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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 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 lower typical power consumption 52.81W vs 156.35W 3x lower typical power consumption
Much more l2 cache per core 3 MB/core vs 0.25 MB/core 12x more l2 cache per core
Much lower annual home energy cost 15.66 $/year vs 53.98 $/year 3.4x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 157.68 $/year 2.8x lower annual commercial energy cost
Front view of Intel Core i7 860

Reasons to consider the
Intel Core i7 860

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Much better overclocked clock speed (Air) 4.14 GHz vs 2.67 GHz More than 55% better overclocked clock speed (Air)
Higher clock speed 2.8 GHz vs 2.67 GHz Around 5% higher clock speed
Much better overclocked clock speed (Water) 4.15 GHz vs 2.67 GHz More than 55% better overclocked clock speed (Water)
Newer Jul, 2009 vs Jan, 2008 Release date over 1 years later

Features Key features of the Core2 Quad Q9450S  vs Core i7 860 

clock speed

Core i7 860
2.8 GHz

L2 cache

overclocked clock speed (air)

Core i7 860
4.14 GHz

overclocked clock speed (water)

Core i7 860
4.15 GHz

Specifications Full list of technical specs

summary

Core2 Quad Q9450S  vs
Core i7 860 
Clock speed 2.67 GHz 2.8 GHz
Cores Quad core Quad core
Socket type
LGA 775
LGA 1156

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Core2 Quad Q9450S  vs
Core i7 860 
Threads 4 8
L2 cache 12 MB 1 MB
L2 cache per core 3 MB/core 0.25 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.67 GHz 4.14 GHz
Overclocked clock speed (Water) 2.67 GHz 4.15 GHz
Overclocked clock speed (Air) 2.67 GHz 4.14 GHz

power consumption

TDP 65W 95W
Annual home energy cost 15.66 $/year 53.98 $/year
Annual commercial energy cost 56.94 $/year 157.68 $/year
Typical power consumption 52.81W 156.35W
Intel Core2 Quad Q9450S
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Intel Core i7 860
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