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Differences What are the advantages of each

Front view of Intel Xeon E5220

Reasons to consider the
Intel Xeon E5220

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Much more l2 cache 6 MB vs 3 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 1.5 MB/core 2x more l2 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Front view of Intel Core2 Duo E7500

Reasons to consider the
Intel Core2 Duo E7500

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Higher clock speed 2.93 GHz vs 2.33 GHz More than 25% higher clock speed
Higher Maximum operating temperature 74.1 °C vs 66 °C More than 10% higher Maximum operating temperature
Better overclocked clock speed (Air) 3.83 GHz vs 2.33 GHz Around 65% better overclocked clock speed (Air)
Newer Jan, 2009 vs Feb, 2008 Release date 10 months later
Better overclocked clock speed (Water) 4.05 GHz vs 2.33 GHz Around 75% better overclocked clock speed (Water)

Features Key features of the Xeon E5220  vs Core2 Duo E7500 

clock speed

Xeon E5220
2.33 GHz
Core2 Duo E7500
2.93 GHz

L2 cache

overclocked clock speed (air)

Xeon E5220
2.33 GHz
Core2 Duo E7500
3.83 GHz

overclocked clock speed (water)

Xeon E5220
2.33 GHz
Core2 Duo E7500
4.05 GHz

Specifications Full list of technical specs

summary

Xeon E5220  vs
Core2 Duo E7500 
Clock speed 2.33 GHz 2.93 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 Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

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

bus

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

details

Xeon E5220  vs
Core2 Duo E7500 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 3 MB
L2 cache per core 3 MB/core 1.5 MB/core
Manufacture process 45 nm 45 nm
Transistor count 410,000,000 228,000,000
Max CPUs 2 1
Clock multiplier 7 11
Voltage range 0.85 - 1.35V 0.85 - 1.36V
Operating temperature Unknown - 66°C Unknown - 74.1°C

overclocking

Overclocked clock speed 2.33 GHz 3.83 GHz
Overclocked clock speed (Water) 2.33 GHz 4.05 GHz
Overclocked clock speed (Air) 2.33 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 E5220
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Intel Core2 Duo E7500
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