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Differences What are the advantages of each

Front view of Intel Xeon E7-8890 v3

Reasons to consider the
Intel Xeon E7-8890 v3

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More threads 36 vs 30 6 more threads
Supports more CPUs in SMP configuration 8 vs 4 Twice as many CPUs in SMP configuration
Newer Apr, 2015 vs Feb, 2014 Release date over 1 years later
Front view of Intel Xeon E7-4890 v2

Reasons to consider the
Intel Xeon E7-4890 v2

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Much higher clock speed 2.8 GHz vs 2.5 GHz More than 10% higher clock speed
Higher turbo clock speed 3.4 GHz vs 3.3 GHz Around 5% higher turbo clock speed
Lower typical power consumption 125.94W vs 134.06W More than 5% lower typical power consumption
Lower annual commercial energy cost 135.78 $/year vs 144.54 $/year More than 5% lower annual commercial energy cost
Lower annual home energy cost 37.34 $/year vs 39.75 $/year More than 5% lower annual home energy cost

Features Key features of the Xeon E7-8890 v3  vs E7-4890 v2 

clock speed

turbo clock speed

Specifications Full list of technical specs

summary

Xeon E7-8890 v3  vs
E7-4890 v2 
Clock speed 2.5 GHz 2.8 GHz
Turbo clock speed 3.3 GHz 3.4 GHz
Cores Processing Cores Pentadeca core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
AES
AVX
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 Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 51,200 MB/s 51,200 MB/s
Maximum memory size 1,572,864 MB 1,572,864 MB

details

Xeon E7-8890 v3  vs
E7-4890 v2 
Architecture x86-64 x86-64
Threads 36 30
Manufacture process 22 nm 22 nm
Max CPUs 8 4
Operating temperature Unknown - 79°C Unknown - 77°C

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

power consumption

TDP 165W 155W
Annual home energy cost 39.75 $/year 37.34 $/year
Annual commercial energy cost 144.54 $/year 135.78 $/year
Typical power consumption 134.06W 125.94W

bus

Architecture QPI QPI
Number of links 3 3
Data rate 115,200 MB/s 96,000 MB/s
Transfer rate 9,600 MT/s 8,000 MT/s
Clock speed 4,800 MHz 4,000 MHz
Intel Xeon E7-8890 v3
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Intel Xeon E7-4890 v2
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