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Differences What are the advantages of each

Front view of Intel Xeon E3-1285 v4

Reasons to consider the
Intel Xeon E3-1285 v4

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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
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer Apr, 2015 vs Apr, 2014 Release date a year later
Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Higher turbo clock speed 4.4 GHz vs 3.8 GHz More than 15% higher turbo clock speed
Higher clock speed 4 GHz vs 3.5 GHz Around 15% higher clock speed
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)
Higher GPU clock speed 350 MHz vs 300 MHz More than 15% higher GPU clock speed
Lower typical power consumption 71.5W vs 77.19W More than 5% lower typical power consumption
Significantly better overclocked clock speed (Water) 4.8 GHz vs 3.5 GHz More than 35% better overclocked clock speed (Water)
Lower annual home energy cost 21.2 $/year vs 22.89 $/year More than 5% lower annual home energy cost
Lower annual commercial energy cost 77.09 $/year vs 83.22 $/year More than 5% lower annual commercial energy cost

Features Key features of the Xeon E3-1285 v4  vs Core i7 4790K 

clock speed

turbo clock speed

Xeon E3-1285 v4
3.8 GHz
Core i7 4790K
4.4 GHz

gpu clock speed

Xeon E3-1285 v4
300 MHz
Core i7 4790K
350 MHz

overclocked clock speed (air)

Xeon E3-1285 v4
3.5 GHz
Core i7 4790K
4.63 GHz

overclocked clock speed (water)

Xeon E3-1285 v4
3.5 GHz
Core i7 4790K
4.8 GHz

Specifications Full list of technical specs

summary

Xeon E3-1285 v4  vs
Core i7 4790K 
Clock speed 3.5 GHz 4 GHz
Turbo clock speed 3.8 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 95W 88W
Annual home energy cost 22.89 $/year 21.2 $/year
Annual commercial energy cost 83.22 $/year 77.09 $/year
Typical power consumption 77.19W 71.5W

bus

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

details

Xeon E3-1285 v4  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 P6300 Intel® HD Graphics 4600
Number of displays supported 3 3
GPU clock speed 300 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 32,768 MB 32,768 MB
Intel Xeon E3-1285 v4
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Intel Core i7 4790K
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