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Differences What are the advantages of each

Front view of Intel Xeon E5-2670 v3

Reasons to consider the
Intel Xeon E5-2670 v3

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Much more l3 cache 30 MB vs 16 MB Around 90% more l3 cache; more data can be stored in the l3 cache for quick access later
Much better PassMark score 16,619 vs 5,979 More than 2.8x better PassMark score
Much better PassMark (Single core) score 1,699 vs 756 Around 2.2x better PassMark (Single core) score
More threads 24 vs 12 Twice as many threads
Much better performance per watt 8.63 pt/W vs 0.95 pt/W More than 9x better performance per watt
Much higher Maximum operating temperature 84.5 °C vs 70.4 °C More than 20% higher Maximum operating temperature
Higher turbo clock speed 3.1 GHz vs 3 GHz Around 5% higher turbo clock speed
Much more l3 cache per core 2.5 MB/core vs 1.33 MB/core Around 90% 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
Newer Jul, 2014 vs Nov, 2011 Release date over 2 years later
Front view of AMD Opteron 6234

Reasons to consider the
AMD Opteron 6234

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Higher clock speed 2.4 GHz vs 2.3 GHz Around 5% higher clock speed
Much better overclocked clock speed (Air) 3.32 GHz vs 2.7 GHz Around 25% better overclocked clock speed (Air)
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Better overclocked clock speed (Water) 2.4 GHz vs 2.3 GHz Around 5% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E5-2670 v3 vs Opteron 6234

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 E5-2670 v3
1,677,550 MB/s
Opteron 6234
1,570 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2670 v3  vs
Opteron 6234 
Clock speed 2.3 GHz 2.4 GHz
Turbo clock speed 3.1 GHz 3 GHz
Cores Duodeca core Duodeca 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

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 8.63 pt/W 0.95 pt/W
Typical power consumption 97.5W 93.44W

bus

Architecture QPI HyperTransport 3.0
Number of links 2 4
Transfer rate 9,600 MT/s 6,400 MT/s
Clock speed 4,800 MHz 3,200 MHz

details

Xeon E5-2670 v3  vs
Opteron 6234 
Threads 24 12
L3 cache 30 MB 16 MB
L3 cache per core 2.5 MB/core 1.33 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 2 4
Operating temperature Unknown - 84.5°C Unknown - 70.4°C

overclocking

Overclocked clock speed 2.7 GHz 3.32 GHz
Overclocked clock speed (Water) 2.3 GHz 2.4 GHz
Overclocked clock speed (Air) 2.7 GHz 3.32 GHz

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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
DDR
Intel Xeon E5-2670 v3
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AMD Opteron 6234
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