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Differences What are the advantages of each

Front view of Intel Xeon EC3539

Reasons to consider the
Intel Xeon EC3539

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Lower typical power consumption 52.81W vs 65W Around 20% lower typical power consumption
Newer Feb, 2010 vs Nov, 2007 Release date over 2 years later
Lower annual commercial energy cost 56.94 $/year vs 70.08 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 15.66 $/year vs 19.27 $/year Around 20% lower annual home energy cost
Front view of Intel Xeon E5450

Reasons to consider the
Intel Xeon E5450

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Much more l2 cache 12 MB vs 1 MB 12x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3 GHz vs 2.13 GHz More than 40% higher clock speed
Much more l2 cache per core 3 MB/core vs 0.25 MB/core 12x more l2 cache per core
Much better overclocked clock speed (Air) 3.83 GHz vs 2.13 GHz Around 80% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.1 GHz vs 2.13 GHz More than 90% better overclocked clock speed (Water)
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration

Features Key features of the Xeon EC3539  vs E5450 

clock speed

Xeon EC3539
2.13 GHz
Xeon E5450
3 GHz

L2 cache

Xeon E5450
12 MB

overclocked clock speed (air)

Xeon EC3539
2.13 GHz
Xeon E5450
3.83 GHz

overclocked clock speed (water)

Xeon EC3539
2.13 GHz
Xeon E5450
4.1 GHz

TDP

Specifications Full list of technical specs

summary

Xeon EC3539  vs
E5450 
Clock speed 2.13 GHz 3 GHz
Cores Quad core Quad core
Socket type
LGA 1366
LGA 771

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 80W
Annual home energy cost 15.66 $/year 19.27 $/year
Annual commercial energy cost 56.94 $/year 70.08 $/year
Typical power consumption 52.81W 65W

bus

Architecture DMI FSB
Number of links 1 1

details

Xeon EC3539  vs
E5450 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 12 MB
L2 cache per core 0.25 MB/core 3 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 2
Voltage range 1 - 1.5V 0.85 - 1.35V
Operating temperature Unknown - 74.6°C Unknown - 67°C

overclocking

Overclocked clock speed 2.13 GHz 3.83 GHz
Overclocked clock speed (Water) 2.13 GHz 4.1 GHz
Overclocked clock speed (Air) 2.13 GHz 3.83 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Xeon EC3539
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Intel Xeon E5450
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