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Differences What are the advantages of each

Front view of Intel Core2 Quad Q9550

Reasons to consider the
Intel Core2 Quad Q9550

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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
Significantly higher clock speed 2.83 GHz vs 2 GHz More than 40% higher clock speed
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
More cores 4 vs 2 Twice as many cores; run more applications at once
Front view of Intel Core i3 2115C

Reasons to consider the
Intel Core i3 2115C

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Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 20.31W vs 77.19W 3.8x lower typical power consumption
Newer Apr, 2012 vs Jan, 2008 Release date over 4 years later
Much lower annual home energy cost 6.02 $/year vs 22.89 $/year 3.8x lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 83.22 $/year 3.8x lower annual commercial energy cost

Features Key features of the Core2 Quad Q9550  vs Core i3 2115C 

clock speed

L2 cache

Specifications Full list of technical specs

summary

Core2 Quad Q9550  vs
Core i3 2115C 
Clock speed 2.83 GHz 2 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

bus

Architecture FSB DMI
Number of links 1 1

details

Core2 Quad Q9550  vs
Core i3 2115C 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1

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

power consumption

TDP 95W 25W
Annual home energy cost 22.89 $/year 6.02 $/year
Annual commercial energy cost 83.22 $/year 21.9 $/year
Typical power consumption 77.19W 20.31W
Intel Core2 Quad Q9550
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Intel Core i3 2115C
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