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Differences What are the advantages of each

Front view of Intel Xeon L7545

Reasons to consider the
Intel Xeon L7545

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 12 vs 4 Three times as many threads
More cores 6 vs 4 2 more cores; run more applications at once
Lower typical power consumption 77.19W vs 85.31W Around 10% lower typical power consumption
Newer Mar, 2010 vs Jan, 2007 Release date over 3 years later
Higher Maximum operating temperature 70 °C vs 62.2 °C Around 15% higher Maximum operating temperature
Lower annual home energy cost 22.89 $/year vs 25.29 $/year Around 10% lower annual home energy cost
Lower annual commercial energy cost 83.22 $/year vs 91.98 $/year Around 10% lower annual commercial energy cost
Front view of Intel Core2 Quad Q6600

Reasons to consider the
Intel Core2 Quad Q6600

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Much more l2 cache 8 MB vs 2 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 2.4 GHz vs 1.87 GHz Around 30% higher clock speed
Much more l2 cache per core 2 MB/core vs 0.33 MB/core More than 6x more l2 cache per core
Much better overclocked clock speed (Air) 3.52 GHz vs 1.87 GHz Around 90% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.6 GHz vs 1.87 GHz Around 95% better overclocked clock speed (Water)

Features Key features of the Xeon L7545  vs Core2 Quad Q6600 

clock speed

Xeon L7545
1.87 GHz

L2 cache

overclocked clock speed (air)

Xeon L7545
1.87 GHz
Core2 Quad Q6600
3.52 GHz

overclocked clock speed (water)

Xeon L7545
1.87 GHz

Specifications Full list of technical specs

summary

Xeon L7545  vs
Core2 Quad Q6600 
Clock speed 1.87 GHz 2.4 GHz
Cores Hexa core Quad core
Socket type
LGA 1567
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 95W 105W
Annual home energy cost 22.89 $/year 25.29 $/year
Annual commercial energy cost 83.22 $/year 91.98 $/year
Typical power consumption 77.19W 85.31W

details

Xeon L7545  vs
Core2 Quad Q6600 
Threads 12 4
L2 cache 2 MB 8 MB
L2 cache per core 0.33 MB/core 2 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 8 1
Voltage range 0.68 - 1.35V 0.85 - 1.5V
Operating temperature Unknown - 70°C Unknown - 62.2°C

overclocking

Overclocked clock speed 1.87 GHz 3.52 GHz
Overclocked clock speed (Water) 1.87 GHz 3.6 GHz
Overclocked clock speed (Air) 1.87 GHz 3.52 GHz

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 4 1
Clock speed 2,930 MHz 1,066 MHz
Intel Xeon L7545
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Intel Core2 Quad Q6600
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