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Differences What are the advantages of each

Front view of Intel Xeon E3-1505M v5

Reasons to consider the
Intel Xeon E3-1505M v5

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Much lower typical power consumption 36.56W vs 73.94W 2x lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better performance per watt 5.41 pt/W vs 3.49 pt/W Around 55% better performance per watt
Much lower annual home energy cost 10.84 $/year vs 21.92 $/year 2x lower annual home energy cost
Much lower annual commercial energy cost 39.42 $/year vs 79.72 $/year 2x lower annual commercial energy cost
Front view of Intel Core i7 6700K

Reasons to consider the
Intel Core i7 6700K

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Much better 3DMark06 CPU score 80.5 vs 69.1 More than 15% better 3DMark06 CPU score
Significantly higher clock speed 4 GHz vs 2.8 GHz Around 45% higher clock speed
Higher turbo clock speed 4.2 GHz vs 3.7 GHz Around 15% higher turbo clock speed
Better turbo clock speed 1,150 MHz vs 1,050 MHz Around 10% better turbo clock speed
Significantly better performance per dollar 0.91 pt/$ vs 0.56 pt/$ More than 60% better performance per dollar
Significantly better overclocked clock speed (Air) 4.61 GHz vs 3.55 GHz More than 30% better overclocked clock speed (Air)
Better PassMark (Single core) score 2,349 vs 1,909 Around 25% better PassMark (Single core) score
Better PassMark score 11,109 vs 8,932 Around 25% better PassMark score
Better CompuBench 1.5 video composition score 13.68 fps vs 10.94 fps More than 25% better CompuBench 1.5 video composition score
Much better overclocked clock speed (Water) 4.77 GHz vs 3.3 GHz Around 45% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E3-1505M v5 vs Core i7 6700K

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Xeon E3-1505M v5
25.43 mHash/s
Core i7 6700K
35.02 mHash/s

CompuBench 1.5 (Face detection)

Xeon E3-1505M v5
22.85 mPixels/s
Core i7 6700K
26.72 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Xeon E3-1505M v5
1.66 fps
Core i7 6700K
1.82 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E3-1505M v5
4,730 MB/s
Core i7 6700K
6,010 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1505M v5  vs
Core i7 6700K 
Clock speed 2.8 GHz 4 GHz
Turbo clock speed 3.7 GHz 4.2 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
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 45W 91W
Annual home energy cost 10.84 $/year 21.92 $/year
Annual commercial energy cost 39.42 $/year 79.72 $/year
Performance per watt 5.41 pt/W 3.49 pt/W
Typical power consumption 36.56W 73.94W

bus

Architecture FSB FSB
Number of links 1 0
Transfer rate 8,000 MT/s 8,000 MT/s

details

Xeon E3-1505M v5  vs
Core i7 6700K 
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 14 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.55 GHz 4.61 GHz
Overclocked clock speed (Water) 3.3 GHz 4.77 GHz
Overclocked clock speed (Air) 3.55 GHz 4.61 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics P530 Intel® HD Graphics 530
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,050 MHz 1,150 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 65,536 MB 65,536 MB
Intel Xeon E3-1505M v5
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Intel Core i7 6700K
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