Can updating a GPU make the CPU run hotter?

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blabetron

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Sep 7, 2014
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Hey guys,

I recently updated my GPU to an ASUS R9 280 (from a Powercolor R7 250) along with a new PSU (EVGA NEX750b 750w modular PSU). Everything works great, except for when I load up a game (ARMA3). After about ~15 minutes, the CPU fan is running really fast (and very loud). This was not the issue before I updated the PSU and GPU. When running MS Office (word, excel) and even SAS Studio, there is no such issue. It appears only when there is heavy graphics application running.

I know it's the CPU fan and not the GPU fan or PSU fan that is causing the extra noise. I opened the case and checked each fan whilst the issue was occuring.

I checked all connections to insure all of the power was securely in place.

Let me know what you guys think could be the issue.

Thanks,
Jonathan

AMD FX-6300
8 GB Ram DDR3 1600
Windows 8
ASUS R9 280
120GB SSD
500GB HD
AMD 760 Chipset
 
Solution
theonerm2


Are you running with higher settings now? Is your case well ventilated? Are vents on the front panel and top of the case? Do you have a good exhaust fan in the back of the case? Your new graphics card might be releasing heat into the case rather than throwing it out the back. Also higher settings means the GPU and CPU both work harder. If you're using a stock heatsink you might want to get a better cooler. Perhaps a Hyper 212 Evo if it can fit in your case. The stock heatsink is barely good enough to cool a lower end CPU.
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theonerm2

theonerm2

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Dec 28, 2009
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Are you running with higher settings now? Is your case well ventilated? Are vents on the front panel and top of the case? Do you have a good exhaust fan in the back of the case? Your new graphics card might be releasing heat into the case rather than throwing it out the back. Also higher settings means the GPU and CPU both work harder. If you're using a stock heatsink you might want to get a better cooler. Perhaps a Hyper 212 Evo if it can fit in your case. The stock heatsink is barely good enough to cool a lower end CPU.
 
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Solution
B

blabetron

Reputable
Sep 7, 2014
3
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4,510



I would say I have fairly decent airflow, 1x 80m fan at the top back, 1x120mm fan in the front.

I am using the stock heatsink and was thinking that would be my end-all solution. I did raise the settings significantly for all game installed. I will try to lower them and see what comes of it.

Thanks for the recommendation on the heatsink. I will start to do some researching into all of that fun stuff.
 
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