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Differences What are the advantages of each

Front view of AMD Athlon II X2 270

Reasons to consider the
AMD Athlon II X2 270

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Much higher clock speed 3.4 GHz vs 3 GHz Around 15% higher clock speed
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 Athlon II X2 270.

Benchmarks Real world tests of Athlon II X2 270 vs A4 4000

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Athlon II X2 270
136,900 MB/s
A4 4000
1,830,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon II X2 270  vs
A4 4000 
Clock speed 3.4 GHz 3 GHz
Cores Dual core Dual core

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
3DNow!
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

details

Athlon II X2 270  vs
A4 4000 
Threads 2 2
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.02 GHz 4.02 GHz
Overclocked clock speed (Water) 4.09 GHz 3.49 GHz
PassMark (Overclocked) 810.1 1,069.1
Overclocked clock speed (Air) 4.02 GHz 4.02 GHz

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 2.03 pt/W 5.4 pt/W
Typical power consumption 52.81W 52.81W
AMD Athlon II X2 270
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AMD A4 4000
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