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Differences What are the advantages of each

Front view of AMD Sempron 2800+

Reasons to consider the
AMD Sempron 2800+

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Much newer manufacturing process 90 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
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
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Better overclocked clock speed (Air) 2.36 GHz vs 1.97 GHz Around 20% better overclocked clock speed (Air)
Slightly better overclocked clock speed (Water) 1.8 GHz vs 1.6 GHz More than 10% better overclocked clock speed (Water)
Front view of AMD K8 Athlon XP-M 3000+

Reasons to consider the
AMD K8 Athlon XP-M 3000+

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Significantly higher Maximum operating temperature 95 °C vs 70 °C More than 35% higher Maximum operating temperature

Benchmarks Real world tests of Sempron 2800+ vs K8 Athlon XP-M 3000+

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Sempron 2800+  vs
K8 Athlon XP-M 3000+ 
Clock speed 1.6 GHz 1.6 GHz
Cores Single core Single core
Socket type
754
AM2
462

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

bus

Clock speed 200 MHz 266 MHz

details

Sempron 2800+  vs
K8 Athlon XP-M 3000+ 
Threads 1 1
L2 cache 0.5 MB 0.25 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
Manufacture process 90 nm 130 nm
Max CPUs 1 1
Operating temperature Unknown - 70°C Unknown - 95°C

overclocking

Overclock popularity 1 1
Overclock review score 0 0
Overclocked clock speed 2.36 GHz 1.97 GHz
Overclocked clock speed (Water) 1.8 GHz 1.6 GHz
Overclocked clock speed (Air) 2.36 GHz 1.97 GHz

power consumption

TDP 62W 62W
Annual home energy cost 14.94 $/year 14.94 $/year
Annual commercial energy cost 54.31 $/year 54.31 $/year
Performance per watt 0.44 pt/W 0.63 pt/W
Typical power consumption 50.38W 50.38W
AMD Sempron 2800+
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AMD K8 Athlon XP-M 3000+
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