CPUBoss Review Our evaluation of E5-2687W v3 vs 6700K among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

8.2

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5-2687W v3 

CPUBoss recommends the Intel Xeon E5-2687W v3  based on its performance.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5-2687W v3

Reasons to consider the
Intel Xeon E5-2687W v3

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Much more l3 cache 25 MB vs 8 MB Around 3.2x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 10 vs 4 6 more cores; run more applications at once
More threads 20 vs 8 12 more threads
Significantly better PassMark score 17,779 vs 11,109 More than 60% better PassMark score
Much better performance per watt 9.91 pt/W vs 3.49 pt/W More than 2.8x better performance per watt
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
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Higher Maximum operating temperature 74.7 °C vs 64 °C More than 15% higher Maximum operating temperature
Front view of Intel Core i7 6700K

Reasons to consider the
Intel Core i7 6700K

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Significantly higher clock speed 4 GHz vs 3.1 GHz Around 30% higher clock speed
Higher turbo clock speed 4.2 GHz vs 3.5 GHz More than 20% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 73.94W vs 130W Around 45% lower typical power consumption
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 4.61 GHz vs 3.21 GHz Around 45% better overclocked clock speed (Air)
Better PassMark (Single core) score 2,349 vs 1,938 More than 20% better PassMark (Single core) score
Better performance per dollar 0.91 pt/$ vs 0.74 pt/$ Around 25% better performance per dollar
Much lower annual home energy cost 21.92 $/year vs 38.54 $/year Around 45% lower annual home energy cost
Much lower annual commercial energy cost 79.72 $/year vs 140.16 $/year Around 45% lower annual commercial energy cost
Much better overclocked clock speed (Water) 4.77 GHz vs 3.1 GHz Around 55% better overclocked clock speed (Water)
Newer Jul, 2015 vs Jul, 2014 Release date a year later

Benchmarks Real world tests of Xeon E5-2687W v3 vs Core i7 6700K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2687W v3
3,340,000 MB/s
Core i7 6700K
6,010 MB/s

Cinebench R10 32-Bit

Cinebench R10 32-Bit (Single Core)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-2687W v3  vs
Core i7 6700K 
Clock speed 3.1 GHz 4 GHz
Turbo clock speed 3.5 GHz 4.2 GHz
Cores Deca 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 160W 91W
Annual home energy cost 38.54 $/year 21.92 $/year
Annual commercial energy cost 140.16 $/year 79.72 $/year
Performance per watt 9.91 pt/W 3.49 pt/W
Typical power consumption 130W 73.94W

bus

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

details

Xeon E5-2687W v3  vs
Core i7 6700K 
Architecture x86-64 x86-64
Threads 20 8
L3 cache 25 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 - 74.7°C Unknown - 64°C

overclocking

Overclocked clock speed 3.21 GHz 4.61 GHz
Overclocked clock speed (Water) 3.1 GHz 4.77 GHz
Overclocked clock speed (Air) 3.21 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 E5-2687W v3
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Intel Core i7 6700K
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