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Differences What are the advantages of each

Front view of Intel Core2 Duo L7400

Reasons to consider the
Intel Core2 Duo L7400

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Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
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

Benchmarks Real world tests of Core2 Duo L7400 vs Atom N450

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo L7400  vs
Atom N450 
Clock speed 1.5 GHz 1.66 GHz
Cores Dual core Single core

features

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

power consumption

TDP 17W 5.5W
Annual home energy cost 4.1 $/year 1.32 $/year
Performance per watt 2.79 pt/W 4.63 pt/W
Typical power consumption 13.81W 4.47W

details

Core2 Duo L7400  vs
Atom N450 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 4 MB 0.5 MB
L2 cache per core 2 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 9 10
Voltage range 0.9 - 1.1V 0.8 - 1.18V

overclocking

Overclocked clock speed 2.02 GHz 1.9 GHz
Overclocked clock speed (Water) 1.5 GHz 1.67 GHz
Overclocked clock speed (Air) 2.02 GHz 1.9 GHz

integrated graphics

GPU None GPU
Label N/A Integrated

bus

Architecture FSB DMI
Number of links 1 1
Intel Core2 Duo L7400
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Intel Atom N450
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