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Intel Xeon E5-2667 v3

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 Front view of Intel Xeon E5-2667 v3
Front view of Intel Core i7 6700K

Intel Core i7 6700K

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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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Significantly more l3 cache 20 MB vs 8 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 8 vs 4 Twice as many cores; run more applications at once
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Supports more RAM 786,432 MB vs 65,536 MB Supports 12x more RAM
More threads 16 vs 8 Twice as many threads
Significantly better PassMark score 16,101 vs 11,109 Around 45% better PassMark score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Higher Maximum operating temperature 77.8 °C vs 64 °C More than 20% higher Maximum operating temperature
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
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Intel Core i7 6700K

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Significantly higher clock speed 4 GHz vs 3.2 GHz Around 25% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher turbo clock speed 4.2 GHz vs 3.6 GHz More than 15% higher turbo clock speed
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 73.94W vs 109.69W Around 35% lower typical power consumption
Much better performance per dollar 0.91 pt/$ vs 0.22 pt/$ Around 4.2x better performance per dollar
Significantly better overclocked clock speed (Air) 4.61 GHz vs 3.44 GHz Around 35% better overclocked clock speed (Air)
Better PassMark (Single core) score 2,349 vs 2,045 Around 15% better PassMark (Single core) score
Much better overclocked clock speed (Water) 4.77 GHz vs 3.2 GHz Around 50% better overclocked clock speed (Water)
Much lower annual home energy cost 21.92 $/year vs 32.52 $/year Around 35% lower annual home energy cost
Much lower annual commercial energy cost 79.72 $/year vs 118.26 $/year Around 35% lower annual commercial energy cost
Newer Jul, 2015 vs Jul, 2014 Release date a year later

Benchmarks Real world tests of Xeon E5-2667 v3 vs Core i7 6700K

PassMark Data courtesy Passmark

Xeon E5-2667 v3
16,101
Core i7 6700K
11,109

PassMark (Single Core)

Xeon E5-2667 v3
2,045
Core i7 6700K
2,349

Specifications Full list of technical specs

summary

 Xeon E5-2667 v3  vs
Core i7 6700K 
Clock speed 3.2 GHz 4 GHz
Turbo clock speed 3.6 GHz 4.2 GHz
Cores Octa core Quad core

features
Has a NX bit Yes Yes
Supports trusted computing Yes No
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 135W 91W
Annual home energy cost 32.52 $/year 21.92 $/year
Annual commercial energy cost 118.26 $/year 79.72 $/year
Performance per watt 3.29 pt/W 3.49 pt/W
Typical power consumption 109.69W 73.94W

bus
Architecture QPI FSB
Number of links 2 0
Transfer rate 9,600 MT/s 8,000 MT/s

details

 Xeon E5-2667 v3  vs
Core i7 6700K 
Architecture x86-64 x86-64
Threads 16 8
L3 cache 20 MB 8 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 2 1
Operating temperature Unknown - 77.8°C Unknown - 64°C

overclocking
Overclocked clock speed 3.44 GHz 4.61 GHz
Overclocked clock speed (Water) 3.2 GHz 4.77 GHz
Overclocked clock speed (Air) 3.44 GHz 4.61 GHz

integrated graphics
GPU None GPU
Label N/A Intel® HD Graphics 530
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,150 MHz

memory controller
Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 6,400 MB/s 25,600 MB/s
Maximum memory size 786,432 MB 65,536 MB
Intel Xeon E5-2667 v3
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Intel Core i7 6700K
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