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Differences What are the advantages of each

Front view of Intel Core2 QX6700

Reasons to consider the
Intel Core2 QX6700

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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
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
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
Better overclocked clock speed (Air) 3.57 GHz vs 3.43 GHz Around 5% better overclocked clock speed (Air)
Front view of Intel Core i3 3220

Reasons to consider the
Intel Core i3 3220

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Much newer manufacturing process 22 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3.3 GHz vs 2.66 GHz Around 25% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 44.69W vs 105.63W 2.4x lower typical power consumption
Much lower annual commercial energy cost 48.18 $/year vs 113.88 $/year 2.4x lower annual commercial energy cost
Much lower annual home energy cost 13.25 $/year vs 31.32 $/year 2.4x lower annual home energy cost
Newer Sep, 2012 vs Nov, 2006 Release date over 5 years later
Higher Maximum operating temperature 65.3 °C vs 64.5 °C Almost the same
Better overclocked clock speed (Water) 3.46 GHz vs 3.3 GHz Around 5% better overclocked clock speed (Water)

Benchmarks Real world tests of Core2 QX6700 vs Core i3 3220

Cinebench R11.5

Cinebench R11.5 (Single Core)

Specifications Full list of technical specs

summary

Core2 QX6700  vs
Core i3 3220 
Clock speed 2.66 GHz 3.3 GHz
Cores Quad core Dual core
Socket type
LGA 775
LGA 1155
Is unlocked Yes No

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 55W
Annual home energy cost 31.32 $/year 13.25 $/year
Annual commercial energy cost 113.88 $/year 48.18 $/year
Typical power consumption 105.63W 44.69W

details

Core2 QX6700  vs
Core i3 3220 
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 22 nm
Max CPUs 1 1
Clock multiplier 10 33
Operating temperature Unknown - 64.5°C Unknown - 65.3°C

overclocking

Overclocked clock speed 3.57 GHz 3.43 GHz
Overclocked clock speed (Water) 3.3 GHz 3.46 GHz
Overclocked clock speed (Air) 3.57 GHz 3.43 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2500
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,050 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Core2 QX6700
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Intel Core i3 3220
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