Dolphin Premier vs Sigma Face to Face Comparison

Comparison Table

Good choice
Dolphin Premier Robotic Pool...
Best choice
Dolphin Sigma Robotic Pool Cleaner...
Dimensions LxWxH
23.58 x 19.84 x 14.02 inches
23 x 19.5 x 14 Inches
Weight
36.3 lbs.
35 lbs.
Suction power
75 gallons per minute/ 4500 gallons per hour
75 gallons per minute/ 4500 gallons per hour
Hose length
60 ft
60 ft
Pool Type
In ground
In ground
Pool Sizes
Up to 50 feet
Up to 50 feet
Filtration System
Four filter options: bottom-load fine cartridge filters, ultra-fine cartridge filters, an oversized fine filter bag, and disposable bags
Top-loading standard cartridge filters and fine filter
Type of filter installation
Bottom load
Top load
Navigation
3 navigation programs – every day, every other day, or every third day
3 navigation programs – every day, every other day, or every third day
Type of surfaces
All surfaces (concrete, plaster, vinyl, and fiberglass)
All surfaces (concrete, plaster, vinyl, and fiberglass)
Vertical surface cleaning
Waterline scrubbing
Drive System
Twin DC Motors 24 volts drive
Triple DC Motors 24 volts drive
Control
Power Supply panel with buttons
Power Supply panel with buttons
Cleaning Cycle
Up to 3 hours with Smart Navigation 2.0
Up to 2.5 hours with Smart Navigation 3.0
Cable
60ft Swivel Tangle-free Cable
60ft anti-tangling swivel cable
Additional feature
Dual Scrubbing Brushes
Dual scrubbing brushes, gyroscope technology
Good choice
Dolphin Premier Robotic Pool...
Dimensions LxWxH
23.58 x 19.84 x 14.02 inches
Weight
36.3 lbs.
Suction power
75 gallons per minute/ 4500 gallons per hour
Hose length
60 ft
Pool Type
In ground
Pool Sizes
Up to 50 feet
Filtration System
Four filter options: bottom-load fine cartridge filters, ultra-fine cartridge filters, an oversized fine filter bag, and disposable bags
Type of filter installation
Bottom load
Navigation
3 navigation programs – every day, every other day, or every third day
Type of surfaces
All surfaces (concrete, plaster, vinyl, and fiberglass)
Vertical surface cleaning
Waterline scrubbing
Drive System
Twin DC Motors 24 volts drive
Control
Power Supply panel with buttons
Cleaning Cycle
Up to 3 hours with Smart Navigation 2.0
Cable
60ft Swivel Tangle-free Cable
Additional feature
Dual Scrubbing Brushes
Best choice
Dolphin Sigma Robotic Pool Cleaner...
Dimensions LxWxH
23 x 19.5 x 14 Inches
Weight
35 lbs.
Suction power
75 gallons per minute/ 4500 gallons per hour
Hose length
60 ft
Pool Type
In ground
Pool Sizes
Up to 50 feet
Filtration System
Top-loading standard cartridge filters and fine filter
Type of filter installation
Top load
Navigation
3 navigation programs – every day, every other day, or every third day
Type of surfaces
All surfaces (concrete, plaster, vinyl, and fiberglass)
Vertical surface cleaning
Waterline scrubbing
Drive System
Triple DC Motors 24 volts drive
Control
Power Supply panel with buttons
Cleaning Cycle
Up to 2.5 hours with Smart Navigation 3.0
Cable
60ft anti-tangling swivel cable
Additional feature
Dual scrubbing brushes, gyroscope technology

Main Difference Between the Models

These two pool robotic cleaners represent excellent quality machines with similar features, but some differences may help you choose from the two models.

  • The choice of filters in the standard package of Dolphin Premier is more vivid – 4 different filters in Dolphin Premier vs. two filters in Dolphin Sigma.
  • The access to the filters is different for the two models – Premier has bottom-load, and Sigma has top-load.
  • The Sigma drive is more potent as it has three DC motors while Premier only has two.
  • The duration of the cleaning cycle is different. Thanks to a more powerful drive, Dolphin Sigma finishes the cycle in two and a half hours vs. three hours for Dolphin Premier.
  • The Sigma pool cleaner is equipped with a gyroscope that improves the stability of a cleaner during vertical scrubbing.

