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Differences What are the advantages of each

Front view of Intel Xeon L5640

Reasons to consider the
Intel Xeon L5640

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Much better overclocked clock speed (Air) 3.9 GHz vs 2.4 GHz Around 65% better overclocked clock speed (Air)
Front view of Intel Xeon 5600 L5645

Reasons to consider the
Intel Xeon 5600 L5645

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Higher clock speed 2.4 GHz vs 2.26 GHz More than 5% higher clock speed
Better overclocked clock speed (Water) 2.4 GHz vs 2.27 GHz More than 5% better overclocked clock speed (Water)

Features Key features of the Xeon L5640  vs 5600 L5645 

clock speed

Xeon L5640
2.26 GHz
Xeon 5600 L5645
2.4 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon L5640
3.9 GHz
Xeon 5600 L5645
2.4 GHz

overclocked clock speed (water)

Xeon L5640
2.27 GHz
Xeon 5600 L5645
2.4 GHz

Specifications Full list of technical specs

summary

Xeon L5640  vs
5600 L5645 
Clock speed 2.26 GHz 2.4 GHz
Cores Hexa core Hexa core
Socket type
LGA 1366

features

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

bus

Architecture QPI QPI
Number of links 2 2
Data rate 46,928 MB/s 46,928 MB/s
Transfer rate 5,860 MT/s 5,860 MT/s
Clock speed 2,930 MHz 2,933 MHz

details

Xeon L5640  vs
5600 L5645 
Threads 12 12
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.33 MB/core
L3 cache 12 MB 12 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 2 2

overclocking

Overclocked clock speed 3.9 GHz 2.4 GHz
Overclocked clock speed (Water) 2.27 GHz 2.4 GHz
Overclocked clock speed (Air) 3.9 GHz 2.4 GHz

power consumption

TDP 60W 60W
Annual home energy cost 14.45 $/year 14.45 $/year
Annual commercial energy cost 52.56 $/year 52.56 $/year
Typical power consumption 48.75W 48.75W
Intel Xeon L5640
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Intel Xeon 5600 L5645
Report a correction

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