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Front view of Intel Atom E660

Intel Atom E660

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Pentium G850

Reasons to consider the
Intel Pentium G850

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Much higher clock speed 2.9 GHz vs 1.3 GHz Around 2.2x higher clock speed
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Much better performance per dollar 1.95 pt/$ vs 0.2 pt/$ More than 9.5x better performance per dollar
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher GPU clock speed 850 MHz vs 400 MHz Around 2.2x higher GPU clock speed
More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better overclocked clock speed (Air) 3.05 GHz vs 1.3 GHz More than 2.2x better overclocked clock speed (Air)
Better PassMark score 2,663 vs 271 More than 9.8x better PassMark score
More cores 2 vs 1 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 2.9 GHz vs 1.3 GHz Around 2.2x better overclocked clock speed (Water)
Newer Apr, 2011 vs Sep, 2010 Release date 6 months later
Front view of Intel Atom E660

Reasons to consider the
Intel Atom E660

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Much lower typical power consumption 2.92W vs 72.05W 24.6x lower typical power consumption
Much lower annual home energy cost 0.87 $/year vs 27.79 $/year 32x lower annual home energy cost
Much lower annual commercial energy cost 3.15 $/year vs 68.5 $/year 21.7x lower annual commercial energy cost
Better performance per watt 3.07 pt/W vs 1.99 pt/W Around 55% better performance per watt

Benchmarks Real world tests of Pentium G850 vs Atom E660

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Pentium G850  vs
Atom E660 
Clock speed 2.9 GHz 1.3 GHz
Cores Dual core Single core

features

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

power consumption

TDP 65W 3.6W
Annual home energy cost 27.79 $/year 0.87 $/year
Annual commercial energy cost 68.5 $/year 3.15 $/year
Performance per watt 1.99 pt/W 3.07 pt/W
Typical power consumption 72.05W 2.92W

bus

Architecture DMI FSB
Number of links 1 1

details

Pentium G850  vs
Atom E660 
Architecture x86-64 x86
Threads 2 2
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1
Clock multiplier 29 13

overclocking

Overclocked clock speed 3.05 GHz 1.3 GHz
Overclocked clock speed (Water) 2.9 GHz 1.3 GHz
Overclocked clock speed (Air) 3.05 GHz 1.3 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Integrated
GPU clock speed 850 MHz 400 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
DDR2-800
DDR2
Channels Dual Channel Single Channel
Maximum bandwidth 21,333.32 MB/s 6,400 MB/s
Maximum memory size 32,768 MB 2,048 MB
Intel Pentium G850
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Intel Atom E660
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