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Differences What are the advantages of each

Front view of AMD A8 5557M

Reasons to consider the
AMD A8 5557M

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Higher turbo clock speed 3.1 GHz vs 2.8 GHz More than 10% higher turbo clock speed
Higher clock speed 2.1 GHz vs 1.9 GHz More than 10% higher clock speed
Front view of AMD A8 4557M

Reasons to consider the
AMD A8 4557M

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CPUBoss is not aware of any important advantages of the 4557M vs the 5557M.

Features Key features of the A8 5557M  vs 4557M 

clock speed

A8 5557M
2.1 GHz
A8 4557M
1.9 GHz

turbo clock speed

A8 5557M
3.1 GHz
A8 4557M
2.8 GHz

L2 cache

A8 5557M
4 MB
A8 4557M
4 MB

TDP

A8 5557M
35W
A8 4557M
35W

Specifications Full list of technical specs

summary

A8 5557M  vs
4557M 
Clock speed 2.1 GHz 1.9 GHz
Turbo clock speed 3.1 GHz 2.8 GHz
Cores Quad core Quad core
Is hyperthreaded No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
MMX
SSE
SSE4.2
AMD64
AVX
XOP
SSE3
FMA3
SSE2
FMA4
F16C
Supplemental SSE3
SSE4.1
SSE4
SSE4a
AES
TBM
AMD-V
BMI1
Supports dynamic frequency scaling Yes Yes

details

A8 5557M  vs
4557M 
Threads 4 4
L2 cache 4 MB 4 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 32 nm 32 nm

power consumption

TDP 35W 35W
Annual home energy cost 8.43 $/year 8.43 $/year
Typical power consumption 28.44W 28.44W
AMD A8 5557M
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AMD A8 4557M
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