AMD A10-5800K Trinity Desktop APU w/ Socket FM2 Performance Preview

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Temperature Testing

It’s tough to do temperature testing without a thermo chamber, but the least we can do is show you the temperature numbers we saw on the AMD A10-5800K APU as we tested it. 

AMD A10-5800K APU

AMD told us that they are not changing the CPU coolers on their A-Series APU’s, so all the Trinity based processors come with the same low-cost cooler that came with all the Llano APU’s.  This CPU cooler is all aluminum with a small and quiet fan on them.


When it comes to performance it is so-so, but that is to be expected as has no copper base plate or heat pipes. For testing we used this 4-pin fan with all the settings at ‘AUTO’ in the BIOS.

AMD A10-5800K APU Idle Temp

The ambient air temperature in the room was 75F or 24C. The Gigabyte EasyTune6 software showed that our CPU had a temperature of 17C at idle with the fan spinning at ~1750 RPM. This is odd as it was below the room temperature, but remember CPU voltage is derived from the voltages inside the processor, so things are always a bit funky with temperatures.

AMD A10-5800K APU Load Temp

To get load temperatures we fired up Prime 95 and ran the torture test for half an hour. We used the “In-place large FFTs” test, which we feel is the best test to run for heating up processors. The CPU quickly topped out at 61C at ~3200 RPM. The CPU temperature fluctuated around 58-61C for the hour that we ran Prime95 64-bit.  No errors were encountered. It appears that the factor HSF is good enough, but an aftermarket cooler would help lower temps and reduce the noise. 

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