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Differences What are the advantages of each

Front view of Intel Atom D525

Reasons to consider the
Intel Atom D525

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly lower typical power consumption 10.56W vs 36.56W 3.5x lower typical power consumption
More threads 4 vs 1 3 more threads
Better performance per watt 2.62 pt/W vs 1 pt/W More than 2.5x better performance per watt
More cores 2 vs 1 Twice as many cores; run more applications at once
Significantly lower annual home energy cost 3.13 $/year vs 10.84 $/year 3.5x lower annual home energy cost
Significantly lower annual commercial energy cost 11.39 $/year vs 39.42 $/year 3.5x lower annual commercial energy cost
Front view of AMD Sempron 1200

Reasons to consider the
AMD Sempron 1200

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Higher clock speed 2.1 GHz vs 1.8 GHz More than 15% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly better overclocked clock speed (Air) 2.92 GHz vs 2.12 GHz Around 40% better overclocked clock speed (Air)
Better PassMark (Single core) score 608 vs 284 Around 2.2x better PassMark (Single core) score
Better overclocked clock speed (Water) 2.1 GHz vs 1.8 GHz More than 15% better overclocked clock speed (Water)

Benchmarks Real world tests of Atom D525 vs Sempron 1200

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Atom D525  vs
Sempron 1200 
Clock speed 1.8 GHz 2.1 GHz
Cores Dual core Single core
Is unlocked Yes No

features

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

power consumption

TDP 13W 45W
Annual home energy cost 3.13 $/year 10.84 $/year
Annual commercial energy cost 11.39 $/year 39.42 $/year
Performance per watt 2.62 pt/W 1 pt/W
Typical power consumption 10.56W 36.56W

details

Atom D525  vs
Sempron 1200 
Architecture x86-64 x86-64
Threads 4 1
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.12 GHz 2.92 GHz
Overclocked clock speed (Water) 1.8 GHz 2.1 GHz
Overclocked clock speed (Air) 2.12 GHz 2.92 GHz

integrated graphics

GPU GPU None
Label Integrated N/A
Intel Atom D525
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AMD Sempron 1200
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