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Differences What are the advantages of each

Front view of Intel Xeon E5-2667 v3

Reasons to consider the
Intel Xeon E5-2667 v3

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Much higher clock speed 3.2 GHz vs 2.9 GHz More than 10% higher clock speed
Much more l3 cache 20 MB vs 15 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more RAM 786,432 MB vs 393,216 MB Supports 2x more RAM
More threads 16 vs 12 4 more threads
Higher turbo clock speed 3.6 GHz vs 3.5 GHz Around 5% higher turbo clock speed
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better overclocked clock speed (Air) 3.44 GHz vs 3.22 GHz More than 5% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 3.2 GHz vs 2.9 GHz More than 10% better overclocked clock speed (Water)
Newer Jul, 2014 vs Mar, 2012 Release date over 2 years later
Front view of Intel Xeon E5-2667

Reasons to consider the
Intel Xeon E5-2667

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Much higher Maximum operating temperature 85 °C vs 77.8 °C Around 10% higher Maximum operating temperature

Benchmarks Real world tests of Xeon E5-2667 v3 vs E5-2667

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2667 v3  vs
E5-2667 
Clock speed 3.2 GHz 2.9 GHz
Turbo clock speed 3.6 GHz 3.5 GHz
Cores Octa 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
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 135W 130W
Annual home energy cost 32.52 $/year 31.32 $/year
Annual commercial energy cost 118.26 $/year 113.88 $/year
Performance per watt 3.29 pt/W 3.58 pt/W
Typical power consumption 109.69W 105.63W

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

details

Xeon E5-2667 v3  vs
E5-2667 
Architecture x86-64 x86-64
Threads 16 12
L3 cache 20 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 2 2
Operating temperature Unknown - 77.8°C Unknown - 85°C

overclocking

Overclocked clock speed 3.44 GHz 3.22 GHz
Overclocked clock speed (Water) 3.2 GHz 2.9 GHz
Overclocked clock speed (Air) 3.44 GHz 3.22 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
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
DDR
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 6,400 MB/s 51,200 MB/s
Maximum memory size 786,432 MB 393,216 MB
Intel Xeon E5-2667 v3
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Intel Xeon E5-2667
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