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Differences What are the advantages of each

Front view of Intel Xeon E5-4650 v3

Reasons to consider the
Intel Xeon E5-4650 v3

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Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More cores 12 vs 4 Three times as many cores; run more applications at once
More threads 24 vs 8 Three times as many threads
Supports more RAM 786,432 MB vs 65,536 MB Supports 12x more RAM
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Higher Maximum operating temperature 77.6 °C vs 64 °C More than 20% higher Maximum operating temperature
Front view of Intel Core i7 6700K

Reasons to consider the
Intel Core i7 6700K

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Much higher clock speed 4 GHz vs 2.1 GHz More than 90% higher clock speed
Much higher turbo clock speed 4.2 GHz vs 2.8 GHz More than 50% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 73.94W vs 85.31W Around 15% lower typical power consumption
Lower annual home energy cost 21.92 $/year vs 25.29 $/year Around 15% lower annual home energy cost
Lower annual commercial energy cost 79.72 $/year vs 91.98 $/year Around 15% lower annual commercial energy cost
Newer Jul, 2015 vs Apr, 2015 Release date 3 months later

Features Key features of the Xeon E5-4650 v3  vs Core i7 6700K 

clock speed

turbo clock speed

Xeon E5-4650 v3
2.8 GHz
Core i7 6700K
4.2 GHz

Specifications Full list of technical specs


Xeon E5-4650 v3  vs
Core i7 6700K 
Clock speed 2.1 GHz 4 GHz
Turbo clock speed 2.8 GHz 4.2 GHz
Cores Duodeca core Quad core


Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum memory size 786,432 MB 65,536 MB


Xeon E5-4650 v3  vs
Core i7 6700K 
Architecture x86-64 x86-64
Threads 24 8
Manufacture process 22 nm 14 nm
Max CPUs 4 1
Operating temperature Unknown - 77.6°C Unknown - 64°C

integrated graphics

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

power consumption

TDP 105W 91W
Annual home energy cost 25.29 $/year 21.92 $/year
Annual commercial energy cost 91.98 $/year 79.72 $/year
Typical power consumption 85.31W 73.94W


Architecture QPI FSB
Number of links 2 0
Transfer rate 9,600 MT/s 8,000 MT/s
Intel Xeon E5-4650 v3
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Intel Core i7 6700K
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