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Differences What are the advantages of each

Front view of Intel Xeon 7120M

Reasons to consider the
Intel Xeon 7120M

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Supports more CPUs in SMP configuration 32 vs 1 31 supports more CPUs in SMP configuration
Much more l2 cache 4 MB vs 0.5 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 3 GHz vs 2.4 GHz More than 25% higher clock speed
Much more l2 cache per core 2 MB/core vs 0.25 MB/core 8x 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 (Water) 3 GHz vs 2.4 GHz More than 25% better overclocked clock speed (Water)
Front view of Intel Core i5 520M

Reasons to consider the
Intel Core i5 520M

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Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 28.44W vs 77.19W 2.7x lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer Jan, 2010 vs Aug, 2006 Release date over 3 years later
Much lower annual home energy cost 8.43 $/year vs 22.89 $/year 2.7x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 83.22 $/year 2.7x lower annual commercial energy cost

Features Key features of the Xeon 7120M  vs Core i5 520M 

clock speed

Xeon 7120M
3 GHz
Core i5 520M
2.4 GHz

L2 cache

Xeon 7120M
4 MB
Core i5 520M
0.5 MB

L3 cache

overclocked clock speed (air)

Xeon 7120M
3 GHz
Core i5 520M
2.86 GHz

overclocked clock speed (water)

Xeon 7120M
3 GHz
Core i5 520M
2.4 GHz

TDP

Specifications Full list of technical specs

summary

Xeon 7120M  vs
Core i5 520M 
Clock speed 3 GHz 2.4 GHz
Cores Dual core Dual core
Socket type
604
BGA 1288
rPGA 988A

features

Has a NX bit Yes Yes
Supports trusted computing No 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 95W 35W
Annual home energy cost 22.89 $/year 8.43 $/year
Annual commercial energy cost 83.22 $/year 30.66 $/year
Typical power consumption 77.19W 28.44W

details

Xeon 7120M  vs
Core i5 520M 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 4 MB 0.5 MB
L2 cache per core 2 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 65 nm 32 nm
Transistor count 1,328,000,000 382,000,000
Max CPUs 32 1
Clock multiplier 15 18

overclocking

Overclocked clock speed 3 GHz 2.86 GHz
Overclocked clock speed (Water) 3 GHz 2.4 GHz
Overclocked clock speed (Air) 3 GHz 2.86 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 500 MHz
Turbo clock speed N/A 766 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Xeon 7120M
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Intel Core i5 520M
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