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Differences What are the advantages of each

Front view of Intel Xeon X5570

Reasons to consider the
Intel Xeon X5570

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Much higher clock speed 2.93 GHz vs 2.13 GHz Around 40% higher clock speed
Much better overclocked clock speed (Air) 3.75 GHz vs 2.13 GHz More than 75% better overclocked clock speed (Air)
More threads 8 vs 4 Twice as many threads
Much better overclocked clock speed (Water) 4.58 GHz vs 2.13 GHz Around 2.2x better overclocked clock speed (Water)
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Front view of Intel Xeon EC3539

Reasons to consider the
Intel Xeon EC3539

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Significantly lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Newer Feb, 2010 vs Mar, 2009 Release date 10 months later

Features Key features of the Xeon X5570  vs EC3539 

clock speed

Xeon X5570
2.93 GHz
Xeon EC3539
2.13 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon X5570
3.75 GHz
Xeon EC3539
2.13 GHz

overclocked clock speed (water)

Xeon X5570
4.58 GHz
Xeon EC3539
2.13 GHz

TDP

Specifications Full list of technical specs

summary

Xeon X5570  vs
EC3539 
Clock speed 2.93 GHz 2.13 GHz
Cores Quad core Quad core
Socket type
LGA 1366

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 95W 65W
Annual home energy cost 22.89 $/year 15.66 $/year
Annual commercial energy cost 83.22 $/year 56.94 $/year
Typical power consumption 77.19W 52.81W

memory controller

Memory controller Built-in Built-in
Channels Triple Channel Triple Channel
Supports ECC Yes Yes

details

Xeon X5570  vs
EC3539 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 2 1
Voltage range 0.75 - 1.35V 1 - 1.5V
Operating temperature Unknown - 75°C Unknown - 74.6°C

overclocking

Overclocked clock speed 3.75 GHz 2.13 GHz
Overclocked clock speed (Water) 4.58 GHz 2.13 GHz
Overclocked clock speed (Air) 3.75 GHz 2.13 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

bus

Architecture QPI DMI
Number of links 2 1
Transfer rate 6,400 MT/s 2,500 MT/s
Intel Xeon X5570
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Intel Xeon EC3539
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