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Differences What are the advantages of each

Front view of AMD Sempron 3500+

Reasons to consider the
AMD Sempron 3500+

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Much lower typical power consumption 28.44W vs 36.56W More than 20% lower typical power consumption
Much higher Maximum operating temperature 78 °C vs 65 °C 20% higher Maximum operating temperature
Much lower annual home energy cost 8.43 $/year vs 10.84 $/year More than 20% lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 39.42 $/year More than 20% lower annual commercial energy cost
Front view of AMD Athlon 64 LE-1640

Reasons to consider the
AMD Athlon 64 LE-1640

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Much better overclocked clock speed (Air) 3.24 GHz vs 2.66 GHz More than 20% better overclocked clock speed (Air)
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Water) 3.79 GHz vs 2.93 GHz Around 30% better overclocked clock speed (Water)

Benchmarks Real world tests of Sempron 3500+ vs Athlon 64 LE-1640

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Sempron 3500+
181.4 MB/s

Specifications Full list of technical specs

summary

Sempron 3500+  vs
Athlon 64 LE-1640 
Clock speed 2 GHz 2.7 GHz
Cores Single core Single core
Socket type
AM2

features

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

details

Sempron 3500+  vs
Athlon 64 LE-1640 
Threads 1 1
L2 cache 0 MB 0.5 MB
L2 cache per core 0 MB/core 0.5 MB/core
Manufacture process 90 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 78°C Unknown - 65°C

overclocking

Overclocked clock speed 2.66 GHz 3.24 GHz
Overclocked clock speed (Water) 2.93 GHz 3.79 GHz
Overclocked clock speed (Air) 2.66 GHz 3.24 GHz

power consumption

TDP 35W 45W
Annual home energy cost 8.43 $/year 10.84 $/year
Annual commercial energy cost 30.66 $/year 39.42 $/year
Performance per watt 1.35 pt/W 0.93 pt/W
Typical power consumption 28.44W 36.56W
AMD Sempron 3500+
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AMD Athlon 64 LE-1640
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