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Differences What are the advantages of each

Front view of Intel Celeron N2807

Reasons to consider the
Intel Celeron N2807

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Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 1.58 GHz vs 1.3 GHz More than 20% higher clock speed
Much better performance per watt 11.49 pt/W vs 3.07 pt/W Around 3.8x better performance per watt
Significantly better overclocked clock speed (Air) 2.17 GHz vs 1.3 GHz More than 65% better overclocked clock speed (Air)
Better performance per dollar 0.46 pt/$ vs 0.2 pt/$ More than 2.2x better performance per dollar
Newer Feb, 2014 vs Sep, 2010 Release date over 3 years later
More cores 2 vs 1 Twice as many cores; run more applications at once
Better overclocked clock speed (Water) 1.58 GHz vs 1.3 GHz More than 20% better overclocked clock speed (Water)
Front view of Intel Atom E660

Reasons to consider the
Intel Atom E660

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Higher GPU clock speed 400 MHz vs 313 MHz Around 30% higher GPU clock speed

Benchmarks Real world tests of Celeron N2807 vs Atom E660

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Celeron N2807  vs
Atom E660 
Clock speed 1.58 GHz 1.3 GHz
Cores Dual core Single core

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
EM64T
SSE
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 4.3W 3.6W
Annual home energy cost 1.04 $/year 0.87 $/year
Annual commercial energy cost 3.77 $/year 3.15 $/year
Performance per watt 11.49 pt/W 3.07 pt/W
Typical power consumption 3.49W 2.92W

bus

Architecture FSB FSB
Number of links 1 1

details

Celeron N2807  vs
Atom E660 
Architecture x86-64 x86
Threads 2 2
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 1
Voltage range 0.4 - 1.14V 0.75 - 0.9V

overclocking

Overclocked clock speed 2.17 GHz 1.3 GHz
Overclocked clock speed (Water) 1.58 GHz 1.3 GHz
Overclocked clock speed (Air) 2.17 GHz 1.3 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Integrated
GPU clock speed 313 MHz 400 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
DDR2-800
DDR2
Channels Single Channel Single Channel
Supports ECC No No
Maximum bandwidth 6,400 MB/s 6,400 MB/s
Maximum memory size 4,096 MB 2,048 MB
Intel Celeron N2807
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Intel Atom E660
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