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Differences What are the advantages of each

Front view of Intel Atom D2500

Reasons to consider the
Intel Atom D2500

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Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 8.13W vs 97.88W 12x lower typical power consumption
Higher clock speed 1.86 GHz vs 1.5 GHz Around 25% higher clock speed
Much lower annual home energy cost 2.41 $/year vs 40.46 $/year 16.8x lower annual home energy cost
Higher Maximum operating temperature 100 °C vs 85 °C Around 20% higher Maximum operating temperature
Much lower annual commercial energy cost 8.76 $/year vs 89.18 $/year 10.2x lower annual commercial energy cost
Newer Sep, 2011 vs Nov, 2008 Release date over 2 years later
Better performance per watt 2.16 pt/W vs 0.32 pt/W Around 6.8x better performance per watt
Better overclocked clock speed (Water) 1.87 GHz vs 1.5 GHz Around 25% better overclocked clock speed (Water)
Front view of AMD Athlon 64 X2 3250e

Reasons to consider the
AMD Athlon 64 X2 3250e

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Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Better overclocked clock speed (Air) 2.48 GHz vs 1.87 GHz Around 35% better overclocked clock speed (Air)
Better PassMark (Single core) score 443 vs 290 Around 55% better PassMark (Single core) score

Benchmarks Real world tests of Atom D2500 vs Athlon 64 X2 3250e

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

Atom D2500
29.2 MB/s
Athlon 64 X2 3250e
41.1 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Atom D2500  vs
Athlon 64 X2 3250e 
Clock speed 1.86 GHz 1.5 GHz
Cores Dual core Dual core

features

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

details

Atom D2500  vs
Athlon 64 X2 3250e 
Threads 2 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 32 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 100°C Unknown - 85°C

overclocking

Overclocked clock speed 1.87 GHz 2.48 GHz
Overclocked clock speed (Water) 1.87 GHz 1.5 GHz
Overclocked clock speed (Air) 1.87 GHz 2.48 GHz

power consumption

TDP 10W 22W
Annual home energy cost 2.41 $/year 40.46 $/year
Annual commercial energy cost 8.76 $/year 89.18 $/year
Performance per watt 2.16 pt/W 0.32 pt/W
Typical power consumption 8.13W 97.88W
Intel Atom D2500
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AMD Athlon 64 X2 3250e
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