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Differences What are the advantages of each

Front view of Intel Core i5 2300

Reasons to consider the
Intel Core i5 2300

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Much 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
More cores 4 vs 2 Twice as many cores; run more applications at once
Significantly lower typical power consumption 77.19W vs 98.28W More than 20% lower typical power consumption
Significantly higher Maximum operating temperature 72.6 °C vs 69.1 °C More than 5% higher Maximum operating temperature
Much lower annual home energy cost 22.89 $/year vs 37.88 $/year Around 40% lower annual home energy cost
Better overclocked clock speed (Air) 3.29 GHz vs 3.23 GHz Almost the same
Better overclocked clock speed (Water) 3.55 GHz vs 3.23 GHz More than 10% better overclocked clock speed (Water)
Lower annual commercial energy cost 83.22 $/year vs 93.47 $/year More than 10% lower annual commercial energy cost
Front view of Intel Core i3 2100

Reasons to consider the
Intel Core i3 2100

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Higher clock speed 3.1 GHz vs 2.8 GHz More than 10% higher clock speed

Benchmarks Real world tests of Core i5 2300 vs i3 2100

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

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 i5 2300
2,070,000 MB/s
Core i3 2100
153,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Specifications Full list of technical specs

summary

Core i5 2300  vs
i3 2100 
Clock speed 2.8 GHz 3.1 GHz
Cores Quad core Dual core
Socket type
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
AES
Supports dynamic frequency scaling Yes Yes

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2000 Intel® HD Graphics 2000
Number of displays supported 2 2
GPU clock speed 850 MHz 850 MHz
Turbo clock speed 1,100 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 32,768 MB 32,768 MB

details

Core i5 2300  vs
i3 2100 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 6 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 28 31
Operating temperature Unknown - 72.6°C Unknown - 69.1°C

overclocking

Overclock popularity 20 101
Overclock review score 5 4.5
Overclocked clock speed 3.29 GHz 3.23 GHz
Overclocked clock speed (Water) 3.55 GHz 3.23 GHz
PassMark (Overclocked) 2,413.1 1,518.9
Overclocked clock speed (Air) 3.29 GHz 3.23 GHz

power consumption

TDP 95W 65W
Annual home energy cost 22.89 $/year 37.88 $/year
Annual commercial energy cost 83.22 $/year 93.47 $/year
Performance per watt 7.79 pt/W 1.41 pt/W
Typical power consumption 77.19W 98.28W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Core i5 2300
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Intel Core i3 2100
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