CPUBoss Review Our evaluation of E3-1231 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 E3-1231 v3 

CPUBoss recommends the Intel Xeon E3-1231 v3  based on its power consumption and value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E3-1231 v3

Reasons to consider the
Intel Xeon E3-1231 v3

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Much better performance per dollar 5.83 pt/$ vs 0.91 pt/$ Around 6.5x better performance per dollar
Much better performance per watt 18.71 pt/W vs 3.49 pt/W More than 5.2x better performance per watt
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Lower typical power consumption 65W vs 73.94W More than 10% lower typical power consumption
Lower annual home energy cost 19.27 $/year vs 21.92 $/year More than 10% lower annual home energy cost
Lower annual commercial energy cost 70.08 $/year vs 79.72 $/year More than 10% lower annual commercial energy cost
Front view of Intel Core i7 6700K

Reasons to consider the
Intel Core i7 6700K

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Much better 3DMark06 CPU score 80.5 vs 63.9 More than 25% better 3DMark06 CPU score
Much better CompuBench 1.5 T-Rex score 1.82 fps vs 0.59 fps More than 3x better CompuBench 1.5 T-Rex score
Higher clock speed 4 GHz vs 3.4 GHz Around 20% 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 3.8 GHz More than 10% 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
Significantly better overclocked clock speed (Air) 4.61 GHz vs 3.76 GHz Around 25% better overclocked clock speed (Air)
Better PassMark score 11,109 vs 9,627 More than 15% better PassMark score
Better PassMark (Single core) score 2,349 vs 2,170 Around 10% better PassMark (Single core) score
Newer Jul, 2015 vs Apr, 2014 Release date over 1 years later
Significantly better overclocked clock speed (Water) 4.77 GHz vs 3.81 GHz More than 25% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E3-1231 v3 vs Core i7 6700K

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Xeon E3-1231 v3
0.59 fps
Core i7 6700K
1.82 fps

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 E3-1231 v3
4,175,000 MB/s
Core i7 6700K
6,010 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1231 v3  vs
Core i7 6700K 
Clock speed 3.4 GHz 4 GHz
Turbo clock speed 3.8 GHz 4.2 GHz
Cores Quad 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 80W 91W
Annual home energy cost 19.27 $/year 21.92 $/year
Annual commercial energy cost 70.08 $/year 79.72 $/year
Performance per watt 18.71 pt/W 3.49 pt/W
Typical power consumption 65W 73.94W

bus

Architecture DMI 2.0 FSB
Number of links 0 0
Transfer rate 5,000 MT/s 8,000 MT/s

details

Xeon E3-1231 v3  vs
Core i7 6700K 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.76 GHz 4.61 GHz
Overclocked clock speed (Water) 3.81 GHz 4.77 GHz
Overclocked clock speed (Air) 3.76 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
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 65,536 MB
Intel Xeon E3-1231 v3
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Intel Core i7 6700K
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