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Differences What are the advantages of each

Front view of AMD PRO A A4 A4 PRO-7300B

Reasons to consider the
AMD PRO A A4 A4 PRO-7300B

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Much lower typical power consumption 52.81W vs 81.25W 35% lower typical power consumption
Much lower annual home energy cost 15.66 $/year vs 24.09 $/year 35% lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 87.6 $/year 35% lower annual commercial energy cost
Front view of AMD A8 6600K

Reasons to consider the
AMD A8 6600K

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Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Air) 4.65 GHz vs 3.8 GHz More than 20% better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Higher clock speed 3.9 GHz vs 3.8 GHz Around 5% higher clock speed
Significantly higher Maximum operating temperature 74 °C vs 70 °C More than 5% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.63 GHz vs 3.8 GHz More than 20% better overclocked clock speed (Water)

Benchmarks Real world tests of PRO A A4 A4 PRO-7300B vs A8 6600K

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

PRO A A4 A4 PRO-7300B  vs
A8 6600K 
Clock speed 3.8 GHz 3.9 GHz
Turbo clock speed 4 GHz 4.2 GHz
Cores Dual core Quad core
Is unlocked No Yes

features

Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
Supplemental SSE3
AES
TBM

power consumption

TDP 65W 100W
Annual home energy cost 15.66 $/year 24.09 $/year
Annual commercial energy cost 56.94 $/year 87.6 $/year
Performance per watt 1.98 pt/W 5.07 pt/W
Typical power consumption 52.81W 81.25W

details

PRO A A4 A4 PRO-7300B  vs
A8 6600K 
Threads 2 4
L2 cache 1 MB 4 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache None None
Manufacture process 32 nm 32 nm
Operating temperature Unknown - 70°C Unknown - 74°C

overclocking

Overclocked clock speed 3.8 GHz 4.65 GHz
Overclocked clock speed (Water) 3.8 GHz 4.63 GHz
Overclocked clock speed (Air) 3.8 GHz 4.65 GHz

integrated graphics

GPU GPU GPU
Label Radeon™ HD 8470D Radeon™ HD 8570D
Latest DirectX 11.0 11.0
GPU clock speed 800 MHz 844 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
AMD PRO A A4 A4 PRO-7300B
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AMD A8 6600K
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