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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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More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 4 Twice as many threads
Newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Water) 4.58 GHz vs 3.2 GHz Around 45% better overclocked clock speed (Water)
Front view of Intel Xeon 5063

Reasons to consider the
Intel Xeon 5063

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Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 3.2 GHz vs 2.93 GHz Around 10% higher clock speed
Much more l2 cache per core 2 MB/core vs 0.25 MB/core 8x more l2 cache per core
Much better overclocked clock speed (Air) 4.53 GHz vs 3.75 GHz More than 20% better overclocked clock speed (Air)

Features Key features of the Xeon X5570  vs 5063 

clock speed

Xeon X5570
2.93 GHz
Xeon 5063
3.2 GHz

L2 cache

Xeon X5570
1 MB
Xeon 5063
4 MB

overclocked clock speed (air)

Xeon X5570
3.75 GHz
Xeon 5063
4.53 GHz

overclocked clock speed (water)

Xeon X5570
4.58 GHz
Xeon 5063
3.2 GHz

TDP

Specifications Full list of technical specs

summary

Xeon X5570  vs
5063 
Clock speed 2.93 GHz 3.2 GHz
Cores Quad core Dual core
Socket type
LGA 1366
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
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

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

memory controller

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

details

Xeon X5570  vs
5063 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 4 MB
L2 cache per core 0.25 MB/core 2 MB/core
Manufacture process 45 nm 65 nm
Transistor count 731,000,000 376,000,000
Max CPUs 2 2
Clock multiplier 22 12
Voltage range 0.75 - 1.35V 1.07 - 1.35V
Operating temperature Unknown - 75°C Unknown - 67°C

overclocking

Overclocked clock speed 3.75 GHz 4.53 GHz
Overclocked clock speed (Water) 4.58 GHz 3.2 GHz
Overclocked clock speed (Air) 3.75 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

bus

Architecture QPI FSB
Number of links 2 1
Clock speed 3,200 MHz 1,066 MHz
Intel Xeon X5570
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Intel Xeon 5063
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