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Differences What are the advantages of each

Front view of Intel Xeon D-1527

Reasons to consider the
Intel Xeon D-1527

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Much lower typical power consumption 28.44W vs 71.5W 2.5x lower typical power consumption
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
Much lower annual home energy cost 8.43 $/year vs 21.2 $/year 2.5x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 77.09 $/year 2.5x lower annual commercial energy cost
Newer Oct, 2015 vs Apr, 2014 Release date over 1 years later
Supports more RAM 131,072 MB vs 32,768 MB Supports 4x more RAM
Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Much higher clock speed 4 GHz vs 2.2 GHz More than 80% higher clock speed
Much higher turbo clock speed 4.4 GHz vs 2.7 GHz Around 65% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better overclocked clock speed (Air) 4.63 GHz vs 2.2 GHz More than 2x better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.8 GHz vs 2.2 GHz Around 2.2x better overclocked clock speed (Water)

Features Key features of the Xeon D-1527  vs Core i7 4790K 

clock speed

Xeon D-1527
2.2 GHz

turbo clock speed

Xeon D-1527
2.7 GHz
Core i7 4790K
4.4 GHz

overclocked clock speed (air)

Xeon D-1527
2.2 GHz
Core i7 4790K
4.63 GHz

overclocked clock speed (water)

Xeon D-1527
2.2 GHz
Core i7 4790K
4.8 GHz

Specifications Full list of technical specs

summary

Xeon D-1527  vs
Core i7 4790K 
Clock speed 2.2 GHz 4 GHz
Turbo clock speed 2.7 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
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 35W 88W
Annual home energy cost 8.43 $/year 21.2 $/year
Annual commercial energy cost 30.66 $/year 77.09 $/year
Typical power consumption 28.44W 71.5W

bus

Architecture FSB DMI 2.0
Number of links 1 0

details

Xeon D-1527  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 2.2 GHz 4.63 GHz
Overclocked clock speed (Water) 2.2 GHz 4.8 GHz
Overclocked clock speed (Air) 2.2 GHz 4.63 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4600
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 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 131,072 MB 32,768 MB
Intel Xeon D-1527
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Intel Core i7 4790K
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