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Intel Xeon E5440

Front view of Intel Xeon E5440
Front view of Intel Xeon 5063

Intel Xeon 5063

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Differences What are the advantages of each

Front view of Intel Xeon E5440

Reasons to consider the
Intel Xeon E5440

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Much more l2 cache 12 MB vs 4 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
Much more l2 cache per core 3 MB/core vs 2 MB/core 50% more l2 cache per core
Newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 65W vs 77.19W More than 15% lower typical power consumption
Much better overclocked clock speed (Water) 3.96 GHz vs 3.2 GHz Around 25% better overclocked clock speed (Water)
Lower annual commercial energy cost 70.08 $/year vs 83.22 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 19.27 $/year vs 22.89 $/year More than 15% lower annual home energy cost
Front view of Intel Xeon 5063

Reasons to consider the
Intel Xeon 5063

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Much higher clock speed 3.2 GHz vs 2.83 GHz Around 15% higher clock speed
Much better overclocked clock speed (Air) 4.53 GHz vs 3.61 GHz More than 25% better overclocked clock speed (Air)

Features Key features of the Xeon E5440  vs 5063 

clock speed

Xeon E5440
2.83 GHz
Xeon 5063
3.2 GHz

L2 cache

Xeon E5440
12 MB
Xeon 5063
4 MB

overclocked clock speed (air)

Xeon E5440
3.61 GHz
Xeon 5063
4.53 GHz

overclocked clock speed (water)

Xeon E5440
3.96 GHz
Xeon 5063
3.2 GHz

TDP

Xeon E5440
80W
Xeon 5063
95W

Specifications Full list of technical specs

summary

 Xeon E5440  vs
5063 
Clock speed 2.83 GHz 3.2 GHz
Cores Quad core Dual core
Socket type
LGA 771

features
Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 80W 95W
Annual home energy cost 19.27 $/year 22.89 $/year
Annual commercial energy cost 70.08 $/year 83.22 $/year
Typical power consumption 65W 77.19W

bus
Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 1,066 MHz

details

 Xeon E5440  vs
5063 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 4 MB
L2 cache per core 3 MB/core 2 MB/core
Manufacture process 45 nm 65 nm
Transistor count 820,000,000 376,000,000
Max CPUs 2 2
Clock multiplier 8 12
Voltage range 0.85 - 1.35V 1.07 - 1.35V
Operating temperature Unknown - 67°C Unknown - 67°C

overclocking
Overclocked clock speed 3.61 GHz 4.53 GHz
Overclocked clock speed (Water) 3.96 GHz 3.2 GHz
Overclocked clock speed (Air) 3.61 GHz 4.53 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 E5440
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Intel Xeon 5063
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