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Differences What are the advantages of each

Front view of Intel Xeon X5450

Reasons to consider the
Intel Xeon X5450

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Much more l2 cache 12 MB vs 2 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3 GHz vs 2.5 GHz 20% higher clock speed
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Much better overclocked clock speed (Air) 4.07 GHz vs 2.51 GHz More than 60% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3 GHz vs 2.5 GHz 20% better overclocked clock speed (Water)
Front view of AMD Opteron 2380

Reasons to consider the
AMD Opteron 2380

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Much lower typical power consumption 60.94W vs 97.5W Around 40% lower typical power consumption
Much lower annual commercial energy cost 65.7 $/year vs 105.12 $/year Around 40% lower annual commercial energy cost
Much lower annual home energy cost 18.07 $/year vs 28.91 $/year Around 40% lower annual home energy cost
Newer Nov, 2008 vs Nov, 2007 Release date a year later

Benchmarks Real world tests of Xeon X5450 vs Opteron 2380

PassMark Data courtesy Passmark

Xeon X5450
4,167
Opteron 2380
2,640

Specifications Full list of technical specs

summary

Xeon X5450  vs
Opteron 2380 
Clock speed 3 GHz 2.5 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
SSE4.1
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 120W 75W
Annual home energy cost 28.91 $/year 18.07 $/year
Annual commercial energy cost 105.12 $/year 65.7 $/year
Performance per watt 1.46 pt/W 1.44 pt/W
Typical power consumption 97.5W 60.94W

details

Xeon X5450  vs
Opteron 2380 
Threads 4 4
L2 cache 12 MB 2 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 2 2
Clock multiplier 9 12
Voltage range 0.85 - 1.35V 1.3 - UnknownV
Operating temperature Unknown - 63°C 0 - 55°C

overclocking

Overclocked clock speed 4.07 GHz 2.51 GHz
Overclocked clock speed (Water) 3 GHz 2.5 GHz
Overclocked clock speed (Air) 4.07 GHz 2.51 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

Clock speed 1,333 MHz 2,000 MHz
Intel Xeon X5450
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AMD Opteron 2380
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