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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 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
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 1.8 GHz More than 50% higher clock speed
Much better PassMark (Single core) score 839 vs 512 Around 65% better PassMark (Single core) score
Much better performance per watt 1.95 pt/W vs 0.42 pt/W More than 4.5x 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 2.57 GHz Around 45% better overclocked clock speed (Air)
Much lower typical power consumption 36.56W vs 72.31W Around 50% lower typical power consumption
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Water) 3.93 GHz vs 2.13 GHz Around 85% better overclocked clock speed (Water)
Much lower annual commercial energy cost 39.42 $/year vs 77.96 $/year Around 50% lower annual commercial energy cost
Much lower annual home energy cost 10.84 $/year vs 21.44 $/year Around 50% lower annual home energy cost
Newer Jul, 2009 vs May, 2004 Release date over 5 years later
Front view of AMD Athlon 2800+

Reasons to consider the
AMD Athlon 2800+

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Much higher Maximum operating temperature 70 °C vs 63 °C More than 10% higher Maximum operating temperature

Benchmarks Real world tests of Sempron 140 vs Athlon 2800+

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 2800+ 
Clock speed 2.7 GHz 1.8 GHz
Cores Single core Single core
Socket type
AM3
754
462
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes No
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 45W 89W
Annual home energy cost 10.84 $/year 21.44 $/year
Annual commercial energy cost 39.42 $/year 77.96 $/year
Performance per watt 1.95 pt/W 0.42 pt/W
Typical power consumption 36.56W 72.31W

bus

Clock speed 2,000 MHz 266 MHz

details

Sempron 140  vs
Athlon 2800+ 
Architecture x86-64 x86-64
Threads 1 1
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 1 MB 0 MB
L3 cache per core 1 MB/core 0 MB/core
Manufacture process 45 nm 130 nm
Max CPUs 1 1
Operating temperature Unknown - 63°C Unknown - 70°C

overclocking

Overclock popularity 5 1
Overclock review score 2 0
Overclocked clock speed 3.69 GHz 2.57 GHz
Overclocked clock speed (Water) 3.93 GHz 2.13 GHz
Overclocked clock speed (Air) 3.69 GHz 2.57 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 2800+
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