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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 more l3 cache 1 MB vs 0 MB Compared to all cpus, 1 MB l3 cache is just OK
Much higher clock speed 2.7 GHz vs 2.1 GHz Around 30% higher clock speed
Much better PassMark (Single core) score 839 vs 631 Around 35% better PassMark (Single core) score
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per watt 1.95 pt/W vs 0.73 pt/W Around 2.8x better performance per watt
Much more l3 cache per core 1 MB/core vs 0 MB/core Compared to all cpus, 1 MB/core l3 cache per core is just OK
Much better overclocked clock speed (Air) 3.69 GHz vs 2.77 GHz Around 35% 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
Much higher Maximum operating temperature 63 °C vs 55 °C Around 15% higher Maximum operating temperature
Significantly lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
Much better overclocked clock speed (Water) 3.93 GHz vs 3.24 GHz More than 20% better overclocked clock speed (Water)
Newer Jul, 2009 vs May, 2006 Release date over 3 years later
Significantly lower annual home energy cost 10.84 $/year vs 15.66 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 39.42 $/year vs 56.94 $/year More than 30% lower annual commercial energy cost
Front view of AMD Athlon X2 4000+

Reasons to consider the
AMD Athlon X2 4000+

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More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads

Benchmarks Real world tests of Sempron 140 vs Athlon X2 4000+

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 140
105,900 MB/s
Athlon X2 4000+
62.3 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Sempron 140  vs
Athlon X2 4000+ 
Clock speed 2.7 GHz 2.1 GHz
Cores Single core Dual core
Socket type
AM3
AM2
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 45W 65W
Annual home energy cost 10.84 $/year 15.66 $/year
Annual commercial energy cost 39.42 $/year 56.94 $/year
Performance per watt 1.95 pt/W 0.73 pt/W
Typical power consumption 36.56W 52.81W

details

Sempron 140  vs
Athlon X2 4000+ 
Architecture x86-64 x86-64
Threads 1 2
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
L3 cache 1 MB 0 MB
L3 cache per core 1 MB/core 0 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 63°C Unknown - 55°C

overclocking

Overclocked clock speed 3.69 GHz 2.77 GHz
Overclocked clock speed (Water) 3.93 GHz 3.24 GHz
PassMark (Overclocked) 1,557.8 466.1
Overclocked clock speed (Air) 3.69 GHz 2.77 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
AMD Sempron 140
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AMD Athlon X2 4000+
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