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AMD A6 7400K

Front view of AMD A6 7400K
Front view of AMD A4 4000

AMD A4 4000

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Differences What are the advantages of each

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
Significantly higher clock speed 3.5 GHz vs 3 GHz More than 15% higher clock speed
Newer manufacturing process 28 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Jan, 2014 vs May, 2013 Release date 8 months later
Front view of AMD A4 4000

Reasons to consider the
AMD A4 4000

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CPUBoss is not aware of any important advantages of the A4 4000 vs the A6 7400K.

Benchmarks Real world tests of A6 7400K vs A4 4000

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

A6 7400K
46.97 mHash/s
A4 4000
20.49 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

A6 7400K
0.83 fps
A4 4000
0.38 fps

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

A6 7400K
2,590
A4 4000
1,875

Sky Diver Data courtesy FutureMark

A6 7400K
3,153
A4 4000
1,282

Cloud Gate Data courtesy FutureMark

A6 7400K
3,420
A4 4000
2,076

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A6 7400K
3,180
A4 4000
2,519

GeekBench 3 (Single core) Data courtesy Primate Labs

A6 7400K
2,081
A4 4000
1,622

GeekBench 3 (AES single core) Data courtesy Primate Labs

A6 7400K
1,910 MB/s
A4 4000
1,830,000 MB/s

Specifications Full list of technical specs

summary

 A6 7400K  vs
A4 4000 
Clock speed 3.5 GHz 3 GHz
Cores Dual core Dual core
Is unlocked Yes No

features
Has a NX bit Yes Yes
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
Supports dynamic frequency scaling Yes Yes

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1333

details

 A6 7400K  vs
A4 4000 
Architecture x86-64 x86-64
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 32 nm
Max CPUs 1 1
Operating temperature Unknown - 70°C Unknown - 70°C

integrated graphics
GPU GPU GPU
Label Radeon R5 series Radeon™ HD 7480D

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 2.8 pt/W 5.4 pt/W
Typical power consumption 52.81W 52.81W
AMD A6 7400K
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AMD A4 4000
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