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Differences What are the advantages of each

Front view of Intel Core2 Duo E8600

Reasons to consider the
Intel Core2 Duo E8600

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Much more l2 cache 6 MB vs 0.5 MB 12x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 0.25 MB/core 12x more l2 cache per core
Much better overclocked clock speed (Air) 4.61 GHz vs 3.43 GHz Around 35% better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much higher Maximum operating temperature 72.4 °C vs 65.3 °C More than 10% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.6 GHz vs 3.46 GHz Around 35% better overclocked clock speed (Water)
Front view of Intel Core i3 3220

Reasons to consider the
Intel Core i3 3220

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 44.69W vs 120.65W 2.7x lower typical power consumption
More threads 4 vs 2 Twice as many threads
Much better performance per watt 2.69 pt/W vs 1.1 pt/W Around 2.5x better performance per watt
Much lower annual home energy cost 13.25 $/year vs 47.3 $/year 3.6x lower annual home energy cost
Much lower annual commercial energy cost 48.18 $/year vs 113.62 $/year 2.4x lower annual commercial energy cost
Newer Sep, 2012 vs Jul, 2008 Release date over 4 years later

Benchmarks Real world tests of Core2 Duo E8600 vs Core i3 3220

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 Duo E8600
136,900 MB/s
Core i3 3220
173,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8600  vs
Core i3 3220 
Clock speed 3.33 GHz 3.3 GHz
Cores Dual core Dual core
Socket type
LGA 775
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing Yes 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 65W 55W
Annual home energy cost 47.3 $/year 13.25 $/year
Annual commercial energy cost 113.62 $/year 48.18 $/year
Performance per watt 1.1 pt/W 2.69 pt/W
Typical power consumption 120.65W 44.69W

details

Core2 Duo E8600  vs
Core i3 3220 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 6 MB 0.5 MB
L2 cache per core 3 MB/core 0.25 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 1 1
Clock multiplier 10 33
Operating temperature Unknown - 72.4°C Unknown - 65.3°C

overclocking

Overclock popularity 9 50
Overclocked clock speed 4.61 GHz 3.43 GHz
Overclocked clock speed (Water) 4.6 GHz 3.46 GHz
Overclocked clock speed (Air) 4.61 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 Duo E8600
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Intel Core i3 3220
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