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Differences What are the advantages of each

Front view of Intel Core i7 2655LE

Reasons to consider the
Intel Core i7 2655LE

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Much better performance per watt 23.92 pt/W vs 3.71 pt/W Around 6.5x better performance per watt
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 better performance per dollar 1.83 pt/$ vs 0.58 pt/$ Around 3.2x better performance per dollar
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Lower typical power consumption 20.31W vs 28.44W Around 30% lower typical power consumption
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Slightly better PassMark (Single core) score 1,350 vs 1,214 More than 10% better PassMark (Single core) score
Lower annual commercial energy cost 21.9 $/year vs 30.66 $/year Around 30% lower annual commercial energy cost
Lower annual home energy cost 6.02 $/year vs 8.43 $/year Around 30% lower annual home energy cost
Front view of Intel Core i3 3110M

Reasons to consider the
Intel Core i3 3110M

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Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 2.4 GHz vs 2.2 GHz Around 10% higher clock speed
More number of displays supported 3 vs 2 1 more number of displays supported
Newer Jun, 2012 vs Feb, 2011 Release date over 1 years later
Higher Maximum operating temperature 105 °C vs 100 °C 5% higher Maximum operating temperature
Better overclocked clock speed (Air) 2.43 GHz vs 2.2 GHz More than 10% better overclocked clock speed (Air)
Slightly better overclocked clock speed (Water) 2.4 GHz vs 2.2 GHz Around 10% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i7 2655LE vs i3 3110M

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 i7 2655LE
1,470,000 MB/s
Core i3 3110M
125,500 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 2655LE  vs
i3 3110M 
Clock speed 2.2 GHz 2.4 GHz
Cores Dual core Dual core
Socket type
BGA 1023
rPGA 988B
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
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 25W 35W
Annual home energy cost 6.02 $/year 8.43 $/year
Annual commercial energy cost 21.9 $/year 30.66 $/year
Performance per watt 23.92 pt/W 3.71 pt/W
Typical power consumption 20.31W 28.44W

bus

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

details

Core i7 2655LE  vs
i3 3110M 
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 4 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1
Clock multiplier 22 24
Operating temperature Unknown - 100°C Unknown - 105°C

overclocking

Overclocked clock speed 2.2 GHz 2.43 GHz
Overclocked clock speed (Water) 2.2 GHz 2.4 GHz
Overclocked clock speed (Air) 2.2 GHz 2.43 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 3000 Intel® HD Graphics 4000
Number of displays supported 2 3
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,000 MHz 1,000 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3L-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 21,333.32 MB/s 25,600 MB/s
Maximum memory size 16,998.4 MB 32,768 MB
Intel Core i7 2655LE
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Intel Core i3 3110M
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