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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 higher clock speed 3.33 GHz vs 1.6 GHz More than 2x higher clock speed
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Much better overclocked clock speed (Air) 4.61 GHz vs 1.6 GHz Around 3x better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better overclocked clock speed (Water) 4.6 GHz vs 1.6 GHz More than 2.8x better overclocked clock speed (Water)
More cores 2 vs 1 Twice as many cores; run more applications at once
Front view of Intel Atom E680T

Reasons to consider the
Intel Atom E680T

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Much lower typical power consumption 3.66W vs 120.65W 33x lower typical power consumption
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower annual home energy cost 1.08 $/year vs 47.3 $/year 43.6x lower annual home energy cost
Much lower annual commercial energy cost 3.94 $/year vs 113.62 $/year 28.8x lower annual commercial energy cost
Newer Sep, 2010 vs Jul, 2008 Release date over 2 years later

Features Key features of the Core2 Duo E8600  vs Atom E680T 

clock speed

Core2 Duo E8600
3.33 GHz
Atom E680T
1.6 GHz

L2 cache

overclocked clock speed (air)

Core2 Duo E8600
4.61 GHz
Atom E680T
1.6 GHz

overclocked clock speed (water)

Core2 Duo E8600
4.6 GHz
Atom E680T
1.6 GHz

Specifications Full list of technical specs

summary

Core2 Duo E8600  vs
Atom E680T 
Clock speed 3.33 GHz 1.6 GHz
Cores Dual core Single core

features

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

power consumption

TDP 65W 4.5W
Annual home energy cost 47.3 $/year 1.08 $/year
Annual commercial energy cost 113.62 $/year 3.94 $/year
Typical power consumption 120.65W 3.66W

details

Core2 Duo E8600  vs
Atom E680T 
Architecture x86-64 x86
Threads 2 2
L2 cache 6 MB 0.5 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1
Clock multiplier 10 16
Voltage range 0.85 - 1.36V 0.75 - 0.9V

overclocking

Overclocked clock speed 4.61 GHz 1.6 GHz
Overclocked clock speed (Water) 4.6 GHz 1.6 GHz
Overclocked clock speed (Air) 4.61 GHz 1.6 GHz

integrated graphics

GPU None GPU
Label N/A Integrated
GPU clock speed N/A 400 MHz

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 2,500 MHz
Intel Core2 Duo E8600
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Intel Atom E680T
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