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Differences What are the advantages of each

Front view of Intel Xeon E5-2450L v2

Reasons to consider the
Intel Xeon E5-2450L v2

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Much more l3 cache 25 MB vs 15 MB More than 65% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 20 vs 12 8 more threads
Significantly lower typical power consumption 48.75W vs 77.19W More than 35% lower typical power consumption
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly lower annual commercial energy cost 52.56 $/year vs 83.22 $/year More than 35% lower annual commercial energy cost
Significantly lower annual home energy cost 14.45 $/year vs 22.89 $/year More than 35% lower annual home energy cost
Newer Jan, 2014 vs May, 2012 Release date over 1 years later
Front view of Intel Xeon E5-2420

Reasons to consider the
Intel Xeon E5-2420

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Significantly higher clock speed 1.9 GHz vs 1.7 GHz More than 10% higher clock speed
Higher turbo clock speed 2.4 GHz vs 2.1 GHz Around 15% higher turbo clock speed
Much better overclocked clock speed (Air) 2.36 GHz vs 1.7 GHz Around 40% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 1.9 GHz vs 1.7 GHz More than 10% better overclocked clock speed (Water)

Features Key features of the Xeon E5-2450L v2  vs E5-2420 

clock speed

Xeon E5-2420
1.9 GHz

turbo clock speed

Xeon E5-2420
2.4 GHz

L3 cache

overclocked clock speed (air)

Xeon E5-2420
2.36 GHz

overclocked clock speed (water)

Xeon E5-2420
1.9 GHz

Specifications Full list of technical specs

summary

Xeon E5-2450L v2  vs
E5-2420 
Clock speed 1.7 GHz 1.9 GHz
Turbo clock speed 2.1 GHz 2.4 GHz
Cores Deca core Hexa core

features

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

power consumption

TDP 60W 95W
Annual home energy cost 14.45 $/year 22.89 $/year
Annual commercial energy cost 52.56 $/year 83.22 $/year
Typical power consumption 48.75W 77.19W

bus

Architecture QPI QPI
Number of links 1 1
Data rate 28,800 MB/s 28,800 MB/s
Transfer rate 7,200 MT/s 7,200 MT/s
Clock speed 3,600 MHz 3,600 MHz

details

Xeon E5-2450L v2  vs
E5-2420 
Architecture x86-64 x86-64
Threads 20 12
L3 cache 25 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 2 2
Voltage range 0.65 - 1.3V 0.6 - 1.35V

overclocking

Overclocked clock speed 1.7 GHz 2.36 GHz
Overclocked clock speed (Water) 1.7 GHz 1.9 GHz
Overclocked clock speed (Air) 1.7 GHz 2.36 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 38,400 MB/s 31,999.98 MB/s
Maximum memory size 393,216 MB 393,216 MB
Intel Xeon E5-2450L v2
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Intel Xeon E5-2420
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