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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 1 MB 6x 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 0.25 MB/core 12x more l2 cache per core
Much lower typical power consumption 52.81W vs 114.5W 2.2x lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much lower annual home energy cost 15.66 $/year vs 41.87 $/year 2.7x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 112.13 $/year Around 50% lower annual commercial energy cost
Front view of Intel Core i7 2600

Reasons to consider the
Intel Core i7 2600

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Significantly higher clock speed 3.4 GHz vs 2.33 GHz More than 45% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 3.93 GHz vs 2.33 GHz Around 70% better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More threads 8 vs 2 6 more threads
More cores 4 vs 2 Twice as many cores; run more applications at once
Newer Jan, 2011 vs Feb, 2008 Release date over 2 years later
Higher Maximum operating temperature 72.6 °C vs 66 °C Around 10% higher Maximum operating temperature
Much better overclocked clock speed (Water) 3.92 GHz vs 2.33 GHz Around 70% better overclocked clock speed (Water)

Features Key features of the Xeon E5220  vs Core i7 2600 

clock speed

Xeon E5220
2.33 GHz
Core i7 2600
3.4 GHz

L2 cache

overclocked clock speed (air)

Xeon E5220
2.33 GHz
Core i7 2600
3.93 GHz

overclocked clock speed (water)

Xeon E5220
2.33 GHz
Core i7 2600
3.92 GHz

TDP

Specifications Full list of technical specs

summary

Xeon E5220  vs
Core i7 2600 
Clock speed 2.33 GHz 3.4 GHz
Cores Dual core Quad core
Socket type
LGA 771
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 95W
Annual home energy cost 15.66 $/year 41.87 $/year
Annual commercial energy cost 56.94 $/year 112.13 $/year
Typical power consumption 52.81W 114.5W

bus

Architecture FSB DMI
Number of links 1 1

details

Xeon E5220  vs
Core i7 2600 
Architecture x86-64 x86-64
Threads 2 8
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.25 MB/core
Manufacture process 45 nm 32 nm
Transistor count 410,000,000 1,160,000,000
Max CPUs 2 1
Clock multiplier 7 34
Voltage range 0.85 - 1.35V 1.22 - 1.43V
Operating temperature Unknown - 66°C Unknown - 72.6°C

overclocking

Overclocked clock speed 2.33 GHz 3.93 GHz
Overclocked clock speed (Water) 2.33 GHz 3.92 GHz
Overclocked clock speed (Air) 2.33 GHz 3.93 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2000
Latest DirectX N/A 10.x
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,350 MHz
Intel Xeon E5220
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Intel Core i7 2600
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