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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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Much lower typical power consumption 15.84W vs 36.56W 2.3x lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much lower annual home energy cost 4.7 $/year vs 10.84 $/year 2.3x lower annual home energy cost
Much lower annual commercial energy cost 17.08 $/year vs 39.42 $/year 2.3x lower annual commercial energy cost
Front view of AMD Athlon II X2 250e

Reasons to consider the
AMD Athlon II X2 250e

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Much higher clock speed 3 GHz vs 0.6 GHz 5x 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
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
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
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines

Features Key features of the Pentium III 600E  vs Athlon II X2 250e 

clock speed

L2 cache

Specifications Full list of technical specs

summary

Pentium III 600E  vs
Athlon II X2 250e 
Clock speed 0.6 GHz 3 GHz
Cores Single core Dual core
Socket type
370
AM3

features

Has a NX bit No Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling No Yes

power consumption

TDP 19.5W 45W
Annual home energy cost 4.7 $/year 10.84 $/year
Annual commercial energy cost 17.08 $/year 39.42 $/year
Typical power consumption 15.84W 36.56W

details

Pentium III 600E  vs
Athlon II X2 250e 
Architecture x86 x86-64
Threads 1 2
L2 cache 0.25 MB 2 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 180 nm 45 nm
Max CPUs 2 1
Operating temperature Unknown - 82°C Unknown - 72°C

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

Clock speed 100 MHz 2,000 MHz
Intel Pentium III 600E
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AMD Athlon II X2 250e
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