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Differences What are the advantages of each

Front view of Intel Xeon 5063

Reasons to consider the
Intel Xeon 5063

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Much more l2 cache 4 MB vs 2 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 3.2 GHz vs 2.5 GHz Around 30% higher clock speed
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much more l2 cache per core 2 MB/core vs 1 MB/core 2x more l2 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Better overclocked clock speed (Air) 4.53 GHz vs 3.78 GHz Around 20% better overclocked clock speed (Air)
More threads 4 vs 2 Twice as many threads
Front view of Intel Pentium E5200

Reasons to consider the
Intel Pentium E5200

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Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Higher Maximum operating temperature 74.1 °C vs 67 °C More than 10% higher Maximum operating temperature
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Better overclocked clock speed (Water) 3.9 GHz vs 3.2 GHz More than 20% better overclocked clock speed (Water)

Features Key features of the Xeon 5063  vs Pentium E5200 

clock speed

Xeon 5063
3.2 GHz
Pentium E5200
2.5 GHz

L2 cache

overclocked clock speed (air)

Xeon 5063
4.53 GHz
Pentium E5200
3.78 GHz

overclocked clock speed (water)

Xeon 5063
3.2 GHz
Pentium E5200
3.9 GHz

TDP

Specifications Full list of technical specs

summary

Xeon 5063  vs
Pentium E5200 
Clock speed 3.2 GHz 2.5 GHz
Cores Dual core Dual core
Socket type
LGA 771
LGA 775

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes No
Instruction set extensions
SSE2
MMX
SSE3
SSE
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

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,066 MHz 800 MHz

details

Xeon 5063  vs
Pentium E5200 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 4 MB 2 MB
L2 cache per core 2 MB/core 1 MB/core
Manufacture process 65 nm 45 nm
Transistor count 376,000,000 228,000,000
Max CPUs 2 1
Clock multiplier 12 12
Voltage range 1.07 - 1.35V 0.85 - 1.36V
Operating temperature Unknown - 67°C Unknown - 74.1°C

overclocking

Overclocked clock speed 4.53 GHz 3.78 GHz
Overclocked clock speed (Water) 3.2 GHz 3.9 GHz
Overclocked clock speed (Air) 4.53 GHz 3.78 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 5063
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Intel Pentium E5200
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