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Intel Atom D2550

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Front view of Intel Atom D2550

Differences What are the advantages of each

Front view of Intel Atom D2550

Reasons to consider the
Intel Atom D2550

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 1.86 GHz vs 1.6 GHz More than 15% higher clock speed
Lower typical power consumption 8.13W vs 20.31W 2.5x lower typical power consumption
Significantly higher Maximum operating temperature 100 °C vs 81 °C Around 25% higher Maximum operating temperature
Newer Mar, 2012 vs Nov, 2009 Release date over 2 years later
More threads 4 vs 2 Twice as many threads
Better performance per watt 3.59 pt/W vs 2.52 pt/W More than 40% better performance per watt
Lower annual home energy cost 2.41 $/year vs 6.02 $/year 2.5x lower annual home energy cost
Lower annual commercial energy cost 8.76 $/year vs 21.9 $/year 2.5x lower annual commercial energy cost
Better overclocked clock speed (Water) 1.87 GHz vs 1.6 GHz More than 15% better overclocked clock speed (Water)
Front view of AMD Athlon II X2 250u

Reasons to consider the
AMD Athlon II X2 250u

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Much better geekbench 3 AES single core score 63,700 MB/s vs 29,700 MB/s Around 2.2x better geekbench 3 AES single core score
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
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
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Better overclocked clock speed (Air) 2.54 GHz vs 1.87 GHz More than 35% better overclocked clock speed (Air)

Benchmarks Real world tests of Atom D2550 vs Athlon II X2 250u

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 D2550
29,700 MB/s
Athlon II X2 250u
63,700 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Atom D2550  vs
Athlon II X2 250u 
Clock speed 1.86 GHz 1.6 GHz
Cores Dual core Dual core

features

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

power consumption

TDP 10W 25W
Annual home energy cost 2.41 $/year 6.02 $/year
Annual commercial energy cost 8.76 $/year 21.9 $/year
Performance per watt 3.59 pt/W 2.52 pt/W
Typical power consumption 8.13W 20.31W

details

Atom D2550  vs
Athlon II X2 250u 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1
Voltage range 0.91 - 1.21V 0.85 - 1.15V
Operating temperature Unknown - 100°C Unknown - 81°C

overclocking

Overclocked clock speed 1.87 GHz 2.54 GHz
Overclocked clock speed (Water) 1.87 GHz 1.6 GHz
Overclocked clock speed (Air) 1.87 GHz 2.54 GHz

integrated graphics

GPU GPU None
Label Integrated N/A
Number of displays supported 2 N/A
GPU clock speed 640 MHz N/A
Intel Atom D2550
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AMD Athlon II X2 250u
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