AMD A8-3870K Black Edition APU Review

CPU by stefan @ 2012-04-30

The Black Edition A8-3870K APU from AMD is aimed at the mainstream market and offers enough performance for occasional gaming at lower resolutions, other multimedia activities or office work, this without the need to buy a dedicated video card. Thanks to the unlocked multiplier, overclocking becomes much easier than before and the performance gains after this operation are quite surprising.

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Test Setup and Extra Info

Test Setup:


CPU: AMD A8-3870K Black Edition APU

CPU Cooler: Xigmatek Aegir

Motherboard: ECS A75F-A

RAM: Exceleram EP3001A PC3-10666 2x2GB

Video: IGP

Power Supply: Nexus RX-1.1K Gold

HDD: Seagate Barracuda 320GB 7200.10


With the help of AIDA64 utility, we could extract some more information regarding the Fusion platform components:


A8-3870K BE CPU



ECS A75F-A Motherboard






AMD A75 Chipset



AMD Radeon HD 6550D (IGP)



Here are the reports gathered with the latest version of CPU-Z, with the APU at stock speed:












With the voltage upped at 1.49V inside the UEFI interface, the APU could be overclocked up to 3742MHz, fully stable in Prime95 for an hour:



With the APU base clock modified at 110Mhz, the IGP frequency has been also raised to 680MHz; inside the motherboards' UEFI, we have had raised the frequency even more, till we have reached 720MHz:




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