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Differences What are the advantages of each

Front view of AMD A8 4555M

Reasons to consider the
AMD A8 4555M

Report a correction

CPUBoss is not aware of any important advantages of the A8 4555M vs the A6 4455M.

Front view of AMD A6 4455M

Reasons to consider the
AMD A6 4455M

Report a correction

CPUBoss is not aware of any important advantages of the A6 4455M vs the A8 4555M.

Benchmarks Real world tests of A8 4555M vs A6 4455M

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

A8 4555M
35.25 mHash/s
A6 4455M
23.54 mHash/s

CompuBench 1.5 (Face detection)

A8 4555M
3.24 mPixels/s
A6 4455M
2.92 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

A8 4555M
0.35 fps
A6 4455M
0.29 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A8 4555M
2,536
A6 4455M
1,670

GeekBench 3 (Single core) Data courtesy Primate Labs

A8 4555M
973
A6 4455M
1,111

GeekBench 3 (AES single core) Data courtesy Primate Labs

A8 4555M
1,140,000 MB/s
A6 4455M
1,305,000 MB/s

PassMark Data courtesy Passmark

A8 4555M
2,118
A6 4455M
1,277

PassMark (Single Core)

A8 4555M
767
A6 4455M
762

Specifications Full list of technical specs

summary

A8 4555M  vs
A6 4455M 
Clock speed 1.6 GHz 2.1 GHz
Turbo clock speed 2.4 GHz 2.6 GHz
Cores Quad core Dual core
Is unlocked No 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
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 19W 17W
Annual home energy cost 4.58 $/year 4.1 $/year
Performance per watt 14.16 pt/W 20.89 pt/W
Typical power consumption 15.44W 13.81W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
Channels Dual Channel Dual Channel
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s

details

A8 4555M  vs
A6 4455M 
Threads 4 2
L2 cache 4 MB 2 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 0 MB 1 MB
L3 cache per core 0 MB/core 0.5 MB/core
Manufacture process 32 nm 32 nm
Transistor count 1,303,000,000 1,303,000,000
Max CPUs 1 1
Die size 246 mm² 246 mm²
Clock multiplier 16 21
Operating temperature Unknown - 100°C Unknown - 100°C

overclocking

Overclocked clock speed 2.4 GHz 2.35 GHz
Overclocked clock speed (Water) 1.6 GHz 2.1 GHz
Overclocked clock speed (Air) 2.4 GHz 2.35 GHz

integrated graphics

GPU GPU GPU
Label Radeon™ HD 7600G Radeon™ HD 7500G
Latest DirectX 11.0 11.0
GPU clock speed 320 MHz 327 MHz
Turbo clock speed 424 MHz 424 MHz
AMD A8 4555M
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AMD A6 4455M
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