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Differences What are the advantages of each

Front view of AMD Opteron 185

Reasons to consider the
AMD Opteron 185

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Higher clock speed 2.6 GHz vs 2.2 GHz Around 20% higher clock speed
Higher Maximum operating temperature 65 °C vs 55 °C Around 20% higher Maximum operating temperature
Front view of AMD Athlon X2 4400+

Reasons to consider the
AMD Athlon X2 4400+

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Lower typical power consumption 72.31W vs 89.38W Around 20% lower typical power consumption
Lower annual commercial energy cost 77.96 $/year vs 96.36 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 21.44 $/year vs 26.5 $/year Around 20% lower annual home energy cost

Features Key features of the Opteron 185  vs Athlon X2 4400+ 

clock speed

Opteron 185
2.6 GHz
Athlon X2 4400+
2.2 GHz

L2 cache

Specifications Full list of technical specs

summary

Opteron 185  vs
Athlon X2 4400+ 
Clock speed 2.6 GHz 2.2 GHz
Cores Dual core Dual core
Socket type
939
AM2

features

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

details

Opteron 185  vs
Athlon X2 4400+ 
Threads 2 2
L2 cache 2 MB 2 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 90 nm 90 nm
Max CPUs 1 1
Operating temperature 0 - 65°C Unknown - 55°C

power consumption

TDP 110W 89W
Annual home energy cost 26.5 $/year 21.44 $/year
Annual commercial energy cost 96.36 $/year 77.96 $/year
Typical power consumption 89.38W 72.31W
AMD Opteron 185
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AMD Athlon X2 4400+
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