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Differences What are the advantages of each

Front view of Intel Celeron G1620

Reasons to consider the
Intel Celeron G1620

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Much newer manufacturing process 22 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 44.69W vs 77.19W More than 40% lower typical power consumption
Newer Jan, 2013 vs Feb, 2007 Release date over 6 years later
Much lower annual home energy cost 13.25 $/year vs 22.89 $/year More than 40% lower annual home energy cost
Much lower annual commercial energy cost 48.18 $/year vs 83.22 $/year More than 40% lower annual commercial energy cost
Front view of AMD Second Generation Opteron 8220

Reasons to consider the
AMD Second Generation Opteron 8220

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Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core

Features Key features of the Celeron G1620  vs Second Generation Opteron 8220 

Specifications Full list of technical specs

summary

Celeron G1620  vs
Second Generation Opteron 8220 
Clock speed 2.7 GHz 2.8 GHz
Cores Dual core Dual core
Socket type
LGA 1155
F

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Celeron G1620  vs
Second Generation Opteron 8220 
Threads 2 2
L2 cache 0.5 MB 2 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 22 nm 90 nm
Max CPUs 1 8

power consumption

TDP 55W 95W
Annual home energy cost 13.25 $/year 22.89 $/year
Annual commercial energy cost 48.18 $/year 83.22 $/year
Typical power consumption 44.69W 77.19W
Intel Celeron G1620
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AMD Second Generation Opteron 8220
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