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Differences What are the advantages of each

Front view of AMD PRO A A6 6th Gen PRO A6-8550B

Reasons to consider the
AMD PRO A A6 6th Gen PRO A6-8550B

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Higher clock speed 3.7 GHz vs 3.5 GHz More than 5% higher clock speed
Higher Maximum operating temperature 71.3 °C vs 70 °C Almost the same
Front view of AMD A6 7400K

Reasons to consider the
AMD A6 7400K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking

Benchmarks Real world tests of PRO A A6 6th Gen PRO A6-8550B vs A6 7400K

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

A6 7400K
46.97 mHash/s

CompuBench 1.5 (Face detection)

A6 7400K
9.17 mPixels/s

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

A6 7400K
241.33 fps

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

CompuBench 1.5 (Video composition) Data courtesy CompuBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

PRO A A6 6th Gen PRO A6-8550B  vs
A6 7400K 
Clock speed 3.7 GHz 3.5 GHz
Cores Dual core Dual core
Is unlocked No Yes

features

Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
AMD-V
Supplemental SSE3
AES
TBM

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-2133
DDR3-1866

details

PRO A A6 6th Gen PRO A6-8550B  vs
A6 7400K 
Threads 2 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 28 nm 28 nm
Operating temperature Unknown - 71.3°C Unknown - 70°C

integrated graphics

GPU GPU GPU
Label Radeon™ R5 Radeon R5 series

power consumption

TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 3.72 pt/W 2.8 pt/W
Typical power consumption 52.81W 52.81W
AMD PRO A A6 6th Gen PRO A6-8550B
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AMD A6 7400K
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