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Differences What are the advantages of each

Front view of AMD Second Generation Opteron 8220

Reasons to consider the
AMD Second Generation Opteron 8220

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Significantly lower typical power consumption 77.19W vs 105.55W More than 25% lower typical power consumption
Higher clock speed 2.8 GHz vs 2.6 GHz Around 10% higher clock speed
Much lower annual home energy cost 22.89 $/year vs 37.37 $/year Around 40% lower annual home energy cost
Significantly lower annual commercial energy cost 83.22 $/year vs 105.12 $/year More than 20% lower annual commercial energy cost
Front view of AMD A6 3650

Reasons to consider the
AMD A6 3650

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Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
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
More cores 4 vs 2 Twice as many cores; run more applications at once
Newer Jun, 2011 vs Feb, 2007 Release date over 4 years later
More threads 4 vs 2 Twice as many threads

Features Key features of the Second Generation Opteron 8220  vs A6 3650 

Specifications Full list of technical specs

summary

Second Generation Opteron 8220  vs
A6 3650 
Clock speed 2.8 GHz 2.6 GHz
Cores Dual core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
AMD-V
3DNow!
Supports dynamic frequency scaling Yes Yes

details

Second Generation Opteron 8220  vs
A6 3650 
Threads 2 4
L2 cache 2 MB 4 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 90 nm 32 nm
Max CPUs 8 1
Operating temperature 0 - 72°C Unknown - 72.7°C

power consumption

TDP 95W 100W
Annual home energy cost 22.89 $/year 37.37 $/year
Annual commercial energy cost 83.22 $/year 105.12 $/year
Typical power consumption 77.19W 105.55W
AMD Second Generation Opteron 8220
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AMD A6 3650
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