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Differences What are the advantages of each

Front view of Intel Xeon E7-2850 v2

Reasons to consider the
Intel Xeon E7-2850 v2

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Much more l2 cache 3 MB vs 2 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 24 MB vs 20 MB 20% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 24 vs 16 8 more threads
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 85.31W vs 93.44W Around 10% lower typical power consumption
Newer Feb, 2014 vs Mar, 2012 Release date over 1 years later
Lower annual commercial energy cost 91.98 $/year vs 100.74 $/year Around 10% lower annual commercial energy cost
Lower annual home energy cost 25.29 $/year vs 27.7 $/year Around 10% lower annual home energy cost
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

Features Key features of the Xeon E7-2850 v2  vs E5-2689 

clock speed

Xeon E7-2850 v2
2.3 GHz
Xeon E5-2689
2.6 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E7-2850 v2  vs
E5-2689 
Clock speed 2.3 GHz 2.6 GHz
Cores Dodeca core Octa core
Socket type
LGA 2011

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

details

Xeon E7-2850 v2  vs
E5-2689 
Threads 24 16
L2 cache 3 MB 2 MB
L3 cache 24 MB 20 MB
Manufacture process 22 nm 32 nm
Max CPUs 2 2

power consumption

TDP 105W 115W
Annual home energy cost 25.29 $/year 27.7 $/year
Annual commercial energy cost 91.98 $/year 100.74 $/year
Typical power consumption 85.31W 93.44W
Intel Xeon E7-2850 v2
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Intel Xeon E5-2689
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