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Differences What are the advantages of each

Front view of Intel Xeon E5-2695 v3

Reasons to consider the
Intel Xeon E5-2695 v3

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Much more l3 cache 35 MB vs 20 MB 75% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 28 vs 16 12 more threads
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Jul, 2014 vs Mar, 2012 Release date over 2 years later
Front view of Intel Xeon E5-2689

Reasons to consider the
Intel Xeon E5-2689

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Much higher clock speed 2.6 GHz vs 2.3 GHz Around 15% higher clock speed

Benchmarks Real world tests of Xeon E5-2695 v3 vs E5-2689

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 E5-2695 v3
3,020 MB/s
Xeon E5-2689
2,360,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2695 v3  vs
E5-2689 
Clock speed 2.3 GHz 2.6 GHz
Cores Processing Cores Octa 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
AVX 2.0
Supports dynamic frequency scaling Yes Yes

details

Xeon E5-2695 v3  vs
E5-2689 
Threads 28 16
L3 cache 35 MB 20 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 2 2

power consumption

TDP 120W 115W
Annual home energy cost 28.91 $/year 27.7 $/year
Annual commercial energy cost 105.12 $/year 100.74 $/year
Performance per watt 5.19 pt/W 10.97 pt/W
Typical power consumption 97.5W 93.44W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 76,800 MB/s 64,000 MB/s
Transfer rate 9,600 MT/s 8,000 MT/s
Clock speed 4,800 MHz 4,000 MHz
Intel Xeon E5-2695 v3
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Intel Xeon E5-2689
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