DOLPHIN Premier

DOLPHIN Premier Robotic Pool Cleaner with Powerful Dual Scrubbing Brushes and Multiple Filter Options

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Pros
  • Premier has a plastic body to survive in water conditions smoothly
  • Dual stabilizers on the handle allow the cleaner to perform better cleaning, especially vertically on the waterline
  • Hypergrip dual trucks instead of wheels eliminate robotic slippery – new drive system
  • Larger motors than any other dolphin robot with 90% more energy efficiency than previous models of cleaner
  • Smart navigation processors 2.0 are installed to map the pool
  • Powerful scrubbing rubber brushers with one rotation per second for tough debris
  • It runs only on 180 W- 5 cents per hour to operate
  • 360 degrees swivel on the cable ensures no tangling
  • The extensive choice of filters inside the package – 4 different types

Cons
  • Premier is not a budget cleaner
  • No remote control inside the package or mobile application
  • Quite a heavy cleaner for lifting out from the pool
  • Bottom-load filter loading (this for sure depends on the owner’s preferences, but most of them prefer the top-load)
  • The regular cleaning cycle is three hours
  • No caddy in the package

DOLPHIN Sigma

DOLPHIN Sigma Robotic Pool Cleaner with Bluetooth and Massive Top-Load Cartridge Filters

View on Amazon

Pros
  • Gyroscope sensors establish perfect pool orientation for horizontal and vertical cleaning
  • Two top-load extra-large filters to collect all debris
  • Improved smart navigation 3.0 for pool mapping
  • Powerful triple DC motors for efficient suction
  • The cleaning cycle is two and half hours
  • Swivel on the cable ensures no tangling
  • Rubber trucks avoid any slippery
  • Energy-efficient motors save a lot of electricity
  • Mobile application for remote control

Cons
  • A Sigma Pool Cleaner is a costly cleaner
  • A caddy is not included in the standard supply
  • The weight is significant for easier moving the pool cleaner

Design and Dimensions

DOLPHIN Premier

DOLPHIN Premier design

  • 23.58 x 19.84 x 14.02 inches
  • 36.3 lbs.
  • Black/blue/grey

DOLPHIN Sigma

DOLPHIN Sigma design

  • 23 x 19.5 x 14 Inches
  • 35 lbs.
  • White/blue
verdict

Two cleaners are almost equal in weight in dimensions. The only difference is the color which might be necessary for owners searching for a perfect fit for the pool’s color.

Motors

DOLPHIN Premier

DOLPHIN Premier Motors

  • Twin DC Motors
  • 24 volts drive

DOLPHIN Sigma

DOLPHIN Sigma motors

  • Triple DC Motors
  • 24 volts drive
verdict

The Sigma model is more powerful based on an additional motor, creating immense suction power and better stability on vertical surfaces. Even though the Premier model is a good choice compared to another model on the market.

Navigation

DOLPHIN Premier

DOLPHIN Premier Navigation
It can clean all surfaces – horizontal and vertical up to the waterline. In addition, Smart Navigation 2.0 provides a cleaner way to avoid obstacles.

DOLPHIN Sigma

DOLPHIN Sigma navigation
As a Premier model, it can clean floors, walls, waterlines, stairs with improved Smart Navigation 3.0 processor.

verdict

The Sigma model has improved Smart Navigation 3.0, helps orient and learn for cleaning, and performs better with each cleaning cycle.

Filtration

DOLPHIN Premier

DOLPHIN Premier Filtration
It has four filter options: bottom-load fine cartridge filters, ultra-fine cartridge filters, an oversized fine filter bag, and disposable bags.

DOLPHIN Sigma

DOLPHIN Sigma Filtration
This model has fewer filter options: only top-loading fine cartridge filters and standard filters.

verdict

The Premier model has a great choice of filters for every owner, but if you do not prefer to exchange filters for different cleaning cycles, the choice of two filters in the Sigma model is just fine.

The other essential features are the same for both models and shows the latest achievements for robotic cleaners:

  • Rubber truck tires for moving around and up the walls
  • Rubber dual scrubbing brushes with powerful drives remove all dirt from the pool
  • The swivel cord prevents tangling and stoppage of not sufficient length of the cable
  • The number of controlling programs – each day, every second or third day
  • The 90% improved energy efficiency compared to old models
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