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Differences What are the advantages of each

Front view of Intel Core i7 620LE

Reasons to consider the
Intel Core i7 620LE

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Higher clock speed 2 GHz vs 1.6 GHz Around 25% higher clock speed
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 l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Better overclocked clock speed (Air) 2 GHz vs 1.6 GHz Around 25% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2 GHz vs 1.6 GHz Around 25% better overclocked clock speed (Water)
Front view of Intel Core i5 4402E

Reasons to consider the
Intel Core i5 4402E

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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
Much better turbo clock speed 900 MHz vs 566 MHz Around 60% better turbo clock speed
Higher GPU clock speed 400 MHz vs 266 MHz More than 50% higher GPU clock speed
More number of displays supported 3 vs 2 1 more number of displays supported
Newer Jul, 2013 vs Jan, 2010 Release date over 3 years later

Features Key features of the Core i7 620LE  vs i5 4402E 

clock speed

turbo clock speed

Core i7 620LE
2.8 GHz
Core i5 4402E
2.7 GHz

L2 cache

gpu clock speed

Core i7 620LE
266 MHz
Core i5 4402E
400 MHz

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Core i7 620LE  vs
i5 4402E 
Clock speed 2 GHz 1.6 GHz
Turbo clock speed 2.8 GHz 2.7 GHz
Cores Dual core Dual core
Socket type
BGA 1288
BGA 1364
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
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

power consumption

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

bus

Architecture DMI DMI 2.0
Number of links 1 1
Transfer rate 2,500 MT/s 5,000 MT/s

details

Core i7 620LE  vs
i5 4402E 
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 15 16

overclocking

Overclocked clock speed 2 GHz 1.6 GHz
Overclocked clock speed (Water) 2 GHz 1.6 GHz
Overclocked clock speed (Air) 2 GHz 1.6 GHz

integrated graphics

GPU GPU GPU
Label Integrated HD 4600
Number of displays supported 2 3
GPU clock speed 266 MHz 400 MHz
Turbo clock speed 566 MHz 900 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 17,066.66 MB/s 25,600 MB/s
Maximum memory size 9,000.96 MB 16,384 MB
Intel Core i7 620LE
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Intel Core i5 4402E
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