Home » Compare » Shark or Dyson – Which brand is better?

Shark or Dyson – Which brand is better?

Products recommended in this post contain affiliate links. If you buy something through our posts, we may receive a commission at no extra charge to you. Prices and inventory are accurate as of time of publication.


Both Shark and Dyson are strong brand names in vacuum industry. It is very hard to decide between Shark or Dyson when choosing a new vacuum. While Dyson vac is super powerful, lighter, expensive, Shark vacuum is more affordable, full features and constantly improved every year.

In this article, we decide to compare 2 most popular cordless stick series of Shark and Dyson: Shark Ionflex Duoclean vs Dyson V8

Shark Ionflex Duoclean cordless vacuum series is Shark most recent cordless stick vacuum which is quite similar to Dyson cordless V8 stick vacuum in design and performance.

Let’s compare the two most popular, powerful models:

  • Shark Ion Duoclean 2x model IF251
  • Dyson V8 HEPA cordless vacuum to see the pros and cons between them.

Cordless Stick Vacuum

Shark Ion Duoclean 2x model IF251

Design and Performance

Dyson V8 HEPA

Compare Shark Vs Dyson – Cleaning Performance

  • Suction Power

    ​Shark Ion Duoclean 2x model IF251 uses 2 Li-ion battery and a motor of 10 amps rating to give powerful suction comparable to a full-size upright vacuum cleaner.

    Dyson V8 HEPA use a single Ion lithium battery with a strongest motor compared to all Dyson cordless model. Measured in reality by a lot of testers, DysonV8 HEPA gives a generous suction power more than 115 air watts (which is much more than what a cordless vacuum stick should have).

    Although there is no direct method to compare these figures, Shark claimed that the Shark Ion Duoclean 2X model gives more suction power than Dyson V8 on their website when using 2 models in extended mode when they test by ASTM F558 standard and measured at the hand vacuum.

    On the other hands, when using max suction mode, Dyson V8 is the strongest cordless vacuum on the market so far (2017).

    Winner of suction power
    • In extended mode: Shark Ionflex 2X
    • In max mode: Dyson V8

  • Noise Level

    Noise level is one of the biggest concern when using a cordless stick vacuum cleaner. Measured by a lot of testers, Dyson V8 produces the quietest sound when running.

    Specifically, when running in normal mode, Dyson V8 is very quiet (only about 67 dB) and when using in max mode, it is about 76 dB. Shark Ionflex 2X produces a higher noise which is about 100 dB.

    Winner of noise level: Dyson V8
  • Dust Bin Capacity

    ​Shark Ionflex 2X has a 0.38 dry quarts dust bin, Dyson V8 has a dust cup of 0.138 Gallon (which is about 0.55 dry quarts). Dyson V8 dust cup size is bigger than Shark Ionflex 2X. Besides, Dyson V8 dust bin has an auto-released ejector allow you to remove the dust and dirt without any mess which is very ergonomic.

    Winner of dust cup size and design: Dyson V8

  • Filtration

    ​Shark Ionlfex 2X uses washable foam filters to filter the dust. Dyson V8 use HEPA filter which is much higher in filtration standard. Dyson V8 filter is certified as friendly for asthma users and it is the only cordless model has such certification so far (2017). In case you have allgergy, Dyson V8 HEPA will protect your health better than any model

    Winner of fitration: Dyson V8

  • Weight

    ​Dyson V8 is about 5.6 lbs and Shark Ionflex 2X is 8.7 lbs therefore some folks might feel Shark Ionflex is a bit heavy if they have used Dyson model before. However, if it is the first time you try a cordless stick vacuum Shark Ionflex 2X is still very lightweight and maneuverable.

  • Full Features

    You can detach the unit to use as a handheld, or you can clean the ceiling with the extended stick for further reach. The unit has all of the require additional tools such as a crevice, a long tube, a dusting brush, wall mounting kits and more.

  • Warranty

    ​Both models have 5 years limited warranty ( Shark battery is 2 years limited)

  • Special Features

    Dyson V8 special features

    This model is Dyson most advanced cordless stick which has strongest suction power, quietest when running, longest battery running time (40 minutes), HEPA filtration to capture allergen.

    It has a motorized tool for you to remove pet hair and highly soiled area, along with a crevice tool and a combination tool for dedicate cleaning tasks.

    Moreover it has a soft-roller head for picking up the hard and big particles. The model is very lightweight and easy to control.

    Shark Ionlfex 2X special features

    Shark Ionflex 2X has its advantages when using 2 removable batteries for extended use time (Dyson battery is not removable).

    The specialties of this cordless stick are all about the brush head design (combination of bristle and soft roller for maximal dust and pet hair pick up efficiency), flexible stick that can bend 180 degree for cleaning under furniture and storage, freestanding on the floor (Dyson V8 has a docking station).

    Besides, this model has a lot of accessories ( Duster Crevice Tool, Pet Multi-Tool, Double Battery, Single Charger, Single Cradle, Anti-Allergen Dust Brush)

  • Price

    Shark Ionflex 2X is cheaper than Dyson V8 HEPA. You can check for the best price and possible discount of Shark Ionflex 2X and Dyson V8 HEPA below.

    Winner of price : Shark Ionflex 2X



You may love to read

Top Editor's Choice on Dyson Vacuum

SaleBestseller No. 1
Shark HV301 Rocket Ultra-Light Corded Bagless Vacuum for Carpet and Hard...
Never loses suction or power.Specific uses:Stairs,Furnitures.Amperage : 4.2 amps; Cleans carpets and bare floors
SaleBestseller No. 2
Shark IX141 Pet Cordless Stick Vacuum with XL Dust Cup, LED Headlights,...
REMOVABLE HAND VAC: Transforms to a hand vac for lightweight above-floor cleaning.; XL DUST CUP: Removable dust cup with CleanTouch Dirt Ejector.
SaleBestseller No. 6
Shark NV352 Navigator Lift Away Upright Vacuum, Hepa Filter, Anti-Allergen...
5-year limited warranty.; Made in USA or Imported.; WHAT'S INCLUDED: Shark Navigator Upright Vacuum, Wide Upholstery Tool & 12" Crevice Tool.
Bestseller No. 9
Eureka Lightweight Powerful Upright Vacuum Cleaner for Carpet and Hard...
Lightweight: PowerSpeed does all the work while still remaining lightweight.; Traps 99.9% of dust, dander and allergens