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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 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3.33 GHz vs 2.1 GHz Around 60% higher clock speed
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Much better overclocked clock speed (Air) 4.61 GHz vs 2.1 GHz Around 2.2x better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.6 GHz vs 2.1 GHz Around 2.2x better overclocked clock speed (Water)
Front view of Intel Core i3 2308M

Reasons to consider the
Intel Core i3 2308M

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Much lower typical power consumption 28.44W vs 120.65W 4.2x lower typical power consumption
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower annual home energy cost 8.43 $/year vs 47.3 $/year 5.6x lower annual home energy cost
Newer Aug, 2012 vs Jul, 2008 Release date over 4 years later
Higher Maximum operating temperature 85 °C vs 72.4 °C More than 15% higher Maximum operating temperature
Much lower annual commercial energy cost 30.66 $/year vs 113.62 $/year 3.7x lower annual commercial energy cost
More threads 4 vs 2 Twice as many threads

Features Key features of the Core2 Duo E8600  vs Core i3 2308M 

clock speed

Core2 Duo E8600
3.33 GHz
Core i3 2308M
2.1 GHz

L2 cache

overclocked clock speed (air)

Core2 Duo E8600
4.61 GHz
Core i3 2308M
2.1 GHz

overclocked clock speed (water)

Core2 Duo E8600
4.6 GHz
Core i3 2308M
2.1 GHz

Specifications Full list of technical specs

summary

Core2 Duo E8600  vs
Core i3 2308M 
Clock speed 3.33 GHz 2.1 GHz
Cores Dual core Dual core
Socket type
LGA 775
rPGA 988B

features

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

bus

Architecture FSB DMI

details

Core2 Duo E8600  vs
Core i3 2308M 
Threads 2 4
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 32 nm
Operating temperature Unknown - 72.4°C Unknown - 85°C

overclocking

Overclocked clock speed 4.61 GHz 2.1 GHz
Overclocked clock speed (Water) 4.6 GHz 2.1 GHz
Overclocked clock speed (Air) 4.61 GHz 2.1 GHz

power consumption

TDP 65W 35W
Annual home energy cost 47.3 $/year 8.43 $/year
Annual commercial energy cost 113.62 $/year 30.66 $/year
Typical power consumption 120.65W 28.44W
Intel Core2 Duo E8600
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Intel Core i3 2308M
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