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Differences What are the advantages of each

Front view of Intel Core i7 6700K

Reasons to consider the
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 2.7 GHz Around 50% higher clock speed
Higher turbo clock speed 4.2 GHz vs 3.4 GHz Around 25% higher turbo clock speed
Much better overclocked clock speed (Air) 4.61 GHz vs 2.7 GHz More than 70% better overclocked clock speed (Air)
Significantly better turbo clock speed 1,150 MHz vs 1,000 MHz 15% better turbo clock speed
Slightly more l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Better performance per dollar 0.91 pt/$ vs 0.71 pt/$ Around 30% better performance per dollar
Higher GPU clock speed 350 MHz vs 300 MHz More than 15% higher GPU clock speed
Much better overclocked clock speed (Water) 4.77 GHz vs 2.7 GHz More than 75% better overclocked clock speed (Water)
Newer Jul, 2015 vs Apr, 2015 Release date 3 months later
Front view of Intel Core i7 5850EQ

Reasons to consider the
Intel Core i7 5850EQ

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Much lower typical power consumption 38.19W vs 73.94W Around 50% lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better CompuBench 1.5 video composition score 20.65 fps vs 13.68 fps More than 50% better CompuBench 1.5 video composition score
Significantly better performance per watt 6.56 pt/W vs 3.49 pt/W Around 90% better performance per watt
Much lower annual home energy cost 11.32 $/year vs 21.92 $/year Around 50% lower annual home energy cost
Much lower annual commercial energy cost 41.17 $/year vs 79.72 $/year Around 50% lower annual commercial energy cost

Benchmarks Real world tests of Core i7 6700K vs 5850EQ

CompuBench 1.5 (Face detection)

Core i7 6700K
26.72 mPixels/s
Core i7 5850EQ
16.69 mPixels/s

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Core i7 6700K
302.88 fps
Core i7 5850EQ
274.23 fps

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 6700K
1.82 fps
Core i7 5850EQ
1.54 fps

CompuBench 1.5 (Video composition) Data courtesy CompuBench

Core i7 6700K
13.68 fps
Core i7 5850EQ
20.65 fps

Specifications Full list of technical specs

summary

Core i7 6700K  vs
5850EQ 
Clock speed 4 GHz 2.7 GHz
Turbo clock speed 4.2 GHz 3.4 GHz
Cores Quad core Quad core
Is unlocked Yes No

features

Has a NX bit Yes Yes
Supports trusted computing No 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 91W 47W
Annual home energy cost 21.92 $/year 11.32 $/year
Annual commercial energy cost 79.72 $/year 41.17 $/year
Performance per watt 3.49 pt/W 6.56 pt/W
Typical power consumption 73.94W 38.19W

bus

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

details

Core i7 6700K  vs
5850EQ 
Architecture x86-64 x86-64
Threads 8 8
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 14 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.61 GHz 2.7 GHz
Overclocked clock speed (Water) 4.77 GHz 2.7 GHz
Overclocked clock speed (Air) 4.61 GHz 2.7 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 530 Intel® Iris™ Pro Graphics 6200
Number of displays supported 3 3
GPU clock speed 350 MHz 300 MHz
Turbo clock speed 1,150 MHz 1,000 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 25,600 MB/s 12,800 MB/s
Maximum memory size 65,536 MB 32,768 MB
Intel Core i7 6700K
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Intel Core i7 5850EQ
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