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Differences What are the advantages of each

Front view of Intel Xeon E5320

Reasons to consider the
Intel Xeon E5320

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Much more l2 cache 8 MB vs 2 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 2 MB/core vs 0.5 MB/core 4x more l2 cache per core
Much better overclocked clock speed (Air) 2.81 GHz vs 1.9 GHz Around 50% better overclocked clock speed (Air)
Front view of AMD Opteron 8347 HE

Reasons to consider the
AMD Opteron 8347 HE

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Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Slightly higher clock speed 1.9 GHz vs 1.86 GHz Almost the same
Lower typical power consumption 44.69W vs 65W More than 30% lower typical power consumption
Lower annual commercial energy cost 48.18 $/year vs 70.08 $/year More than 30% lower annual commercial energy cost
Lower annual home energy cost 13.25 $/year vs 19.27 $/year More than 30% lower annual home energy cost
Newer Sep, 2007 vs Nov, 2006 Release date 10 months later

Features Key features of the Xeon E5320  vs Opteron 8347 HE 

clock speed

Xeon E5320
1.86 GHz
Opteron 8347 HE
1.9 GHz

L2 cache

overclocked clock speed (air)

Xeon E5320
2.81 GHz
Opteron 8347 HE
1.9 GHz

overclocked clock speed (water)

Xeon E5320
1.87 GHz
Opteron 8347 HE
1.9 GHz

Specifications Full list of technical specs

summary

Xeon E5320  vs
Opteron 8347 HE 
Clock speed 1.86 GHz 1.9 GHz
Cores Quad core Quad core
Socket type
LGA 771
F

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 80W 55W
Annual home energy cost 19.27 $/year 13.25 $/year
Annual commercial energy cost 70.08 $/year 48.18 $/year
Typical power consumption 65W 44.69W

bus

Clock speed 1,066 MHz 1,600 MHz

details

Xeon E5320  vs
Opteron 8347 HE 
Threads 4 4
L2 cache 8 MB 2 MB
L2 cache per core 2 MB/core 0.5 MB/core
Manufacture process 65 nm 65 nm
Max CPUs 2 8
Clock multiplier 7 9
Voltage range 1 - 1.5V 1.12 - UnknownV
Operating temperature Unknown - 66°C 0 - 55°C

overclocking

Overclocked clock speed 2.81 GHz 1.9 GHz
Overclocked clock speed (Water) 1.87 GHz 1.9 GHz
Overclocked clock speed (Air) 2.81 GHz 1.9 GHz

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
Intel Xeon E5320
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AMD Opteron 8347 HE
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