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Intel Xeon X5450

CPUBoss Winner
Front view of Intel Xeon X5450

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 1 MB 12x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 1 MB/core 3x more l2 cache per core
Significantly higher clock speed 3 GHz vs 2.8 GHz More than 5% higher clock speed
More cores 4 vs 1 3 more cores; run more applications at once
Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 4.07 GHz vs 3 GHz More than 35% better overclocked clock speed (Air)
More threads 4 vs 1 3 more threads
Significantly better overclocked clock speed (Water) 3 GHz vs 2.8 GHz More than 5% better overclocked clock speed (Water)
Newer Nov, 2007 vs Aug, 2005 Release date over 2 years later
Front view of AMD Opteron 254

Reasons to consider the
AMD Opteron 254

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Significantly lower typical power consumption 75.24W vs 97.5W Around 25% lower typical power consumption
Significantly lower annual commercial energy cost 81.12 $/year vs 105.12 $/year Around 25% lower annual commercial energy cost
Significantly lower annual home energy cost 22.31 $/year vs 28.91 $/year Around 25% lower annual home energy cost

Benchmarks Real world tests of Xeon X5450 vs Opteron 254

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon X5450  vs
Opteron 254 
Clock speed 3 GHz 2.8 GHz
Cores Quad core Single core
Socket type
LGA 771
940

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supports dynamic frequency scaling Yes Yes

details

Xeon X5450  vs
Opteron 254 
Threads 4 1
L2 cache 12 MB 1 MB
L2 cache per core 3 MB/core 1 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 2 2
Clock multiplier 9 14
Voltage range 0.85 - 1.35V 1.3 - UnknownV
Operating temperature Unknown - 63°C 0 - 67°C

overclocking

Overclocked clock speed 4.07 GHz 3 GHz
Overclocked clock speed (Water) 3 GHz 2.8 GHz
Overclocked clock speed (Air) 4.07 GHz 3 GHz

power consumption

TDP 120W 92.6W
Annual home energy cost 28.91 $/year 22.31 $/year
Annual commercial energy cost 105.12 $/year 81.12 $/year
Performance per watt 1.46 pt/W 0.69 pt/W
Typical power consumption 97.5W 75.24W
Intel Xeon X5450
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AMD Opteron 254
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