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Differences What are the advantages of each

Front view of Intel Core i3 3115C

Reasons to consider the
Intel Core i3 3115C

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Much lower typical power consumption 20.31W vs 98.28W 4.8x lower typical power consumption
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher Maximum operating temperature 100 °C vs 69.1 °C Around 45% higher Maximum operating temperature
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much lower annual home energy cost 6.02 $/year vs 37.88 $/year 6.3x lower annual home energy cost
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Much lower annual commercial energy cost 21.9 $/year vs 93.47 $/year 4.3x lower annual commercial energy cost
Newer Jul, 2013 vs Jan, 2011 Release date over 2 years later
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 2.5 GHz Around 25% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
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
Better overclocked clock speed (Air) 3.23 GHz vs 2.5 GHz Around 30% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 3.23 GHz vs 2.5 GHz Around 30% better overclocked clock speed (Water)

Features Key features of the Core i3 3115C  vs 2100 

clock speed

Core i3 3115C
2.5 GHz
Core i3 2100
3.1 GHz

L2 cache

Core i3 3115C
0.5 MB
Core i3 2100
0.5 MB

L3 cache

overclocked clock speed (air)

Core i3 3115C
2.5 GHz
Core i3 2100
3.23 GHz

overclocked clock speed (water)

Core i3 3115C
2.5 GHz
Core i3 2100
3.23 GHz

Specifications Full list of technical specs

summary

Core i3 3115C  vs
2100 
Clock speed 2.5 GHz 3.1 GHz
Cores Dual core Dual core
Socket type
BGA 1284
LGA 1155
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes 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 No Yes

power consumption

TDP 25W 65W
Annual home energy cost 6.02 $/year 37.88 $/year
Annual commercial energy cost 21.9 $/year 93.47 $/year
Typical power consumption 20.31W 98.28W

bus

Architecture DMI 2.0 DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i3 3115C  vs
2100 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 4 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1
Clock multiplier 25 31
Operating temperature 0 - 100°C Unknown - 69.1°C

overclocking

Overclocked clock speed 2.5 GHz 3.23 GHz
Overclocked clock speed (Water) 2.5 GHz 3.23 GHz
Overclocked clock speed (Air) 2.5 GHz 3.23 GHz

integrated graphics

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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3L-1333
DDR3
DDR3L-1066
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
Intel Core i3 3115C
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Intel Core i3 2100
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