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Differences What are the advantages of each

Front view of Intel E3-1585V5

Reasons to consider the
Intel E3-1585V5

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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 71.5W More than 25% lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer Apr, 2016 vs Apr, 2014 Release date over 2 years later
Lower annual home energy cost 15.66 $/year vs 21.2 $/year More than 25% lower annual home energy cost
Lower annual commercial energy cost 56.94 $/year vs 77.09 $/year More than 25% lower annual commercial energy cost
Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Higher clock speed 4 GHz vs 3.5 GHz Around 15% higher clock speed
Higher turbo clock speed 4.4 GHz vs 3.9 GHz Around 15% higher turbo clock speed
Much better performance per watt 11.42 pt/W vs 4.45 pt/W More than 2.5x better performance per watt
Significantly better PassMark (Single core) score 2,530 vs 1,737 More than 45% better PassMark (Single core) score
Better turbo clock speed 1,250 MHz vs 1,150 MHz Around 10% better turbo clock speed
Significantly better overclocked clock speed (Air) 4.63 GHz vs 3.5 GHz More than 30% better overclocked clock speed (Air)
Better PassMark score 11,194 vs 9,403 Around 20% better PassMark score
Significantly better overclocked clock speed (Water) 4.8 GHz vs 3.5 GHz More than 35% better overclocked clock speed (Water)

Benchmarks Real world tests of E3-1585V5 vs Core i7 4790K

PassMark Data courtesy Passmark

E3-1585V5
9,403
Core i7 4790K
11,194

PassMark (Single Core)

E3-1585V5
1,737

Specifications Full list of technical specs

summary

E3-1585V5  vs
Core i7 4790K 
Clock speed 3.5 GHz 4 GHz
Turbo clock speed 3.9 GHz 4.4 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
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 88W
Annual home energy cost 15.66 $/year 21.2 $/year
Annual commercial energy cost 56.94 $/year 77.09 $/year
Performance per watt 4.45 pt/W 11.42 pt/W
Typical power consumption 52.81W 71.5W

bus

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

details

E3-1585V5  vs
Core i7 4790K 
Architecture x86-64 x86-64
Threads 8 8
Manufacture process 14 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.5 GHz 4.63 GHz
Overclocked clock speed (Water) 3.5 GHz 4.8 GHz
Overclocked clock speed (Air) 3.5 GHz 4.63 GHz

integrated graphics

GPU GPU GPU
Label Intel® Iris™ Pro Graphics P580 Intel® HD Graphics 4600
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,150 MHz 1,250 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 12,800 MB/s 25,600 MB/s
Maximum memory size 65,536 MB 32,768 MB
Intel E3-1585V5
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Intel Core i7 4790K
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