Introduction

A few months ago, AMD released a refresh of their popular Kaveri APUs and along with that, they released the Athlon X4 845 CPU. The Athlon X4 845 is the most interesting chip AMD has released thus far because this is the first desktop processor featuring the company’s new 28nm Excavator architecture technology, an updated version of the Steamroller architecture featured on Kaveri processors which launched in June 2014.

AMD’s Athlon X4 845 utilizes the FM2+ socket and it is based on the Carrizo die with the GPU and FCH (Fusion Controller Hub) disabled. The Excavator architecture technology is the company’s final revision of the Bulldozer family and will accompany us until 2017. The next generation architectures that will replace the Excavator architecture will be the x86-64 Zen and AArch64 K12 architectures.
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http://www.relaxedtech.com/reviews/amd/athlon-x4-845/1