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Differences What are the advantages of each

Front view of Intel Xeon E5 2667 v2

Reasons to consider the
Intel Xeon E5 2667 v2

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Higher turbo clock speed 4 GHz vs 3.6 GHz More than 10% higher turbo clock speed
Much better performance per watt 9.58 pt/W vs 3.45 pt/W More than 2.8x better performance per watt
Significantly better performance per dollar 0.61 pt/$ vs 0.23 pt/$ Around 2.8x better performance per dollar
Better overclocked clock speed (Air) 3.87 GHz vs 3.5 GHz More than 10% better overclocked clock speed (Air)
Slightly lower typical power consumption 105.63W vs 109.69W Around 5% lower typical power consumption
Slightly lower annual home energy cost 31.32 $/year vs 32.52 $/year Around 5% lower annual home energy cost
Slightly lower annual commercial energy cost 113.88 $/year vs 118.26 $/year Around 5% lower annual commercial energy cost
Front view of Intel E5-2667V4

Reasons to consider the
Intel E5-2667V4

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Much better geekbench 3 Multi-Core score 40,990.5 vs 21,059 Around 95% better geekbench 3 Multi-Core score
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more RAM 1,572,864 MB vs 786,432 MB Supports 2x more RAM
Better geekbench 3 single core score 3,054.5 vs 2,611 More than 15% better geekbench 3 single core score
Newer Jan, 2016 vs Jul, 2013 Release date over 2 years later
Higher Maximum operating temperature 78 °C vs 74 °C More than 5% higher Maximum operating temperature

Benchmarks Real world tests of Xeon E5 2667 v2 vs E5-2667V4

GeekBench 3 (Multi-core) Data courtesy Primate Labs

E5-2667V4
40,990.5

GeekBench 3 (Single core) Data courtesy Primate Labs

E5-2667V4
3,054.5

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5 2667 v2
1,730,000 MB/s
E5-2667V4
2,580 MB/s

Specifications Full list of technical specs

summary

Xeon E5 2667 v2  vs
E5-2667V4 
Clock speed 3.3 GHz 3.2 GHz
Turbo clock speed 4 GHz 3.6 GHz
Cores Octa core Octa core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 135W
Annual home energy cost 31.32 $/year 32.52 $/year
Annual commercial energy cost 113.88 $/year 118.26 $/year
Performance per watt 9.58 pt/W 3.45 pt/W
Typical power consumption 105.63W 109.69W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 64,000 MB/s 76,800 MB/s
Transfer rate 8,000 MT/s 9,600 MT/s
Clock speed 4,000 MHz 4,800 MHz

details

Xeon E5 2667 v2  vs
E5-2667V4 
Architecture x86-64 x86-64
Threads 16 16
L3 cache 25 MB 25 MB
L3 cache per core 3.13 MB/core 3.13 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 2 2
Operating temperature Unknown - 74°C Unknown - 78°C

overclocking

Overclocked clock speed 3.87 GHz 3.5 GHz
Overclocked clock speed (Water) 3.3 GHz 3.2 GHz
Overclocked clock speed (Air) 3.87 GHz 3.5 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
Channels Quad Channel Quad Channel
Supports ECC No Yes
Maximum memory size 786,432 MB 1,572,864 MB
Intel Xeon E5 2667 v2
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Intel E5-2667V4
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