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Differences What are the advantages of each

Front view of Intel Xeon E7-4870 v2

Reasons to consider the
Intel Xeon E7-4870 v2

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Much more l2 cache 3.5 MB vs 1 MB 3.5x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 30 MB vs 8 MB 3.8x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More cores 15 vs 4 11 more cores; run more applications at once
More threads 30 vs 8 22 more threads
Supports more RAM 1,572,864 MB vs 65,536 MB Supports 24x more RAM
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Higher Maximum operating temperature 73 °C vs 64 °C Around 15% higher Maximum operating temperature
Front view of Intel Core i7 6700K

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Intel Core i7 6700K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher clock speed 4 GHz vs 2.3 GHz Around 75% higher clock speed
Significantly higher turbo clock speed 4.2 GHz vs 2.9 GHz Around 45% 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
Much lower typical power consumption 73.94W vs 105.63W 30% lower typical power consumption
Newer Jul, 2015 vs Feb, 2014 Release date over 1 years later
Much lower annual home energy cost 21.92 $/year vs 31.32 $/year 30% lower annual home energy cost
Much lower annual commercial energy cost 79.72 $/year vs 113.88 $/year More than 30% lower annual commercial energy cost

Features Key features of the Xeon E7-4870 v2  vs Core i7 6700K 

clock speed

turbo clock speed

Xeon E7-4870 v2
2.9 GHz
Core i7 6700K
4.2 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E7-4870 v2  vs
Core i7 6700K 
Clock speed 2.3 GHz 4 GHz
Turbo clock speed 2.9 GHz 4.2 GHz
Cores Pentadeca core Quad core
Is unlocked No Yes

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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 51,200 MB/s 25,600 MB/s
Maximum memory size 1,572,864 MB 65,536 MB

details

Xeon E7-4870 v2  vs
Core i7 6700K 
Architecture x86-64 x86-64
Threads 30 8
L2 cache 3.5 MB 1 MB
L2 cache per core 0.23 MB/core 0.25 MB/core
L3 cache 30 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 4 1
Operating temperature Unknown - 73°C Unknown - 64°C

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

power consumption

TDP 130W 91W
Annual home energy cost 31.32 $/year 21.92 $/year
Annual commercial energy cost 113.88 $/year 79.72 $/year
Typical power consumption 105.63W 73.94W

bus

Architecture QPI FSB
Number of links 3 0
Transfer rate 8,000 MT/s 8,000 MT/s
Intel Xeon E7-4870 v2
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Intel Core i7 6700K
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