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Differences What are the advantages of each

Front view of Intel Atom N455

Reasons to consider the
Intel Atom N455

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Front view of AMD Athlon 64 X2 57

Reasons to consider the
AMD Athlon 64 X2 57

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CPUBoss is not aware of any important advantages of the AMD Athlon 64 X2 57 vs the Intel Atom N455.

Benchmarks Real world tests of Atom N455 vs Athlon 64 X2 57

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

Atom N455
25,700 MB/s
Athlon 64 X2 57
51,700 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Atom N455  vs
Athlon 64 X2 57 
Clock speed 1.66 GHz 1.9 GHz
Cores Single core Dual core

features

Has a NX bit Yes Yes
Has virtualization support No No
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supplemental SSE3

power consumption

TDP 6.5W 31W
Annual home energy cost 1.57 $/year 7.47 $/year
Performance per watt 3.88 pt/W 1.85 pt/W
Typical power consumption 5.28W 25.19W

details

Atom N455  vs
Athlon 64 X2 57 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.88 GHz 3.1 GHz
Overclocked clock speed (Water) 1.67 GHz 2.8 GHz
Overclocked clock speed (Air) 1.88 GHz 3.1 GHz

integrated graphics

GPU GPU None
Label Integrated N/A
GPU clock speed 200 MHz N/A
Intel Atom N455
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AMD Athlon 64 X2 57
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