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Differences What are the advantages of each

Front view of Intel Xeon E3-1286 v3

Reasons to consider the
Intel Xeon E3-1286 v3

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better turbo clock speed 1,300 MHz vs 1,250 MHz Around 5% better turbo clock speed
Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Higher turbo clock speed 4.4 GHz vs 3.9 GHz Around 15% higher turbo clock speed
Higher clock speed 4 GHz vs 3.7 GHz Around 10% higher clock speed
Much better performance per watt 11.42 pt/W vs 3.71 pt/W More than 3x better performance per watt
Better PassMark (Single core) score 2,530 vs 2,144 Around 20% better PassMark (Single core) score
Better PassMark score 11,194 vs 9,388 Around 20% better PassMark score

Benchmarks Real world tests of Xeon E3-1286 v3 vs Core i7 4790K

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1286 v3  vs
Core i7 4790K 
Clock speed 3.7 GHz 4 GHz
Turbo clock speed 3.9 GHz 4.4 GHz
Cores Quad core Quad 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
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 25,600 MB/s

details

Xeon E3-1286 v3  vs
Core i7 4790K 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics P4700 Intel® HD Graphics 4600
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,300 MHz 1,250 MHz

power consumption

TDP 84W 88W
Annual home energy cost 20.24 $/year 21.2 $/year
Annual commercial energy cost 73.58 $/year 77.09 $/year
Performance per watt 3.71 pt/W 11.42 pt/W
Typical power consumption 68.25W 71.5W

bus

Architecture DMI DMI 2.0
Number of links 0 0
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Xeon E3-1286 v3
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Intel Core i7 4790K
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