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AMD Opteron 185

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Front view of AMD Opteron 185

Differences What are the advantages of each

Front view of AMD Opteron 185

Reasons to consider the
AMD Opteron 185

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Much 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
More threads 2 vs 1 Twice as many threads
Newer Mar, 2006 vs Aug, 2005 Release date 7 months later
Front view of AMD Opteron 154

Reasons to consider the
AMD Opteron 154

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Significantly higher clock speed 2.8 GHz vs 2.6 GHz Around 10% higher clock speed
Better overclocked clock speed (Air) 3.16 GHz vs 3.04 GHz Around 5% better overclocked clock speed (Air)
Slightly lower typical power consumption 84.5W vs 89.38W More than 5% lower typical power consumption
Significantly better overclocked clock speed (Water) 2.8 GHz vs 2.6 GHz Around 10% better overclocked clock speed (Water)
Slightly lower annual commercial energy cost 91.1 $/year vs 96.36 $/year More than 5% lower annual commercial energy cost
Slightly lower annual home energy cost 25.05 $/year vs 26.5 $/year More than 5% lower annual home energy cost

Benchmarks Real world tests of Opteron 185 vs 154

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Opteron 185  vs
154 
Clock speed 2.6 GHz 2.8 GHz
Cores Dual core Single core
Socket type
939

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
154 
Threads 2 1
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 90 nm 90 nm
Max CPUs 1 1
Clock multiplier 13 14
Voltage range 1.3 - UnknownV 1.3 - UnknownV
Operating temperature 0 - 65°C 0 - 65°C

overclocking

Overclocked clock speed 3.04 GHz 3.16 GHz
Overclocked clock speed (Water) 2.6 GHz 2.8 GHz
Overclocked clock speed (Air) 3.04 GHz 3.16 GHz

power consumption

TDP 110W 104W
Annual home energy cost 26.5 $/year 25.05 $/year
Annual commercial energy cost 96.36 $/year 91.1 $/year
Performance per watt 0.53 pt/W 0.58 pt/W
Typical power consumption 89.38W 84.5W
AMD Opteron 185
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AMD Opteron 154
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