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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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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More threads 8 vs 2 6 more threads
Lower typical power consumption 39W vs 52.81W More than 25% lower typical power consumption
More cores 4 vs 2 Twice as many cores; run more applications at once
Newer Feb, 2010 vs Jan, 2008 Release date over 2 years later
Slightly higher Maximum operating temperature 77.5 °C vs 74.1 °C Around 5% higher Maximum operating temperature
Lower annual home energy cost 11.56 $/year vs 15.66 $/year More than 25% lower annual home energy cost
Lower annual commercial energy cost 42.05 $/year vs 56.94 $/year More than 25% lower annual commercial energy cost
Front view of Intel Core2 Duo E7400

Reasons to consider the
Intel Core2 Duo E7400

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Much more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 2.8 GHz vs 1.73 GHz More than 60% higher clock speed
Much more l2 cache per core 1.5 MB/core vs 0.25 MB/core 6x more l2 cache per core

Features Key features of the Xeon LC5518  vs Core2 Duo E7400 

clock speed

Xeon LC5518
1.73 GHz
Core2 Duo E7400
2.8 GHz

L2 cache

Specifications Full list of technical specs

summary

Xeon LC5518  vs
Core2 Duo E7400 
Clock speed 1.73 GHz 2.8 GHz
Cores Quad core Dual core
Socket type
LGA 1366
LGA 775

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 48W 65W
Annual home energy cost 11.56 $/year 15.66 $/year
Annual commercial energy cost 42.05 $/year 56.94 $/year
Typical power consumption 39W 52.81W

details

Xeon LC5518  vs
Core2 Duo E7400 
Architecture x86-64 x86-64
Threads 8 2
L2 cache 1 MB 3 MB
L2 cache per core 0.25 MB/core 1.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 2 1
Voltage range 1 - 1.5V 0.85 - 1.36V
Operating temperature Unknown - 77.5°C Unknown - 74.1°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

bus

Architecture QPI FSB
Number of links 1 1
Clock speed 2,400 MHz 1,066 MHz
Intel Xeon LC5518
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Intel Core2 Duo E7400
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