CPUBoss Review Our evaluation of E3-1271 v3 vs 6700 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 Core i7 6700 

CPUBoss recommends the Intel Core i7 6700  based on its value.

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VS
Front view of Intel Core i7 6700

Intel Core i7 6700

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon E3-1271 v3

Reasons to consider the
Intel Xeon E3-1271 v3

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Higher clock speed 3.6 GHz vs 3.4 GHz More than 5% higher clock speed
Front view of Intel Core i7 6700

Reasons to consider the
Intel Core i7 6700

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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 52.81W vs 65W Around 20% lower typical power consumption
Newer Jul, 2015 vs Apr, 2014 Release date over 1 years later
Better performance per dollar 0.87 pt/$ vs 0.8 pt/$ Around 10% better performance per dollar
Better performance per watt 4.09 pt/W vs 3.4 pt/W More than 20% better performance per watt
Lower annual home energy cost 15.66 $/year vs 19.27 $/year Around 20% lower annual home energy cost
Lower annual commercial energy cost 56.94 $/year vs 70.08 $/year Around 20% lower annual commercial energy cost
Better overclocked clock speed (Water) 4.18 GHz vs 3.88 GHz Around 10% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E3-1271 v3 vs Core i7 6700

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1271 v3  vs
Core i7 6700 
Clock speed 3.6 GHz 3.4 GHz
Turbo clock speed 4 GHz 4 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
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 65W
Annual home energy cost 19.27 $/year 15.66 $/year
Annual commercial energy cost 70.08 $/year 56.94 $/year
Performance per watt 3.4 pt/W 4.09 pt/W
Typical power consumption 65W 52.81W

bus

Architecture DMI 2.0 FSB
Number of links 0 1
Transfer rate 5,000 MT/s 8,000 MT/s

details

Xeon E3-1271 v3  vs
Core i7 6700 
Architecture x86-64 x86-64
Threads 8 8
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 4.05 GHz 3.98 GHz
Overclocked clock speed (Water) 3.88 GHz 4.18 GHz
Overclocked clock speed (Air) 4.05 GHz 3.98 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 E3-1271 v3
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Intel Core i7 6700
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