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Differences What are the advantages of each

Front view of AMD Sempron 3800+

Reasons to consider the
AMD Sempron 3800+

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CPUBoss is not aware of any important advantages of the Sempron 3800+ vs the Athlon 64 LE-1640.

Front view of AMD Athlon 64 LE-1640

Reasons to consider the
AMD Athlon 64 LE-1640

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Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 2.7 GHz vs 2.2 GHz Around 25% higher clock speed
More l2 cache 0.5 MB vs 0 MB Compared to all cpus, 0.5 MB l2 cache is just OK
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 MB/core Compared to all cpus, 0.5 MB/core l2 cache per core is just OK
Lower typical power consumption 36.56W vs 50.38W More than 25% lower typical power consumption
Significantly better overclocked clock speed (Air) 3.24 GHz vs 2.2 GHz More than 45% better overclocked clock speed (Air)
Higher Maximum operating temperature 65 °C vs 55 °C Around 20% higher Maximum operating temperature
Much better overclocked clock speed (Water) 3.79 GHz vs 2.2 GHz More than 70% better overclocked clock speed (Water)
Lower annual home energy cost 10.84 $/year vs 14.94 $/year More than 25% lower annual home energy cost
Lower annual commercial energy cost 39.42 $/year vs 54.31 $/year More than 25% lower annual commercial energy cost

Benchmarks Real world tests of Sempron 3800+ 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 3800+
59.1 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Sempron 3800+  vs
Athlon 64 LE-1640 
Clock speed 2.2 GHz 2.7 GHz
Cores Single core Single core
Socket type
S1
AM2

features

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

details

Sempron 3800+  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 - 55°C Unknown - 65°C

overclocking

Overclocked clock speed 2.2 GHz 3.24 GHz
Overclocked clock speed (Water) 2.2 GHz 3.79 GHz
PassMark (Overclocked) 912.1 1,121.9
Overclocked clock speed (Air) 2.2 GHz 3.24 GHz

power consumption

TDP 62W 45W
Annual home energy cost 14.94 $/year 10.84 $/year
Annual commercial energy cost 54.31 $/year 39.42 $/year
Performance per watt 0.59 pt/W 0.93 pt/W
Typical power consumption 50.38W 36.56W
AMD Sempron 3800+
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AMD Athlon 64 LE-1640
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