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Differences What are the advantages of each

Front view of AMD Opteron 850

Reasons to consider the
AMD Opteron 850

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Much higher clock speed 2.4 GHz vs 2 GHz Around 20% higher clock speed
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Much better overclocked clock speed (Water) 2.4 GHz vs 2 GHz Around 20% better overclocked clock speed (Water)
Front view of AMD Opteron 146

Reasons to consider the
AMD Opteron 146

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Lower typical power consumption 54.44W vs 69.31W More than 20% lower typical power consumption
Better overclocked clock speed (Air) 2.86 GHz vs 2.73 GHz Around 5% better overclocked clock speed (Air)
Lower annual commercial energy cost 58.69 $/year vs 74.72 $/year More than 20% lower annual commercial energy cost
Lower annual home energy cost 16.14 $/year vs 20.55 $/year More than 20% lower annual home energy cost

Features Key features of the Opteron 850  vs 146 

clock speed

Opteron 850
2.4 GHz
Opteron 146
2 GHz

L2 cache

overclocked clock speed (air)

Opteron 850
2.73 GHz
Opteron 146
2.86 GHz

overclocked clock speed (water)

Opteron 850
2.4 GHz
Opteron 146
2 GHz

TDP

Specifications Full list of technical specs

summary

Opteron 850  vs
146 
Clock speed 2.4 GHz 2 GHz
Cores Single core Single core
Socket type
940
939

features

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

details

Opteron 850  vs
146 
Threads 1 1
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 130 nm 130 nm
Max CPUs 8 1
Clock multiplier 12 10
Voltage range 1.3 - UnknownV 1.3 - UnknownV
Operating temperature 0 - 71°C 0 - 65°C

overclocking

Overclocked clock speed 2.73 GHz 2.86 GHz
Overclocked clock speed (Water) 2.4 GHz 2 GHz
PassMark (Overclocked) 950.1 987.1
Overclocked clock speed (Air) 2.73 GHz 2.86 GHz

power consumption

TDP 85.3W 67W
Annual home energy cost 20.55 $/year 16.14 $/year
Annual commercial energy cost 74.72 $/year 58.69 $/year
Typical power consumption 69.31W 54.44W
AMD Opteron 850
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AMD Opteron 146
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