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REVIEW / Review: AMD A8-3870K


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Régis Jehl Published on February 14, 2012
Updated on February 14, 2012
Translated by Catherine Barraclough


  • Socket FM1
  • Number of cores 4
  • Clock rate 3 GHz
  • Cache 4 MB
  • Thermal Design Power 100 W
  • Technology 32 nm
A step up from the A8-3850, the AMD A8-3870K APU has a slightly higher clock speed, at 3 GHz compared with 2.9 GHz for the lower-end model. The rest of the tech specs are identical, however, with four cores, no Turbo mode and no alternative to Intel's Hyper-Threading.

This slight boost in clock speed does improve performances slightly—by about 3% on average. This processor therefore comes in about equivalent to the now 'old' Core i3 560, and well below the Core i3 2100. The AMD A8-3870K and Intel's Core i3 2100 sell for similar prices, but graphics performances aren't quite as good in the Intel processor since AMD's APU has a graphics chip built-in. Note, however, that the integrated graphics chip doesn't mean that gamers can do away with a dedicated graphics card (not according to our tests, anyway).



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and compare this processor with others

For more information about AMD's A-Series four-core APUs, see the detailed product overview in our review of the AMD A8-3850.
Power Use Performance: Applications Performance: Games


  • Absolute performance of integrated graphics chip


  • Power use
  • Processor could be faster


AMD has made a great step forward with its APUs thanks to a much improved graphics processing unit. However, gamers would still need to use a separate graphics card alongside this APU. Plus, pure processing performances lag behind the competition.
3 AMD A8-3870K DigitalVersus 2012-02-14 15:42:00
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