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Differences What are the advantages of each

Front view of AMD Opteron 8347 HE

Reasons to consider the
AMD Opteron 8347 HE

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More cores 4 vs 2 Twice as many cores; run more applications at once
Newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Significantly lower typical power consumption 44.69W vs 77.19W More than 40% lower typical power consumption
More threads 4 vs 2 Twice as many threads
Significantly lower annual commercial energy cost 48.18 $/year vs 83.22 $/year More than 40% lower annual commercial energy cost
Significantly lower annual home energy cost 13.25 $/year vs 22.89 $/year More than 40% lower annual home energy cost
Newer Sep, 2007 vs Sep, 2005 Release date over 1 years later
Front view of AMD Opteron 280

Reasons to consider the
AMD Opteron 280

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Much higher clock speed 2.4 GHz vs 1.9 GHz More than 25% higher clock speed
Much better overclocked clock speed (Air) 2.67 GHz vs 1.9 GHz More than 40% better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much better overclocked clock speed (Water) 2.4 GHz vs 1.9 GHz More than 25% better overclocked clock speed (Water)

Features Key features of the Opteron 8347 HE  vs 280 

clock speed

Opteron 8347 HE
1.9 GHz
Opteron 280
2.4 GHz

L2 cache

overclocked clock speed (air)

Opteron 8347 HE
1.9 GHz
Opteron 280
2.67 GHz

overclocked clock speed (water)

Opteron 8347 HE
1.9 GHz
Opteron 280
2.4 GHz

Specifications Full list of technical specs

summary

Opteron 8347 HE  vs
280 
Clock speed 1.9 GHz 2.4 GHz
Cores Quad core Dual core
Socket type
F
940

features

Has a NX bit Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

details

Opteron 8347 HE  vs
280 
Threads 4 2
L2 cache 2 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 65 nm 90 nm
Max CPUs 8 2
Clock multiplier 9 12
Voltage range 1.12 - UnknownV 1 - UnknownV
Operating temperature 0 - 55°C 0 - 67°C

overclocking

Overclocked clock speed 1.9 GHz 2.67 GHz
Overclocked clock speed (Water) 1.9 GHz 2.4 GHz
Overclocked clock speed (Air) 1.9 GHz 2.67 GHz

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
AMD Opteron 8347 HE
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AMD Opteron 280
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