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Differences What are the advantages of each

Front view of Intel Xeon W3690

Reasons to consider the
Intel Xeon W3690

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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More l3 cache 12 MB vs 8 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More cores 6 vs 4 2 more cores; run more applications at once
Significantly better performance per watt 6.51 pt/W vs 3.49 pt/W More than 85% better performance per watt
More threads 12 vs 8 4 more threads
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Higher Maximum operating temperature 67.9 °C vs 64 °C More than 5% higher Maximum operating temperature
Front view of Intel Core i7 6700K

Reasons to consider the
Intel Core i7 6700K

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Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 4 GHz vs 3.46 GHz More than 15% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher turbo clock speed 4.2 GHz vs 3.73 GHz Around 15% higher turbo clock speed
Much lower typical power consumption 73.94W vs 105.63W 30% lower typical power consumption
Significantly better PassMark (Single core) score 2,349 vs 1,560 More than 50% better PassMark (Single core) score
Newer Jul, 2015 vs Feb, 2011 Release date over 4 years later
Better overclocked clock speed (Air) 4.61 GHz vs 4.09 GHz Around 15% better overclocked clock speed (Air)
Better PassMark score 11,109 vs 9,406 Around 20% better PassMark score
Much lower annual home energy cost 21.92 $/year vs 31.32 $/year 30% lower annual home energy cost
Much lower annual commercial energy cost 79.72 $/year vs 113.88 $/year More than 30% lower annual commercial energy cost
Slightly better performance per dollar 0.91 pt/$ vs 0.85 pt/$ More than 5% better performance per dollar
Better overclocked clock speed (Water) 4.77 GHz vs 4.48 GHz More than 5% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon W3690 vs Core i7 6700K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon W3690
14,746
Core i7 6700K
17,583

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon W3690
1,800,000 MB/s
Core i7 6700K
6,010 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon W3690
14,580
Core i7 6700K
17,169

GeekBench

Xeon W3690
16,250
Core i7 6700K
17,169

PassMark Data courtesy Passmark

Xeon W3690
9,406
Core i7 6700K
11,109

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon W3690  vs
Core i7 6700K 
Clock speed 3.46 GHz 4 GHz
Turbo clock speed 3.73 GHz 4.2 GHz
Cores Hexa 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 130W 91W
Annual home energy cost 31.32 $/year 21.92 $/year
Annual commercial energy cost 113.88 $/year 79.72 $/year
Performance per watt 6.51 pt/W 3.49 pt/W
Typical power consumption 105.63W 73.94W

bus

Architecture QPI FSB
Number of links 1 0
Transfer rate 6,400 MT/s 8,000 MT/s

details

Xeon W3690  vs
Core i7 6700K 
Architecture x86-64 x86-64
Threads 12 8
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 14 nm
Max CPUs 1 1
Operating temperature Unknown - 67.9°C Unknown - 64°C

overclocking

Overclocked clock speed 4.09 GHz 4.61 GHz
Overclocked clock speed (Water) 4.48 GHz 4.77 GHz
Overclocked clock speed (Air) 4.09 GHz 4.61 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 530
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,150 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 31,999.98 MB/s 25,600 MB/s
Maximum memory size 24,576 MB 65,536 MB
Intel Xeon W3690
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Intel Core i7 6700K
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