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Differences What are the advantages of each

Front view of Intel Core i7 620UM

Reasons to consider the
Intel Core i7 620UM

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Significantly better overclocked clock speed (Air) 2.13 GHz vs 1.07 GHz Around 2x better overclocked clock speed (Air)
Front view of Intel Core i7 620UE

Reasons to consider the
Intel Core i7 620UE

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CPUBoss is not aware of any important advantages of the 620UE vs the 620UM.

Features Key features of the Core i7 620UM  vs 620UE 

clock speed

Core i7 620UM
1.06 GHz
Core i7 620UE
1.06 GHz

turbo clock speed

Core i7 620UM
2.13 GHz
Core i7 620UE
2.13 GHz

L2 cache

gpu clock speed

Core i7 620UM
166 MHz
Core i7 620UE
166 MHz

overclocked clock speed (air)

Core i7 620UM
2.13 GHz
Core i7 620UE
1.07 GHz

overclocked clock speed (water)

Core i7 620UM
1.07 GHz
Core i7 620UE
1.07 GHz

Specifications Full list of technical specs

summary

Core i7 620UM  vs
620UE 
Clock speed 1.06 GHz 1.06 GHz
Turbo clock speed 2.13 GHz 2.13 GHz
Cores Dual core Dual core
Socket type
BGA 1288
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
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 18W 18W
Annual home energy cost 4.34 $/year 4.34 $/year
Annual commercial energy cost 15.77 $/year 15.77 $/year
Typical power consumption 14.63W 14.63W

bus

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

details

Core i7 620UM  vs
620UE 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 4 MB 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 32 nm
Transistor count 382,000,000 382,000,000
Max CPUs 1 1
Clock multiplier 8 8

overclocking

Overclocked clock speed 2.13 GHz 1.07 GHz
Overclocked clock speed (Water) 1.07 GHz 1.07 GHz
Overclocked clock speed (Air) 2.13 GHz 1.07 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Integrated
Number of displays supported 2 2
GPU clock speed 166 MHz 166 MHz
Turbo clock speed 500 MHz 500 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-800
DDR3
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 12,800 MB/s 12,800 MB/s
Maximum memory size 8,192 MB 9,000.96 MB
Intel Core i7 620UM
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Intel Core i7 620UE
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