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Differences What are the advantages of each

Front view of Intel Xeon E5 1650 v2

Reasons to consider the
Intel Xeon E5 1650 v2

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Much higher clock speed 3.5 GHz vs 2 GHz 75% higher clock speed
Higher turbo clock speed 3.9 GHz vs 3.4 GHz Around 15% higher turbo clock speed
More cores 6 vs 4 2 more cores; run more applications at once
More threads 12 vs 8 4 more threads
Supports more RAM 262,144 MB vs 65,536 MB Supports 4x more RAM
Front view of Intel E3-1578LV5

Reasons to consider the
Intel E3-1578LV5

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 36.56W vs 105.63W 2.9x lower typical power consumption
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower annual home energy cost 10.84 $/year vs 31.32 $/year 2.9x lower annual home energy cost
Much lower annual commercial energy cost 39.42 $/year vs 113.88 $/year 2.9x lower annual commercial energy cost
Newer Apr, 2016 vs Jul, 2013 Release date over 2 years later

Features Key features of the Xeon E5 1650 v2  vs E3-1578LV5 

clock speed

Xeon E5 1650 v2
3.5 GHz
E3-1578LV5
2 GHz

turbo clock speed

Xeon E5 1650 v2
3.9 GHz
E3-1578LV5
3.4 GHz

Specifications Full list of technical specs

summary

Xeon E5 1650 v2  vs
E3-1578LV5 
Clock speed 3.5 GHz 2 GHz
Turbo clock speed 3.9 GHz 3.4 GHz
Cores Hexa core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
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
DDR3-1866
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Quad Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 59,733.32 MB/s 12,800 MB/s
Maximum memory size 262,144 MB 65,536 MB

details

Xeon E5 1650 v2  vs
E3-1578LV5 
Architecture x86-64 x86-64
Threads 12 8
Manufacture process 22 nm 14 nm
Max CPUs 1 1

integrated graphics

GPU None GPU
Label N/A Intel® Iris™ Pro Graphics P580
GPU clock speed N/A 700 MHz
Turbo clock speed N/A 1,000 MHz

power consumption

TDP 130W 45W
Annual home energy cost 31.32 $/year 10.84 $/year
Annual commercial energy cost 113.88 $/year 39.42 $/year
Typical power consumption 105.63W 36.56W

bus

Architecture QPI FSB
Number of links 0 0
Transfer rate 0 MT/s 8,000 MT/s
Intel Xeon E5 1650 v2
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Intel E3-1578LV5
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