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Differences What are the advantages of each

Front view of Intel Xeon E3-1220LV2

Reasons to consider the
Intel Xeon E3-1220LV2

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Lower typical power consumption 13.81W vs 28.44W 2.1x lower typical power consumption
Lower annual home energy cost 4.1 $/year vs 8.43 $/year 2.1x lower annual home energy cost
Lower annual commercial energy cost 14.89 $/year vs 30.66 $/year 2.1x lower annual commercial energy cost
Front view of Intel E3-1565LV5

Reasons to consider the
Intel E3-1565LV5

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 2.5 GHz vs 2.3 GHz Around 10% higher clock speed
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 4 Twice as many threads
Newer Apr, 2016 vs May, 2012 Release date over 3 years later

Features Key features of the Xeon E3-1220LV2  vs E3-1565LV5 

clock speed

Xeon E3-1220LV2
2.3 GHz
E3-1565LV5
2.5 GHz

turbo clock speed

Xeon E3-1220LV2
3.5 GHz
E3-1565LV5
3.5 GHz

Specifications Full list of technical specs

summary

Xeon E3-1220LV2  vs
E3-1565LV5 
Clock speed 2.3 GHz 2.5 GHz
Turbo clock speed 3.5 GHz 3.5 GHz
Cores Dual core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 12,800 MB/s
Maximum memory size 33,003.52 MB 65,536 MB

details

Xeon E3-1220LV2  vs
E3-1565LV5 
Architecture x86-64 x86-64
Threads 4 8
Manufacture process 22 nm 14 nm
Max CPUs 1 1

integrated graphics

GPU None GPU
Label N/A Intel® Iris™ Pro Graphics P580
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,050 MHz

power consumption

TDP 17W 35W
Annual home energy cost 4.1 $/year 8.43 $/year
Annual commercial energy cost 14.89 $/year 30.66 $/year
Typical power consumption 13.81W 28.44W

bus

Architecture DMI FSB
Number of links 1 0
Transfer rate 5,000 MT/s 8,000 MT/s
Intel Xeon E3-1220LV2
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Intel E3-1565LV5
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