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Differences What are the advantages of each

Front view of Intel Xeon L5420

Reasons to consider the
Intel Xeon L5420

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Much more l2 cache 12 MB vs 8 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
Much lower typical power consumption 40.63W vs 121.88W 3x lower typical power consumption
Newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 3.67 GHz vs 3.17 GHz More than 15% better overclocked clock speed (Air)
Much lower annual commercial energy cost 43.8 $/year vs 131.4 $/year 3x lower annual commercial energy cost
Much lower annual home energy cost 12.04 $/year vs 36.13 $/year 3x lower annual home energy cost
Much better overclocked clock speed (Water) 3.85 GHz vs 3.17 GHz More than 20% better overclocked clock speed (Water)
Newer Mar, 2008 vs Aug, 2006 Release date over 1 years later
Front view of Intel Xeon 7130N

Reasons to consider the
Intel Xeon 7130N

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Much higher clock speed 3.16 GHz vs 2.5 GHz More than 25% higher clock speed
Supports more CPUs in SMP configuration 32 vs 2 30 supports more CPUs in SMP configuration
Much more l2 cache per core 4 MB/core vs 3 MB/core Around 35% more l2 cache per core

Features Key features of the Xeon L5420  vs 7130N 

clock speed

Xeon L5420
2.5 GHz
Xeon 7130N
3.16 GHz

L2 cache

Xeon L5420
12 MB
Xeon 7130N
8 MB

overclocked clock speed (air)

Xeon L5420
3.67 GHz
Xeon 7130N
3.17 GHz

overclocked clock speed (water)

Xeon L5420
3.85 GHz
Xeon 7130N
3.17 GHz

TDP

Specifications Full list of technical specs

summary

Xeon L5420  vs
7130N 
Clock speed 2.5 GHz 3.16 GHz
Cores Quad core Dual core
Socket type
LGA 771
604

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 50W 150W
Annual home energy cost 12.04 $/year 36.13 $/year
Annual commercial energy cost 43.8 $/year 131.4 $/year
Typical power consumption 40.63W 121.88W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 667 MHz

details

Xeon L5420  vs
7130N 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 8 MB
L2 cache per core 3 MB/core 4 MB/core
Manufacture process 45 nm 65 nm
Transistor count 820,000,000 1,328,000,000
Max CPUs 2 32
Clock multiplier 7 19
Voltage range 0.85 - 1.35V 1.1 - 1.35V
Operating temperature Unknown - 57°C Unknown - 69°C

overclocking

Overclocked clock speed 3.67 GHz 3.17 GHz
Overclocked clock speed (Water) 3.85 GHz 3.17 GHz
Overclocked clock speed (Air) 3.67 GHz 3.17 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 L5420
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Intel Xeon 7130N
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