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Differences What are the advantages of each

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 113.75W 3x lower typical power consumption
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 better CompuBench 1.5 video composition score 20.65 fps vs 3.71 fps More than 5.5x better CompuBench 1.5 video composition score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much lower annual home energy cost 11.32 $/year vs 33.73 $/year 3x lower annual home energy cost
Much lower annual commercial energy cost 41.17 $/year vs 122.64 $/year 3x lower annual commercial energy cost
Newer Apr, 2015 vs Jul, 2014 Release date 9 months later
Front view of Intel Core i7 5820K

Reasons to consider the
Intel Core i7 5820K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much better performance per dollar 3.87 pt/$ vs 0.71 pt/$ Around 5.5x better performance per dollar
Higher clock speed 3.3 GHz vs 2.7 GHz More than 20% higher clock speed
Significantly more l3 cache 15 MB vs 6 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
Slightly higher turbo clock speed 3.6 GHz vs 3.4 GHz More than 5% higher turbo clock speed
Much better overclocked clock speed (Air) 4.34 GHz vs 2.7 GHz More than 60% better overclocked clock speed (Air)
Significantly more l3 cache per core 2.5 MB/core vs 1.5 MB/core More than 65% more l3 cache per core
Significantly better performance per watt 10.79 pt/W vs 6.56 pt/W Around 65% better performance per watt
More cores 6 vs 4 2 more cores; run more applications at once
More threads 12 vs 8 4 more threads
Much better overclocked clock speed (Water) 4.51 GHz vs 2.7 GHz More than 65% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i7 5850EQ vs 5820K

CompuBench 1.5 (Face detection)

Core i7 5850EQ
16.69 mPixels/s
Core i7 5820K
6.74 mPixels/s

CompuBench 1.5 (Video composition) Data courtesy CompuBench

Core i7 5850EQ
20.65 fps
Core i7 5820K
3.71 fps

Specifications Full list of technical specs

summary

Core i7 5850EQ  vs
5820K 
Clock speed 2.7 GHz 3.3 GHz
Turbo clock speed 3.4 GHz 3.6 GHz
Cores Quad core Hexa 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

power consumption

TDP 47W 140W
Annual home energy cost 11.32 $/year 33.73 $/year
Annual commercial energy cost 41.17 $/year 122.64 $/year
Performance per watt 6.56 pt/W 10.79 pt/W
Typical power consumption 38.19W 113.75W

bus

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

details

Core i7 5850EQ  vs
5820K 
Architecture x86-64 x86-64
Threads 8 12
L3 cache 6 MB 15 MB
L3 cache per core 1.5 MB/core 2.5 MB/core
Manufacture process 14 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.7 GHz 4.34 GHz
Overclocked clock speed (Water) 2.7 GHz 4.51 GHz
Overclocked clock speed (Air) 2.7 GHz 4.34 GHz

integrated graphics

GPU GPU None
Label Intel® Iris™ Pro Graphics 6200 N/A
Number of displays supported 3 N/A
GPU clock speed 300 MHz N/A
Turbo clock speed 1,000 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
DDR4-1333
DDR4-1600
DDR4-2133
Channels Dual Channel Quad Channel
Supports ECC Yes No
Maximum memory size 32,768 MB 65,536 MB
Intel Core i7 5850EQ
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Intel Core i7 5820K
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