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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 86.05W Around 40% 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 31.22 $/year Around 50% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 84.62 $/year Around 35% lower annual commercial energy cost
Front view of Intel Core i5 3470

Reasons to consider the
Intel Core i5 3470

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Significantly higher clock speed 3.2 GHz vs 2.33 GHz More than 35% higher clock speed
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better overclocked clock speed (Air) 3.67 GHz vs 2.33 GHz More than 55% better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
Newer Jun, 2012 vs Feb, 2008 Release date over 4 years later
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Water) 4.09 GHz vs 2.33 GHz More than 75% better overclocked clock speed (Water)

Features Key features of the Xeon E5220  vs Core i5 3470 

clock speed

Xeon E5220
2.33 GHz
Core i5 3470
3.2 GHz

L2 cache

overclocked clock speed (air)

Xeon E5220
2.33 GHz
Core i5 3470
3.67 GHz

overclocked clock speed (water)

Xeon E5220
2.33 GHz
Core i5 3470
4.09 GHz

TDP

Specifications Full list of technical specs

summary

Xeon E5220  vs
Core i5 3470 
Clock speed 2.33 GHz 3.2 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 77W
Annual home energy cost 15.66 $/year 31.22 $/year
Annual commercial energy cost 56.94 $/year 84.62 $/year
Typical power consumption 52.81W 86.05W

bus

Architecture FSB DMI 2.0
Number of links 1 1

details

Xeon E5220  vs
Core i5 3470 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.25 MB/core
Manufacture process 45 nm 22 nm
Transistor count 410,000,000 1,400,000,000
Max CPUs 2 1
Clock multiplier 7 32
Voltage range 0.85 - 1.35V Unknown - 1.13V
Operating temperature Unknown - 66°C Unknown - 67.4°C

overclocking

Overclocked clock speed 2.33 GHz 3.67 GHz
Overclocked clock speed (Water) 2.33 GHz 4.09 GHz
Overclocked clock speed (Air) 2.33 GHz 3.67 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2500
Latest DirectX N/A 11.0
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,100 MHz
Intel Xeon E5220
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Intel Core i5 3470
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