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Differences What are the advantages of each

Front view of AMD Opteron 8356

Reasons to consider the
AMD Opteron 8356

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Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Significantly lower typical power consumption 60.94W vs 85.31W Around 30% lower typical power consumption
Significantly lower annual commercial energy cost 65.7 $/year vs 91.98 $/year Around 30% lower annual commercial energy cost
Significantly lower annual home energy cost 18.07 $/year vs 25.29 $/year Around 30% lower annual home energy cost
Front view of AMD Opteron 2439 SE

Reasons to consider the
AMD Opteron 2439 SE

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Much higher clock speed 2.8 GHz vs 2.3 GHz More than 20% higher clock speed
Much more l2 cache 3 MB vs 2 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 6 MB vs 2 MB 3x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 6 vs 4 2 more cores; run more applications at once
Newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 6 vs 4 2 more threads
More l3 cache per core 1 MB/core vs 0.5 MB/core 2x more l3 cache per core
Newer Jul, 2009 vs Apr, 2008 Release date over 1 years later

Features Key features of the Opteron 8356  vs 2439 SE 

clock speed

Opteron 8356
2.3 GHz
Opteron 2439 SE
2.8 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Opteron 8356  vs
2439 SE 
Clock speed 2.3 GHz 2.8 GHz
Cores Quad core Hexa core
Socket type
F
Is unlocked No No

features

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

power consumption

TDP 75W 105W
Annual home energy cost 18.07 $/year 25.29 $/year
Annual commercial energy cost 65.7 $/year 91.98 $/year
Typical power consumption 60.94W 85.31W

details

Opteron 8356  vs
2439 SE 
Threads 4 6
L2 cache 2 MB 3 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 2 MB 6 MB
L3 cache per core 0.5 MB/core 1 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 8 2
Clock multiplier 11 14
Voltage range 1 - UnknownV 1 - UnknownV
Operating temperature 0 - 55°C 0 - 55°C

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus

Clock speed 1,000 MHz 2,200 MHz
AMD Opteron 8356
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AMD Opteron 2439 SE
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