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Differences What are the advantages of each

Front view of Intel Xeon L5408

Reasons to consider the
Intel Xeon L5408

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Much more l2 cache 12 MB vs 4 MB 3x 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 1 MB/core 3x more l2 cache per core
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly lower typical power consumption 32.5W vs 52.81W Around 40% lower typical power consumption
Significantly better overclocked clock speed (Air) 3.34 GHz vs 2.33 GHz Around 45% better overclocked clock speed (Air)
Significantly lower annual home energy cost 9.64 $/year vs 15.66 $/year Around 40% lower annual home energy cost
Significantly lower annual commercial energy cost 35.04 $/year vs 56.94 $/year Around 40% lower annual commercial energy cost
Better overclocked clock speed (Water) 4.12 GHz vs 3.77 GHz Around 10% better overclocked clock speed (Water)
Front view of Intel Core2 Quad Q8200S

Reasons to consider the
Intel Core2 Quad Q8200S

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Higher clock speed 2.33 GHz vs 2.13 GHz Around 10% higher clock speed
Higher Maximum operating temperature 76.3 °C vs 72 °C More than 5% higher Maximum operating temperature
Newer Jan, 2009 vs Feb, 2008 Release date 10 months later

Features Key features of the Xeon L5408  vs Core2 Quad Q8200S 

clock speed

Xeon L5408
2.13 GHz

L2 cache

overclocked clock speed (air)

Xeon L5408
3.34 GHz

overclocked clock speed (water)

Xeon L5408
4.12 GHz

Specifications Full list of technical specs

summary

Xeon L5408  vs
Core2 Quad Q8200S 
Clock speed 2.13 GHz 2.33 GHz
Cores Quad core Quad core
Socket type
LGA 771
LGA 775

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 Yes

power consumption

TDP 40W 65W
Annual home energy cost 9.64 $/year 15.66 $/year
Annual commercial energy cost 35.04 $/year 56.94 $/year
Typical power consumption 32.5W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,066 MHz 1,333 MHz

details

Xeon L5408  vs
Core2 Quad Q8200S 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 4 MB
L2 cache per core 3 MB/core 1 MB/core
Manufacture process 45 nm 45 nm
Transistor count 820,000,000 456,000,000
Max CPUs 2 1
Clock multiplier 8 7
Voltage range 0.85 - 1.35V 0.85 - 1.36V
Operating temperature Unknown - 72°C Unknown - 76.3°C

overclocking

Overclocked clock speed 3.34 GHz 2.33 GHz
Overclocked clock speed (Water) 4.12 GHz 3.77 GHz
Overclocked clock speed (Air) 3.34 GHz 2.33 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
Intel Xeon L5408
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Intel Core2 Quad Q8200S
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