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Differences What are the advantages of each

Front view of Intel Core2 Duo E8135

Reasons to consider the
Intel Core2 Duo E8135

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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 2.67 GHz vs 1.3 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
Significantly better overclocked clock speed (Air) 2.6 GHz vs 1.3 GHz More than 2x better overclocked clock speed (Air)
More cores 2 vs 1 Twice as many cores; run more applications at once
Better PassMark score 1,681 vs 271 Around 6.2x better PassMark score
Significantly better overclocked clock speed (Water) 2.4 GHz vs 1.3 GHz Around 85% better overclocked clock speed (Water)
Front view of Intel Atom E660

Reasons to consider the
Intel Atom E660

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CPUBoss is not aware of any important advantages of the Atom E660 vs the Core2 Duo E8135.

Benchmarks Real world tests of Core2 Duo E8135 vs Atom E660

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Core2 Duo E8135  vs
Atom E660 
Clock speed 2.67 GHz 1.3 GHz
Cores Dual core Single core

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supplemental SSE3

bus

Clock speed 1,066 MHz 2,500 MHz

details

Core2 Duo E8135  vs
Atom E660 
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

overclocking

Overclocked clock speed 2.6 GHz 1.3 GHz
Overclocked clock speed (Water) 2.4 GHz 1.3 GHz
Overclocked clock speed (Air) 2.6 GHz 1.3 GHz

power consumption

Typical power consumption N/A 2.92W
Intel Core2 Duo E8135
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Intel Atom E660
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