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Differences What are the advantages of each

Front view of AMD Sempron 3000+

Reasons to consider the
AMD Sempron 3000+

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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
Front view of AMD Athlon 64 X2 5000+

Reasons to consider the
AMD Athlon 64 X2 5000+

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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
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher clock speed 2.6 GHz vs 1.8 GHz Around 45% higher clock speed
Much better PassMark score 1,497 vs 407 Around 3.8x better PassMark score
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
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
Much more l2 cache per core 0.5 MB/core vs 0.13 MB/core 4x more l2 cache per core

Benchmarks Real world tests of Sempron 3000+ vs Athlon 64 X2 5000+

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Sempron 3000+  vs
Athlon 64 X2 5000+ 
Clock speed 1.8 GHz 2.6 GHz
Cores Single core Dual core
Socket type
754
AM2
Is unlocked No Yes

features

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

details

Sempron 3000+  vs
Athlon 64 X2 5000+ 
Threads 1 2
L2 cache 0.13 MB 1 MB
L2 cache per core 0.13 MB/core 0.5 MB/core
Manufacture process 90 nm 90 nm
Max CPUs 1 1
Operating temperature Unknown - 70°C Unknown - 70°C

power consumption

TDP 62W 89W
Annual home energy cost 14.94 $/year 21.44 $/year
Annual commercial energy cost 54.31 $/year 77.96 $/year
Performance per watt 0.6 pt/W 0.61 pt/W
Typical power consumption 50.38W 72.31W
AMD Sempron 3000+
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AMD Athlon 64 X2 5000+
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