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Differences What are the advantages of each

Front view of Intel Core i3 2330E

Reasons to consider the
Intel Core i3 2330E

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Higher clock speed 2.2 GHz vs 1.66 GHz Around 35% higher clock speed
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher GPU clock speed 650 MHz vs 200 MHz 3.2x higher GPU clock speed
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
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Significantly better PassMark (Single core) score 1,155 vs 239 More than 4.8x better PassMark (Single core) score
Better PassMark score 3,073 vs 287 Around 10.8x better PassMark score
Better performance per dollar 0.62 pt/$ vs 0.39 pt/$ Around 60% better performance per dollar
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Better overclocked clock speed (Air) 2.2 GHz vs 1.88 GHz More than 15% better overclocked clock speed (Air)
Newer Jun, 2011 vs Jun, 2010 Release date over 1 years later
Better overclocked clock speed (Water) 2.2 GHz vs 1.67 GHz More than 30% better overclocked clock speed (Water)
Front view of Intel Atom N455

Reasons to consider the
Intel Atom N455

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Significantly lower typical power consumption 5.28W vs 28.44W 5.4x lower typical power consumption
Significantly lower annual home energy cost 1.57 $/year vs 8.43 $/year 5.4x lower annual home energy cost
Significantly lower annual commercial energy cost 5.69 $/year vs 30.66 $/year 5.4x lower annual commercial energy cost

Benchmarks Real world tests of Core i3 2330E vs Atom N455

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 2330E  vs
Atom N455 
Clock speed 2.2 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
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 35W 6.5W
Annual home energy cost 8.43 $/year 1.57 $/year
Annual commercial energy cost 30.66 $/year 5.69 $/year
Performance per watt 3.64 pt/W 3.88 pt/W
Typical power consumption 28.44W 5.28W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 2,500 MT/s

details

Core i3 2330E  vs
Atom N455 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1
Clock multiplier 22 10

overclocking

Overclocked clock speed 2.2 GHz 1.88 GHz
Overclocked clock speed (Water) 2.2 GHz 1.67 GHz
Overclocked clock speed (Air) 2.2 GHz 1.88 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 3000 Integrated
GPU clock speed 650 MHz 200 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
DDR2
Channels Dual Channel Single Channel
Maximum bandwidth 21,333.32 MB/s 3,200 MB/s
Maximum memory size 16,998.4 MB 2,048 MB
Intel Core i3 2330E
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Intel Atom N455
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