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Differences What are the advantages of each

Front view of Intel Celeron 540

Reasons to consider the
Intel Celeron 540

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CPUBoss is not aware of any important advantages of the Celeron 540 vs the Atom N450.

Front view of Intel Atom N450

Reasons to consider the
Intel Atom N450

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed

Benchmarks Real world tests of Celeron 540 vs Atom N450

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

Celeron 540
137.5 MB/s
Atom N450
25,700 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Celeron 540
1,413
Atom N450
1,014

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron 540  vs
Atom N450 
Clock speed 1.86 GHz 1.66 GHz
Cores Single core Single core

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support No No
Instruction set extensions
SSE2
MMX
SSE3
SSE
Supplemental SSE3
Supports dynamic frequency scaling No Yes

power consumption

TDP 30W 5.5W
Annual home energy cost 7.23 $/year 1.32 $/year
Performance per watt 1.69 pt/W 4.63 pt/W
Typical power consumption 24.38W 4.47W

details

Celeron 540  vs
Atom N450 
Architecture x86-64 x86-64
Threads 1 2
L2 cache 1 MB 0.5 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 65 nm 45 nm
Transistor count 291,000,000 123,000,000
Max CPUs 1 1
Clock multiplier 14 10
Voltage range 0.95 - 1.3V 0.8 - 1.18V

overclocking

Overclocked clock speed 1.87 GHz 1.9 GHz
Overclocked clock speed (Water) 1.87 GHz 1.67 GHz
Overclocked clock speed (Air) 1.87 GHz 1.9 GHz

integrated graphics

GPU None GPU
Label N/A Integrated

bus

Architecture FSB DMI
Number of links 1 1
Intel Celeron 540
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Intel Atom N450
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