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Differences What are the advantages of each

Front view of Intel Xeon L5215

Reasons to consider the
Intel Xeon L5215

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Much more l2 cache 6 MB vs 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
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
Higher clock speed 1.86 GHz vs 1.66 GHz More than 10% higher clock speed
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Slightly better overclocked clock speed (Water) 1.87 GHz vs 1.67 GHz More than 10% better overclocked clock speed (Water)
Front view of Intel Atom D510

Reasons to consider the
Intel Atom D510

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Lower typical power consumption 10.56W vs 16.25W 35% lower typical power consumption
More threads 4 vs 2 Twice as many threads
Newer Jan, 2010 vs Jul, 2008 Release date over 1 years later
Lower annual home energy cost 3.13 $/year vs 4.82 $/year 35% lower annual home energy cost
Lower annual commercial energy cost 11.39 $/year vs 17.52 $/year 35% lower annual commercial energy cost

Features Key features of the Xeon L5215  vs Atom D510 

clock speed

Xeon L5215
1.86 GHz
Atom D510
1.66 GHz

L2 cache

Xeon L5215
6 MB
Atom D510
1 MB

overclocked clock speed (air)

Xeon L5215
1.87 GHz
Atom D510
1.77 GHz

overclocked clock speed (water)

Xeon L5215
1.87 GHz
Atom D510
1.67 GHz

TDP

Specifications Full list of technical specs

summary

Xeon L5215  vs
Atom D510 
Clock speed 1.86 GHz 1.66 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
SSE4.1
Supplemental SSE3
Supports dynamic frequency scaling Yes No

power consumption

TDP 20W 13W
Annual home energy cost 4.82 $/year 3.13 $/year
Annual commercial energy cost 17.52 $/year 11.39 $/year
Typical power consumption 16.25W 10.56W

details

Xeon L5215  vs
Atom D510 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Transistor count 410,000,000 176,000,000
Max CPUs 2 1
Voltage range 0.85 - 1.35V 0.8 - 1.18V

overclocking

Overclocked clock speed 1.87 GHz 1.77 GHz
Overclocked clock speed (Water) 1.87 GHz 1.67 GHz
Overclocked clock speed (Air) 1.87 GHz 1.77 GHz

integrated graphics

GPU None GPU
Label N/A Integrated

bus

Architecture FSB DMI
Number of links 1 1
Intel Xeon L5215
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Intel Atom D510
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