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Differences What are the advantages of each

Front view of AMD Sempron 145

Reasons to consider the
AMD Sempron 145

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Much better overclocked clock speed (Air) 4.05 GHz vs 2.55 GHz Around 60% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.28 GHz vs 1.8 GHz Around 2.5x better overclocked clock speed (Water)
Front view of AMD Athlon II X2 260u

Reasons to consider the
AMD Athlon II X2 260u

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Much lower typical power consumption 20.31W vs 36.56W Around 45% lower typical power consumption
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Much higher Maximum operating temperature 81 °C vs 63 °C Around 30% higher Maximum operating temperature
Much lower annual home energy cost 6.02 $/year vs 10.84 $/year Around 45% lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 39.42 $/year Around 45% lower annual commercial energy cost

Benchmarks Real world tests of Sempron 145 vs Athlon II X2 260u

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 145
111,900 MB/s
Athlon II X2 260u
72,100 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Sempron 145  vs
Athlon II X2 260u 
Clock speed 2.8 GHz 1.8 GHz
Cores Single core Dual core
Socket type
AM3
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 25W
Annual home energy cost 10.84 $/year 6.02 $/year
Annual commercial energy cost 39.42 $/year 21.9 $/year
Performance per watt 2.06 pt/W 2.84 pt/W
Typical power consumption 36.56W 20.31W

bus

Clock speed 2,000 MHz 1,800 MHz

details

Sempron 145  vs
Athlon II X2 260u 
Architecture x86-64 x86-64
Threads 1 2
L2 cache 1 MB 2 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 0 MB 1 MB
L3 cache per core 0 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1
Voltage range 0.82 - 1.35V 0.85 - 1.15V
Operating temperature Unknown - 63°C Unknown - 81°C

overclocking

Overclocked clock speed 4.05 GHz 2.55 GHz
Overclocked clock speed (Water) 4.28 GHz 1.8 GHz
PassMark (Overclocked) 1,763.8 1,565.5
Overclocked clock speed (Air) 4.05 GHz 2.55 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 145
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AMD Athlon II X2 260u
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