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Differences What are the advantages of each

Front view of Intel Core i7 620UE

Reasons to consider the
Intel Core i7 620UE

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Much lower typical power consumption 14.63W vs 122.45W 8.4x lower typical power consumption
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much lower annual home energy cost 4.34 $/year vs 42.81 $/year 9.9x lower annual home energy cost
Much lower annual commercial energy cost 15.77 $/year vs 122.73 $/year 7.8x lower annual commercial energy cost
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Newer Jan, 2010 vs Jul, 2009 Release date 6 months later
Front view of Intel Core i5 750

Reasons to consider the
Intel Core i5 750

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Much higher clock speed 2.66 GHz vs 1.06 GHz More than 2.5x higher clock speed
Significantly higher turbo clock speed 3.2 GHz vs 2.13 GHz More than 50% higher turbo clock speed
Much better overclocked clock speed (Air) 4.13 GHz vs 1.07 GHz Around 4x better overclocked clock speed (Air)
More l3 cache 8 MB vs 4 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 4.09 GHz vs 1.07 GHz More than 3.8x better overclocked clock speed (Water)

Features Key features of the Core i7 620UE  vs i5 750 

clock speed

Core i7 620UE
1.06 GHz
Core i5 750
2.66 GHz

turbo clock speed

Core i7 620UE
2.13 GHz
Core i5 750
3.2 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Core i7 620UE
1.07 GHz
Core i5 750
4.13 GHz

overclocked clock speed (water)

Core i7 620UE
1.07 GHz
Core i5 750
4.09 GHz

Specifications Full list of technical specs

summary

Core i7 620UE  vs
i5 750 
Clock speed 1.06 GHz 2.66 GHz
Turbo clock speed 2.13 GHz 3.2 GHz
Cores Dual core Quad core
Socket type
BGA 1288
LGA 1156
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
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 18W 95W
Annual home energy cost 4.34 $/year 42.81 $/year
Annual commercial energy cost 15.77 $/year 122.73 $/year
Typical power consumption 14.63W 122.45W

bus

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

details

Core i7 620UE  vs
i5 750 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 4 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 45 nm
Transistor count 382,000,000 774,000,000
Max CPUs 1 1
Clock multiplier 8 20

overclocking

Overclocked clock speed 1.07 GHz 4.13 GHz
Overclocked clock speed (Water) 1.07 GHz 4.09 GHz
Overclocked clock speed (Air) 1.07 GHz 4.13 GHz

integrated graphics

GPU GPU None
Label Integrated N/A
Number of displays supported 2 N/A
GPU clock speed 166 MHz N/A
Turbo clock speed 500 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 12,800 MB/s 21,333.32 MB/s
Maximum memory size 9,000.96 MB 16,384 MB
Intel Core i7 620UE
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Intel Core i5 750
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