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Differences What are the advantages of each

Front view of Intel Xeon 7140N

Reasons to consider the
Intel Xeon 7140N

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Much more l2 cache 16 MB vs 1 MB 16x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 32 vs 1 31 supports more CPUs in SMP configuration
Much more l2 cache per core 8 MB/core vs 0.5 MB/core 16x more l2 cache per core
Much higher clock speed 3.33 GHz vs 1.8 GHz 85% higher clock speed
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
Significantly better overclocked clock speed (Air) 3.33 GHz vs 2.12 GHz More than 55% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.33 GHz vs 1.8 GHz More than 85% better overclocked clock speed (Water)
Front view of Intel Atom D525

Reasons to consider the
Intel Atom D525

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Much lower typical power consumption 10.56W vs 121.88W 11.5x lower typical power consumption
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
Much lower annual home energy cost 3.13 $/year vs 36.13 $/year 11.5x lower annual home energy cost
Much lower annual commercial energy cost 11.39 $/year vs 131.4 $/year 11.5x lower annual commercial energy cost
Newer Jun, 2010 vs Aug, 2006 Release date over 3 years later

Features Key features of the Xeon 7140N  vs Atom D525 

clock speed

Xeon 7140N
3.33 GHz
Atom D525
1.8 GHz

L2 cache

Xeon 7140N
16 MB
Atom D525
1 MB

overclocked clock speed (air)

Xeon 7140N
3.33 GHz
Atom D525
2.12 GHz

overclocked clock speed (water)

Xeon 7140N
3.33 GHz
Atom D525
1.8 GHz

TDP

Specifications Full list of technical specs

summary

Xeon 7140N  vs
Atom D525 
Clock speed 3.33 GHz 1.8 GHz
Cores Dual core Dual core

features

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

power consumption

TDP 150W 13W
Annual home energy cost 36.13 $/year 3.13 $/year
Annual commercial energy cost 131.4 $/year 11.39 $/year
Typical power consumption 121.88W 10.56W

details

Xeon 7140N  vs
Atom D525 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 16 MB 1 MB
L2 cache per core 8 MB/core 0.5 MB/core
Manufacture process 65 nm 45 nm
Transistor count 1,328,000,000 176,000,000
Max CPUs 32 1
Voltage range 1.1 - 1.35V 0.8 - 1.18V

overclocking

Overclocked clock speed 3.33 GHz 2.12 GHz
Overclocked clock speed (Water) 3.33 GHz 1.8 GHz
Overclocked clock speed (Air) 3.33 GHz 2.12 GHz

integrated graphics

GPU None GPU
Label N/A Integrated

bus

Architecture FSB DMI
Number of links 1 1
Intel Xeon 7140N
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Intel Atom D525
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