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Differences What are the advantages of each

Front view of Intel Core2 Quad Q9450

Reasons to consider the
Intel Core2 Quad Q9450

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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 newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache per core 3 MB/core vs 1 MB/core 3x more l2 cache per core
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Front view of AMD Second Generation Opteron 8218

Reasons to consider the
AMD Second Generation Opteron 8218

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration

Features Key features of the Core2 Quad Q9450  vs Second Generation Opteron 8218 

Specifications Full list of technical specs

summary

Core2 Quad Q9450  vs
Second Generation Opteron 8218 
Clock speed 2.66 GHz 2.6 GHz
Cores Quad core Dual core
Socket type
LGA 775
F

features

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

details

Core2 Quad Q9450  vs
Second Generation Opteron 8218 
Threads 4 2
L2 cache 12 MB 2 MB
L2 cache per core 3 MB/core 1 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 1 8
Operating temperature Unknown - 71.4°C 0 - 72°C

power consumption

TDP 95W 95W
Annual home energy cost 22.89 $/year 22.89 $/year
Annual commercial energy cost 83.22 $/year 83.22 $/year
Typical power consumption 77.19W 77.19W
Intel Core2 Quad Q9450
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AMD Second Generation Opteron 8218
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