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Differences What are the advantages of each

Front view of Intel Core2 Quad Q6600

Reasons to consider the
Intel Core2 Quad Q6600

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Much more l2 cache 8 MB vs 0.5 MB 16x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
Much more l2 cache per core 2 MB/core vs 0.25 MB/core 8x more l2 cache per core
Significantly better overclocked clock speed (Water) 3.6 GHz vs 3.2 GHz Around 15% better overclocked clock speed (Water)
Front view of Intel Core i3 550

Reasons to consider the
Intel Core i3 550

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Much higher clock speed 3.2 GHz vs 2.4 GHz Around 35% higher clock speed
Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better overclocked clock speed (Air) 4.54 GHz vs 3.52 GHz Around 30% better overclocked clock speed (Air)
Much lower typical power consumption 59.31W vs 85.31W More than 30% lower typical power consumption
Much higher Maximum operating temperature 72.6 °C vs 62.2 °C More than 15% higher Maximum operating temperature
Much lower annual commercial energy cost 63.95 $/year vs 91.98 $/year More than 30% lower annual commercial energy cost
Much lower annual home energy cost 17.59 $/year vs 25.29 $/year More than 30% lower annual home energy cost
Newer Apr, 2010 vs Jan, 2007 Release date over 3 years later

Benchmarks Real world tests of Core2 Quad Q6600 vs Core i3 550

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 Quad Q6600
102,800 MB/s
Core i3 550
128,500 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Specifications Full list of technical specs

summary

Core2 Quad Q6600  vs
Core i3 550 
Clock speed 2.4 GHz 3.2 GHz
Cores Quad core Dual core
Socket type
LGA 775
LGA 1156

features

Has a NX bit Yes Yes
Supports trusted computing No No
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

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 733 MHz

bus

Architecture FSB DMI
Number of links 1 1

details

Core2 Quad Q6600  vs
Core i3 550 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 8 MB 0.5 MB
L2 cache per core 2 MB/core 0.25 MB/core
Manufacture process 65 nm 32 nm
Transistor count 582,000,000 382,000,000
Max CPUs 1 1
Clock multiplier 9 24
Voltage range 0.85 - 1.5V 0.65 - 1.4V
Operating temperature Unknown - 62.2°C Unknown - 72.6°C

overclocking

Overclock popularity 278 17
Overclock review score 5 2
Overclocked clock speed 3.52 GHz 4.54 GHz
Overclocked clock speed (Water) 3.6 GHz 3.2 GHz
Overclocked clock speed (Air) 3.52 GHz 4.54 GHz

power consumption

TDP 105W 73W
Annual home energy cost 25.29 $/year 17.59 $/year
Annual commercial energy cost 91.98 $/year 63.95 $/year
Performance per watt 1.19 pt/W 1.98 pt/W
Typical power consumption 85.31W 59.31W
Intel Core2 Quad Q6600
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Intel Core i3 550
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