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Differences What are the advantages of each

Front view of Intel Pentium 4 520521

Reasons to consider the
Intel Pentium 4 520521

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Much more l2 cache 1 MB vs 0.13 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 2.8 GHz vs 1.8 GHz More than 55% higher clock speed
More threads 2 vs 1 Twice as many threads
Much more l2 cache per core 1 MB/core vs 0.13 MB/core 8x more l2 cache per core
Front view of AMD Sempron 3000+

Reasons to consider the
AMD Sempron 3000+

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More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
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
Significantly lower typical power consumption 50.38W vs 72.31W More than 30% lower typical power consumption
Significantly lower annual home energy cost 14.94 $/year vs 21.44 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 54.31 $/year vs 77.96 $/year More than 30% lower annual commercial energy cost
Higher Maximum operating temperature 70 °C vs 69.1 °C Almost the same

Features Key features of the Pentium 4 520521  vs Sempron 3000+ 

clock speed

L2 cache

Specifications Full list of technical specs

summary

Pentium 4 520521  vs
Sempron 3000+ 
Clock speed 2.8 GHz 1.8 GHz
Cores Single core Single core
Socket type
478
754

features

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

power consumption

TDP 89W 62W
Annual home energy cost 21.44 $/year 14.94 $/year
Annual commercial energy cost 77.96 $/year 54.31 $/year
Typical power consumption 72.31W 50.38W

details

Pentium 4 520521  vs
Sempron 3000+ 
Architecture x86 x86-64
Threads 2 1
L2 cache 1 MB 0.13 MB
L2 cache per core 1 MB/core 0.13 MB/core
Manufacture process 90 nm 90 nm
Max CPUs 1 1
Operating temperature Unknown - 69.1°C Unknown - 70°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 800 MHz 200 MHz
Intel Pentium 4 520521
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AMD Sempron 3000+
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