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Differences What are the advantages of each

Front view of Intel Xeon LC5518

Reasons to consider the
Intel Xeon LC5518

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Lower typical power consumption 39W vs 48.75W 20% lower typical power consumption
Lower annual commercial energy cost 42.05 $/year vs 52.56 $/year 20% lower annual commercial energy cost
Lower annual home energy cost 11.56 $/year vs 14.45 $/year 20% lower annual home energy cost
Newer Feb, 2010 vs Mar, 2009 Release date 10 months later
Front view of Intel Xeon L5518

Reasons to consider the
Intel Xeon L5518

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Much higher clock speed 2.13 GHz vs 1.73 GHz Around 25% higher clock speed
Much higher Maximum operating temperature 85 °C vs 77.5 °C Around 10% higher Maximum operating temperature
Higher turbo clock speed 2.4 GHz vs 2.13 GHz Around 15% higher turbo clock speed

Features Key features of the Xeon LC5518  vs L5518 

clock speed

Xeon LC5518
1.73 GHz
Xeon L5518
2.13 GHz

turbo clock speed

Xeon LC5518
2.13 GHz
Xeon L5518
2.4 GHz

L2 cache

L3 cache


Specifications Full list of technical specs


Xeon LC5518  vs
Clock speed 1.73 GHz 2.13 GHz
Turbo clock speed 2.13 GHz 2.4 GHz
Cores Quad core Quad core
Socket type
LGA 1366


Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 48W 60W
Annual home energy cost 11.56 $/year 14.45 $/year
Annual commercial energy cost 42.05 $/year 52.56 $/year
Typical power consumption 39W 48.75W


Architecture QPI QPI
Number of links 1 2
Data rate 19,200 MB/s 46,880 MB/s
Transfer rate 4,800 MT/s 5,860 MT/s
Clock speed 2,400 MHz 2,930 MHz


Xeon LC5518  vs
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 2 2
Voltage range 1 - 1.5V 0.75 - 1.35V
Operating temperature Unknown - 77.5°C Unknown - 85°C

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

memory controller

Memory controller Built-in Built-in
Channels Triple Channel Triple Channel
Supports ECC Yes Yes
Intel Xeon LC5518
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Intel Xeon L5518
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