the integrated GPU disabled. It won't be a huge margin since the GPU portion of the APUs doesn't consume that much power (and thus doesn't produce that much heat), but yeah it'll be a few degrees C cooler. However if the A10-6800K is a bottleneck for whatever GPU you're using, overclocking it won't make a huge difference. Chips based on the Bulldozer architecture usually don't scale too well with overclocks because once they get to the neighbourhood of ~3.5GHz the limiting factor is the shared resources of cores and the slow cache speeds (these result in stalling, where a core cannot work on a thread because it has to wait for response from cache or for other core to stop using resource it...
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Kitt Sue

Kitt Sue

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Apr 8, 2015
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Yes, temperatures will be slightly lower with the integrated GPU disabled. It won't be a huge margin since the GPU portion of the APUs doesn't consume that much power (and thus doesn't produce that much heat), but yeah it'll be a few degrees C cooler. However if the A10-6800K is a bottleneck for whatever GPU you're using, overclocking it won't make a huge difference. Chips based on the Bulldozer architecture usually don't scale too well with overclocks because once they get to the neighbourhood of ~3.5GHz the limiting factor is the shared resources of cores and the slow cache speeds (these result in stalling, where a core cannot work on a thread because it has to wait for response from cache or for other core to stop using resource it needs).

That said overclocking will still provide some performance improvement and there's no reason not to OC if you have the option, just make sure you have an aftermarket cooler. You won't have a good time increasing the voltage on stock cooling.
 
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