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Differences What are the advantages of each

Front view of Intel Core i3 540

Reasons to consider the
Intel Core i3 540

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Much better overclocked clock speed (Air) 4.47 GHz vs 3.29 GHz More than 35% better overclocked clock speed (Air)
Significantly higher Maximum operating temperature 72.6 °C vs 69.1 °C More than 5% higher Maximum operating temperature
Front view of Intel Core i3 2105

Reasons to consider the
Intel Core i3 2105

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Much lower typical power consumption 52.81W vs 94.67W Around 45% lower typical power consumption
Supports more RAM 32,768 MB vs 16,773.12 MB Supports more than 95% more RAM
Much lower annual home energy cost 15.66 $/year vs 35.75 $/year 2.3x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 91.1 $/year Around 40% lower annual commercial energy cost
Newer Apr, 2011 vs Jan, 2010 Release date over 1 years later

Benchmarks Real world tests of Core i3 540 vs 2105

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

Core i3 540
123,300 MB/s
Core i3 2105
150,600 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 540  vs
2105 
Clock speed 3.06 GHz 3.1 GHz
Cores Dual core Dual core
Socket type
LGA 1156
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 73W 65W
Annual home energy cost 35.75 $/year 15.66 $/year
Annual commercial energy cost 91.1 $/year 56.94 $/year
Performance per watt 1.24 pt/W 2.73 pt/W
Typical power consumption 94.67W 52.81W

bus

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

details

Core i3 540  vs
2105 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 4 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 23 31
Operating temperature Unknown - 72.6°C Unknown - 69.1°C

overclocking

Overclocked clock speed 4.47 GHz 3.29 GHz
Overclocked clock speed (Water) 3.07 GHz 3.1 GHz
Overclocked clock speed (Air) 4.47 GHz 3.29 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics 3000
Number of displays supported 2 2
GPU clock speed 733 MHz 850 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 16,773.12 MB 32,768 MB
Intel Core i3 540
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Intel Core i3 2105
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