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Differences What are the advantages of each

Front view of Intel Pentium G850

Reasons to consider the
Intel Pentium G850

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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
Significantly higher clock speed 2.9 GHz vs 2 GHz Around 45% higher clock speed
Newer Apr, 2011 vs Aug, 2006 Release date over 4 years later
Lower typical power consumption 72.05W vs 77.19W More than 5% lower typical power consumption
Lower annual commercial energy cost 68.5 $/year vs 83.22 $/year Around 20% lower annual commercial energy cost
Front view of AMD Second Generation Opteron 2212

Reasons to consider the
AMD Second Generation Opteron 2212

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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Lower annual home energy cost 22.89 $/year vs 27.79 $/year Around 20% lower annual home energy cost

Features Key features of the Pentium G850  vs Second Generation Opteron 2212 

Specifications Full list of technical specs

summary

Pentium G850  vs
Second Generation Opteron 2212 
Clock speed 2.9 GHz 2 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

Pentium G850  vs
Second Generation Opteron 2212 
Threads 2 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 32 nm 90 nm
Max CPUs 1 2
Clock multiplier 29 10
Operating temperature Unknown - 69.1°C 0 - 72°C

power consumption

TDP 65W 95W
Annual home energy cost 27.79 $/year 22.89 $/year
Annual commercial energy cost 68.5 $/year 83.22 $/year
Typical power consumption 72.05W 77.19W
Intel Pentium G850
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AMD Second Generation Opteron 2212
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