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Differences What are the advantages of each

Front view of Intel Xeon E3-1220 v2

Reasons to consider the
Intel Xeon E3-1220 v2

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Much newer manufacturing process 22 nm vs 250 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3.1 GHz vs 0.4 GHz 7.8x higher clock speed
Significantly more l2 cache 1 MB vs 0.13 MB Around 7.8x more l2 cache; more data can be stored in the l2 cache for quick access later
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Newer May, 2012 vs Aug, 1998 Release date over 13 years later
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More cores 4 vs 1 3 more cores; run more applications at once
More threads 4 vs 1 3 more threads
More l2 cache per core 0.25 MB/core vs 0.13 MB/core More than 90% more l2 cache per core
Front view of Intel Celeron Mendocino

Reasons to consider the
Intel Celeron Mendocino

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Much lower typical power consumption 19.26W vs 56.06W 2.9x lower typical power consumption
Much lower annual home energy cost 5.71 $/year vs 16.62 $/year 2.9x lower annual home energy cost
Much lower annual commercial energy cost 20.76 $/year vs 60.44 $/year 2.9x lower annual commercial energy cost

Features Key features of the Xeon E3-1220 v2  vs Celeron Mendocino 

clock speed

L2 cache

Specifications Full list of technical specs

summary

Xeon E3-1220 v2  vs
Celeron Mendocino 
Clock speed 3.1 GHz 0.4 GHz
Cores Quad core Single core
Socket type
LGA 1155
370

features

Has a NX bit Yes No
Supports trusted computing Yes No
Has virtualization support Yes No
Supports dynamic frequency scaling Yes No

memory controller

Memory controller Built-in Built-in
Supports ECC Yes No

details

Xeon E3-1220 v2  vs
Celeron Mendocino 
Architecture x86-64 x86
Threads 4 1
L2 cache 1 MB 0.13 MB
L2 cache per core 0.25 MB/core 0.13 MB/core
Manufacture process 22 nm 250 nm
Max CPUs 1 1
Clock multiplier 31 6

power consumption

TDP 69W 23.7W
Annual home energy cost 16.62 $/year 5.71 $/year
Annual commercial energy cost 60.44 $/year 20.76 $/year
Typical power consumption 56.06W 19.26W

bus

Architecture DMI FSB
Number of links 1 1
Intel Xeon E3-1220 v2
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Intel Celeron Mendocino
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