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Differences What are the advantages of each

Front view of Intel Core2 Quad Q9450S

Reasons to consider the
Intel Core2 Quad Q9450S

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Much lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Front view of Intel Core2 Quad Q9450

Reasons to consider the
Intel Core2 Quad Q9450

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Much better overclocked clock speed (Air) 3.71 GHz vs 2.67 GHz Around 40% better overclocked clock speed (Air)

Features Key features of the Core2 Quad Q9450S  vs Q9450 

clock speed

L2 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Core2 Quad Q9450S  vs
Q9450 
Clock speed 2.67 GHz 2.66 GHz
Cores Quad core Quad core
Socket type
LGA 775

features

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

bus

Clock speed 1,333 MHz 1,333 MHz

details

Core2 Quad Q9450S  vs
Q9450 
Threads 4 4
L2 cache 12 MB 12 MB
L2 cache per core 3 MB/core 3 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.67 GHz 3.71 GHz
Overclocked clock speed (Water) 2.67 GHz 2.67 GHz
Overclocked clock speed (Air) 2.67 GHz 3.71 GHz

power consumption

TDP 65W 95W
Annual home energy cost 15.66 $/year 22.89 $/year
Annual commercial energy cost 56.94 $/year 83.22 $/year
Typical power consumption 52.81W 77.19W
Intel Core2 Quad Q9450S
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Intel Core2 Quad Q9450
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