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Intel Pentium III 600E

Front view of Intel Pentium III 600E
Front view of Intel Atom N270

Intel Atom N270

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Differences What are the advantages of each

Front view of Intel Pentium III 600E

Reasons to consider the
Intel Pentium III 600E

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Front view of Intel Atom N270

Reasons to consider the
Intel Atom N270

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Much newer manufacturing process 45 nm vs 180 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 1.6 GHz vs 0.6 GHz Around 2.8x higher clock speed
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
More l2 cache 0.5 MB vs 0.25 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Newer Jun, 2008 vs Oct, 1999 Release date over 8 years later
Lower typical power consumption 2.03W vs 15.84W 7.8x lower typical power consumption
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Lower annual home energy cost 0.6 $/year vs 4.7 $/year 7.8x lower annual home energy cost
Lower annual commercial energy cost 2.19 $/year vs 17.08 $/year 7.8x lower annual commercial energy cost

Features Key features of the Pentium III 600E  vs Atom N270 

clock speed

Pentium III 600E
0.6 GHz
Atom N270
1.6 GHz

L2 cache

Pentium III 600E
0.25 MB
Atom N270
0.5 MB

TDP

Pentium III 600E
19.5W
Atom N270
2.5W

Specifications Full list of technical specs

summary

 Pentium III 600E  vs
Atom N270 
Clock speed 0.6 GHz 1.6 GHz
Cores Single core Single core
Socket type
370
437

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

power consumption
TDP 19.5W 2.5W
Annual home energy cost 4.7 $/year 0.6 $/year
Annual commercial energy cost 17.08 $/year 2.19 $/year
Typical power consumption 15.84W 2.03W

details

 Pentium III 600E  vs
Atom N270 
Architecture x86 x86
Threads 1 2
L2 cache 0.25 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 180 nm 45 nm
Max CPUs 2 1
Clock multiplier 6 12

integrated graphics
GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus
Architecture FSB FSB
Number of links 1 1
Clock speed 100 MHz 533 MHz
Intel Pentium III 600E
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Intel Atom N270
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