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Differences What are the advantages of each

Front view of Intel Xeon E5-2650 v3

Reasons to consider the
Intel Xeon E5-2650 v3

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Much more l3 cache 25 MB vs 16 MB More than 55% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 20 vs 16 4 more threads
Much more l3 cache per core 2.5 MB/core vs 1 MB/core 2.5x more l3 cache per core
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
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 AMD Opteron 6280

Reasons to consider the
AMD Opteron 6280

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Significantly higher clock speed 2.5 GHz vs 2.3 GHz Around 10% higher clock speed
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration

Features Key features of the Xeon E5-2650 v3  vs Opteron 6280 

clock speed

Xeon E5-2650 v3
2.3 GHz
Opteron 6280
2.5 GHz

L3 cache

Specifications Full list of technical specs

summary

Xeon E5-2650 v3  vs
Opteron 6280 
Clock speed 2.3 GHz 2.5 GHz
Cores Deca core 16 core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
Supplemental SSE3
AES
AVX 2.0

details

Xeon E5-2650 v3  vs
Opteron 6280 
Threads 20 16
L3 cache 25 MB 16 MB
L3 cache per core 2.5 MB/core 1 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 2 4

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

bus

Architecture QPI HyperTransport 3.0
Transfer rate 9,600 MT/s 6,400 MT/s
Clock speed 4,800 MHz 3,200 MHz
Intel Xeon E5-2650 v3
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AMD Opteron 6280
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