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Differences What are the advantages of each

Front view of Intel Core i3 2340UE

Reasons to consider the
Intel Core i3 2340UE

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Much lower typical power consumption 13.81W vs 98.28W 7.1x lower typical power consumption
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
Much higher Maximum operating temperature 100 °C vs 69.1 °C Around 45% higher Maximum operating temperature
Much lower annual home energy cost 4.1 $/year vs 37.88 $/year 9.2x lower annual home energy cost
Significantly better performance per watt 4.34 pt/W vs 1.41 pt/W More than 3x better performance per watt
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual commercial energy cost 14.89 $/year vs 93.47 $/year 6.3x lower annual commercial energy cost
Newer Jun, 2011 vs Jan, 2011 Release date 5 months later
Front view of Intel Core i3 2100

Reasons to consider the
Intel Core i3 2100

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Much higher clock speed 3.1 GHz vs 1.3 GHz Around 2.5x higher clock speed
Much higher GPU clock speed 850 MHz vs 350 MHz Around 2.5x higher GPU clock speed
Much better turbo clock speed 1,100 MHz vs 800 MHz Around 40% better turbo clock speed
Much better performance per dollar 1.14 pt/$ vs 0.32 pt/$ More than 3.5x better performance per dollar
Much better overclocked clock speed (Air) 3.23 GHz vs 1.3 GHz Around 2.5x better overclocked clock speed (Air)
Significantly better PassMark (Single core) score 1,583 vs 689 More than 2.2x better PassMark (Single core) score
Better PassMark score 3,664 vs 1,719 Around 2.2x better PassMark score
Much better overclocked clock speed (Water) 3.23 GHz vs 1.3 GHz Around 2.5x better overclocked clock speed (Water)

Benchmarks Real world tests of Core i3 2340UE vs 2100

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 2340UE  vs
2100 
Clock speed 1.3 GHz 3.1 GHz
Cores Dual core Dual core
Socket type
BGA 1023
LGA 1155
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 17W 65W
Annual home energy cost 4.1 $/year 37.88 $/year
Annual commercial energy cost 14.89 $/year 93.47 $/year
Performance per watt 4.34 pt/W 1.41 pt/W
Typical power consumption 13.81W 98.28W

bus

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

details

Core i3 2340UE  vs
2100 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 3 MB 3 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 13 31
Operating temperature Unknown - 100°C Unknown - 69.1°C

overclocking

Overclocked clock speed 1.3 GHz 3.23 GHz
Overclocked clock speed (Water) 1.3 GHz 3.23 GHz
Overclocked clock speed (Air) 1.3 GHz 3.23 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 3000 Intel® HD Graphics 2000
Number of displays supported 2 2
GPU clock speed 350 MHz 850 MHz
Turbo clock speed 800 MHz 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 16,998.4 MB 32,768 MB
Intel Core i3 2340UE
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Intel Core i3 2100
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