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Differences What are the advantages of each

Front view of Intel Xeon X3220

Reasons to consider the
Intel Xeon X3220

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Much more l2 cache 8 MB vs 2 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 2.4 GHz vs 1.9 GHz More than 25% higher clock speed
Much more l2 cache per core 2 MB/core vs 0.5 MB/core 4x more l2 cache per core
Front view of AMD Third Generation Opteron 8347

Reasons to consider the
AMD Third Generation Opteron 8347

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Newer Aug, 2020 vs Jan, 2007 Release date over 13 years later
Lower typical power consumption 77.19W vs 85.31W Around 10% lower typical power consumption
Lower annual commercial energy cost 83.22 $/year vs 91.98 $/year Around 10% lower annual commercial energy cost
Lower annual home energy cost 22.89 $/year vs 25.29 $/year Around 10% lower annual home energy cost

Features Key features of the Xeon X3220  vs Third Generation Opteron 8347 

Specifications Full list of technical specs

summary

Xeon X3220  vs
Third Generation Opteron 8347 
Clock speed 2.4 GHz 1.9 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

details

Xeon X3220  vs
Third Generation Opteron 8347 
Threads 4 4
L2 cache 8 MB 2 MB
L2 cache per core 2 MB/core 0.5 MB/core
Manufacture process 65 nm 65 nm
Max CPUs 1 8
Clock multiplier 9 9
Voltage range 0.85 - 1.5V 1 - UnknownV

power consumption

TDP 105W 95W
Annual home energy cost 25.29 $/year 22.89 $/year
Annual commercial energy cost 91.98 $/year 83.22 $/year
Typical power consumption 85.31W 77.19W

bus

Clock speed 1,066 MHz 1,600 MHz
Intel Xeon X3220
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AMD Third Generation Opteron 8347
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