AMD quietly releases "Richland" A4- and A6-Series APUs

Back in January, AMD launched the first "Kaveri" APUs, featuring the latest "Steamroller" architecture with improved per-clock performance. The chips also incorporated newer Radeon R7 GCN graphics unit, that added support for Heterogeneous System Architecture. The processors had 4 CPU cores, and were priced at $150 and higher. Less expensive dual-core "Kaveri" APUs are planned to be launched in the second quarter, and in the meantime AMD prepared several budget "Richland" models, including A4-4020, A4-6320 and A6-6420K. Specifications of these microprocessors were added to AMD product database this week, and the APUs were available in US stores since last week:

Picture of AMD A4-4020 and A6-6420K boxed processors
Click on the image to zoom

All three APUs have 2 CPU cores, 1 MB of L2 cache and 65 Watt TDP. They incorporate all "Piledriver" instructions set extensions, such as AES, FMA and AVX.

The A4-4020 runs at 3.2 GHz and has the maximum Turbo Core frequency of 3.4 GHz, which is 200 MHz higher than the A4-4000. The processor has HD 7480D GPU and it supports DDR3-1333 memory.

Compared to A4-6300 and A6-6400K chips, the A4-6320 and A6-6420K have 100 MHz higher clock speeds and Turbo Core frequencies. The A4-6320 operates at 3.8 GHz, and up to 4 GHz when Turbo Core feature is active. The APU has HD 8370D graphics. The base and maximum frequencies for the A6-6420K are 4 GHz and 4.2 GHz. Being a "Black Edition" SKU, this processor can be easily overclocked. The 6420K comes with HD 8470D GPU.

At this time AMD have not officially announced prices for new APUs. The specs of A4 and A6 "Richland" models are provided below (new processors are in bold):

ModelCoresBase /Turbo
Frequency
L2
cache
GraphicsMemoryTDP
A4-4000 2 3 / 3.2 GHz 1 MB HD 7480D DDR3-1333 65 Watt
A4-4020 2 3.2 / 3.4 GHz 1 MB HD 7480D DDR3-1333 65 Watt
A4-6300 2 3.7 / 3.9 GHz 1 MB HD 8370D 65 Watt
A4-6320 2 3.8 / 4 GHz 1 MB HD 8370D DDR3-1600 65 Watt
A6-6400K 2 3.9 / 4.1 GHz 1 MB HD 8470D DDR3-1866 65 Watt
A6-6420K 2 4 / 4.2 GHz 1 MB HD 8470D DDR3-1866 65 Watt

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