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Differences What are the advantages of each

Front view of Intel Xeon E3-1230 v2

Reasons to consider the
Intel Xeon E3-1230 v2

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Much higher clock speed 3.3 GHz vs 2 GHz Around 65% higher clock speed
Much 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
Much better overclocked clock speed (Air) 3.67 GHz vs 2 GHz Around 85% better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 2 6 more threads
Much better overclocked clock speed (Water) 3.5 GHz vs 2 GHz More than 75% better overclocked clock speed (Water)
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer May, 2012 vs May, 2010 Release date over 2 years later
Front view of Intel Xeon 3400 L3403

Reasons to consider the
Intel Xeon 3400 L3403

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Significantly lower typical power consumption 24.38W vs 56.06W 2.3x lower typical power consumption
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Significantly lower annual commercial energy cost 26.28 $/year vs 60.44 $/year 2.3x lower annual commercial energy cost
Significantly lower annual home energy cost 7.23 $/year vs 16.62 $/year 2.3x lower annual home energy cost

Features Key features of the Xeon E3-1230 v2  vs 3400 L3403 

clock speed

L2 cache

L3 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Xeon E3-1230 v2  vs
3400 L3403 
Clock speed 3.3 GHz 2 GHz
Cores Quad core Dual core
Socket type
LGA 1155
LGA 1156

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

bus

Architecture DMI DMI
Transfer rate 5,000 MT/s 2,500 MT/s

details

Xeon E3-1230 v2  vs
3400 L3403 
Threads 8 2
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.67 GHz 2 GHz
Overclocked clock speed (Water) 3.5 GHz 2 GHz
Overclocked clock speed (Air) 3.67 GHz 2 GHz

power consumption

TDP 69W 30W
Annual home energy cost 16.62 $/year 7.23 $/year
Annual commercial energy cost 60.44 $/year 26.28 $/year
Typical power consumption 56.06W 24.38W
Intel Xeon E3-1230 v2
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Intel Xeon 3400 L3403
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