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Differences What are the advantages of each

Front view of Intel Xeon X5680

Reasons to consider the
Intel Xeon X5680

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Much higher turbo clock speed 3.6 GHz vs 0 GHz Compared to all cpus, 3.6 GHz turbo clock speed is just OK
Much higher clock speed 3.33 GHz vs 2.2 GHz More than 50% higher clock speed
Much better overclocked clock speed (Air) 4.24 GHz vs 2.21 GHz More than 90% better overclocked clock speed (Air)
More threads 12 vs 8 4 more threads
Much better overclocked clock speed (Water) 4.55 GHz vs 2.2 GHz More than 2x better overclocked clock speed (Water)
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Front view of AMD Opteron 6132 HE

Reasons to consider the
AMD Opteron 6132 HE

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Much more l2 cache 4 MB vs 2 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower typical power consumption 69.06W vs 105.63W Around 35% lower typical power consumption
Significantly more l2 cache per core 0.5 MB/core vs 0.33 MB/core More than 50% more l2 cache per core
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Much lower annual commercial energy cost 74.46 $/year vs 113.88 $/year Around 35% lower annual commercial energy cost
Much lower annual home energy cost 20.48 $/year vs 31.32 $/year Around 35% lower annual home energy cost
Newer Feb, 2011 vs Mar, 2010 Release date 11 months later

Features Key features of the Xeon X5680  vs Opteron 6132 HE 

clock speed

Xeon X5680
3.33 GHz
Opteron 6132 HE
2.2 GHz

turbo clock speed

Xeon X5680
3.6 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon X5680
4.24 GHz
Opteron 6132 HE
2.21 GHz

overclocked clock speed (water)

Xeon X5680
4.55 GHz
Opteron 6132 HE
2.2 GHz

Specifications Full list of technical specs

summary

Xeon X5680  vs
Opteron 6132 HE 
Clock speed 3.33 GHz 2.2 GHz
Turbo clock speed 3.6 GHz 0 GHz
Cores Hexa core Octa core
Socket type
LGA 1366
G34

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES

power consumption

TDP 130W 85W
Annual home energy cost 31.32 $/year 20.48 $/year
Annual commercial energy cost 113.88 $/year 74.46 $/year
Typical power consumption 105.63W 69.06W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3

details

Xeon X5680  vs
Opteron 6132 HE 
Threads 12 8
L2 cache 2 MB 4 MB
L2 cache per core 0.33 MB/core 0.5 MB/core
L3 cache 12 MB 12 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 2 4
Clock multiplier 25 11
Voltage range 0.75 - 1.35V 1 - UnknownV
Operating temperature Unknown - 78.5°C Unknown - 55°C

overclocking

Overclocked clock speed 4.24 GHz 2.21 GHz
Overclocked clock speed (Water) 4.55 GHz 2.2 GHz
Overclocked clock speed (Air) 4.24 GHz 2.21 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

bus

Architecture QPI HyperTransport 3.0
Clock speed 3,200 MHz 3,200 MHz
Intel Xeon X5680
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AMD Opteron 6132 HE
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