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Differences What are the advantages of each

Front view of AMD Sempron 140

Reasons to consider the
AMD Sempron 140

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Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 2.7 GHz vs 1.6 GHz Around 70% higher clock speed
More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better overclocked clock speed (Air) 3.69 GHz vs 1.6 GHz More than 2.2x better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Newer Jul, 2009 vs May, 2004 Release date over 5 years later
Much better overclocked clock speed (Water) 3.93 GHz vs 1.6 GHz Around 2.5x better overclocked clock speed (Water)
Front view of AMD Athlon 64 2700+

Reasons to consider the
AMD Athlon 64 2700+

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Much higher Maximum operating temperature 95 °C vs 63 °C More than 50% higher Maximum operating temperature
Lower typical power consumption 28.44W vs 36.56W More than 20% lower typical power consumption
Lower annual home energy cost 8.43 $/year vs 10.84 $/year More than 20% lower annual home energy cost
Lower annual commercial energy cost 30.66 $/year vs 39.42 $/year More than 20% lower annual commercial energy cost

Features Key features of the Sempron 140  vs Athlon 64 2700+ 

clock speed

Sempron 140
2.7 GHz
Athlon 64 2700+
1.6 GHz

L2 cache

overclocked clock speed (air)

Sempron 140
3.69 GHz
Athlon 64 2700+
1.6 GHz

overclocked clock speed (water)

Sempron 140
3.93 GHz
Athlon 64 2700+
1.6 GHz

Specifications Full list of technical specs

summary

Sempron 140  vs
Athlon 64 2700+ 
Clock speed 2.7 GHz 1.6 GHz
Cores Single core Single core
Socket type
AM3
754

features

Has a NX bit Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!

details

Sempron 140  vs
Athlon 64 2700+ 
Threads 1 1
L2 cache 1 MB 0.5 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 1 1
Operating temperature Unknown - 63°C Unknown - 95°C

overclocking

Overclocked clock speed 3.69 GHz 1.6 GHz
Overclocked clock speed (Water) 3.93 GHz 1.6 GHz
Overclocked clock speed (Air) 3.69 GHz 1.6 GHz

power consumption

TDP 45W 35W
Annual home energy cost 10.84 $/year 8.43 $/year
Annual commercial energy cost 39.42 $/year 30.66 $/year
Typical power consumption 36.56W 28.44W
AMD Sempron 140
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AMD Athlon 64 2700+
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