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Differences What are the advantages of each

Front view of Intel Xeon E7-8867 v3

Reasons to consider the
Intel Xeon E7-8867 v3

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Much higher clock speed 2.5 GHz vs 2.1 GHz Around 20% higher clock speed
More threads 32 vs 12 20 more threads
Much higher turbo clock speed 3.3 GHz vs 2.6 GHz More than 25% higher turbo clock speed
Supports more RAM 1,572,864 MB vs 786,432 MB Supports 2x more RAM
Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Newer Apr, 2015 vs Jul, 2013 Release date over 1 years later
Front view of Intel Xeon E5 2620 v2

Reasons to consider the
Intel Xeon E5 2620 v2

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Much better performance per dollar 2.19 pt/$ vs 0.23 pt/$ More than 9.5x better performance per dollar
Much lower typical power consumption 65W vs 134.06W 2.1x lower typical power consumption
Much lower annual commercial energy cost 70.08 $/year vs 144.54 $/year 2.1x lower annual commercial energy cost
Much lower annual home energy cost 19.27 $/year vs 39.75 $/year 2.1x lower annual home energy cost

Benchmarks Real world tests of Xeon E7-8867 v3 vs E5 2620 v2

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E7-8867 v3
3,050 MB/s
Xeon E5 2620 v2
1,400,000 MB/s

Specifications Full list of technical specs

summary

Xeon E7-8867 v3  vs
E5 2620 v2 
Clock speed 2.5 GHz 2.1 GHz
Turbo clock speed 3.3 GHz 2.6 GHz
Cores 16 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
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
DDR3-800
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 786,432 MB

details

Xeon E7-8867 v3  vs
E5 2620 v2 
Architecture x86-64 x86-64
Threads 32 12
Manufacture process 22 nm 22 nm
Max CPUs 8 2
Operating temperature Unknown - 79°C Unknown - 71°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 80W
Annual home energy cost 39.75 $/year 19.27 $/year
Annual commercial energy cost 144.54 $/year 70.08 $/year
Performance per watt 6.48 pt/W 12.06 pt/W
Typical power consumption 134.06W 65W

bus

Architecture QPI QPI
Number of links 3 2
Data rate 115,200 MB/s 57,600 MB/s
Transfer rate 9,600 MT/s 7,200 MT/s
Clock speed 4,800 MHz 3,600 MHz
Intel Xeon E7-8867 v3
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Intel Xeon E5 2620 v2
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