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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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Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 39W vs 105.63W 2.7x lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More threads 8 vs 4 Twice as many threads
Higher Maximum operating temperature 77.5 °C vs 64.5 °C More than 20% higher Maximum operating temperature
Newer Feb, 2010 vs Nov, 2006 Release date over 3 years later
Much lower annual home energy cost 11.56 $/year vs 31.32 $/year 2.7x lower annual home energy cost
Much lower annual commercial energy cost 42.05 $/year vs 113.88 $/year 2.7x lower annual commercial energy cost
Front view of Intel Core2 QX6700

Reasons to consider the
Intel Core2 QX6700

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Much more l2 cache 8 MB vs 1 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 2.66 GHz vs 1.73 GHz Around 55% higher clock speed
Much more l2 cache per core 2 MB/core vs 0.25 MB/core 8x more l2 cache per core

Features Key features of the Xeon LC5518  vs Core2 QX6700 

clock speed

Xeon LC5518
1.73 GHz
Core2 QX6700
2.66 GHz

L2 cache

TDP

Specifications Full list of technical specs

summary

Xeon LC5518  vs
Core2 QX6700 
Clock speed 1.73 GHz 2.66 GHz
Cores Quad core Quad 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 130W
Annual home energy cost 11.56 $/year 31.32 $/year
Annual commercial energy cost 42.05 $/year 113.88 $/year
Typical power consumption 39W 105.63W

details

Xeon LC5518  vs
Core2 QX6700 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 8 MB
L2 cache per core 0.25 MB/core 2 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 2 1
Voltage range 1 - 1.5V 0.85 - 1.5V
Operating temperature Unknown - 77.5°C Unknown - 64.5°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 QX6700
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