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Differences What are the advantages of each

Front view of Intel Core i3 2100

Reasons to consider the
Intel Core i3 2100

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Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
More threads 4 vs 1 3 more threads
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
More cores 2 vs 1 Twice as many cores; run more applications at once
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Higher clock speed 3.1 GHz vs 2.93 GHz More than 5% higher clock speed
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Higher Maximum operating temperature 69.1 °C vs 67 °C Around 5% higher Maximum operating temperature
Newer Jan, 2011 vs Sep, 2004 Release date over 6 years later
Front view of Intel Celeron D 340

Reasons to consider the
Intel Celeron D 340

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Much lower typical power consumption 59.31W vs 98.28W Around 40% lower typical power consumption
Much better overclocked clock speed (Air) 3.8 GHz vs 3.23 GHz Around 20% better overclocked clock speed (Air)
Much lower annual home energy cost 17.59 $/year vs 37.88 $/year 2.2x lower annual home energy cost
Much better overclocked clock speed (Water) 4.3 GHz vs 3.23 GHz Around 35% better overclocked clock speed (Water)
Much lower annual commercial energy cost 63.95 $/year vs 93.47 $/year More than 30% lower annual commercial energy cost

Features Key features of the Core i3 2100  vs Celeron D 340 

clock speed

Core i3 2100
3.1 GHz
Celeron D 340
2.93 GHz

L2 cache

Core i3 2100
0.5 MB
Celeron D 340
0.25 MB

overclocked clock speed (air)

Core i3 2100
3.23 GHz
Celeron D 340
3.8 GHz

overclocked clock speed (water)

Core i3 2100
3.23 GHz
Celeron D 340
4.3 GHz

Specifications Full list of technical specs

summary

Core i3 2100  vs
Celeron D 340 
Clock speed 3.1 GHz 2.93 GHz
Cores Dual core Single core
Socket type
LGA 1155
478

features

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

power consumption

TDP 65W 73W
Annual home energy cost 37.88 $/year 17.59 $/year
Annual commercial energy cost 93.47 $/year 63.95 $/year
Typical power consumption 98.28W 59.31W

bus

Architecture DMI FSB
Number of links 1 1

details

Core i3 2100  vs
Celeron D 340 
Architecture x86-64 x86
Threads 4 1
L2 cache 0.5 MB 0.25 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
Manufacture process 32 nm 90 nm
Max CPUs 1 1
Clock multiplier 31 22
Operating temperature Unknown - 69.1°C Unknown - 67°C

overclocking

Overclocked clock speed 3.23 GHz 3.8 GHz
Overclocked clock speed (Water) 3.23 GHz 4.3 GHz
PassMark (Overclocked) 1,518.9 529.6
Overclocked clock speed (Air) 3.23 GHz 3.8 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 2000 N/A
Number of displays supported 2 N/A
GPU clock speed 850 MHz N/A
Turbo clock speed 1,100 MHz N/A

memory controller

Memory controller Built-in Built-in
Intel Core i3 2100
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Intel Celeron D 340
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