Head-to-Head

Dolphin Oasis Z5i vs Dolphin W 20

A side-by-side comparison of the Dolphin Oasis Z5i and Dolphin W 20 — price, filtration, cleaning coverage, brushes and warranty — to help you pick the right Dolphin robotic pool cleaner.

Feature Oasis Z5i W 20
Overview
Price Not published MSRP $1399
LineupOasis™Wave™ Commercial
Best forRetailer editionCommercial pools
Pool sizeUp to 50 ftUp to 65 ft
Cleaning coverageFloor + Walls + WaterlineFloor only
Cleaning cycle2.5 hours3 hours
Suction4,500 GPH4,500 GPH
Scrubbing brushes22
FiltrationFine filter basketFilter bag
Standout features
Waterline cleaning Included No
3-year warranty Included Included
NanoFilters™ included No No
MultiMedia™ filtration No No
Media-Alert™ No No
Oversized leaf bag No No
MaxBin™ filtration No No
HyperBrush™ scrubbing No No
App control Included No
Anti-tangle swivel Included Included
Corded power Included Included
Navigation & ownership
NavigationCleverClean™CleverClean™
Weekly schedulingWeekly timerNo weekly timer
App controlmyDolphin™ Plus appNo app control
CableAnti-tangle swivel cableAnti-tangle swivel cable
What is included
  • Fine filter basket
  • Ultra-Fine Filter kit
  • App-connected power supply
  • Filter bag
  • Power supply
  • Remote control
  • Caddy
Warranty3 years3 years
Cleaning coverage

Waterline cleaning

Why it matters

Dolphin Oasis Z5i vs Dolphin W 20: how they compare

The Dolphin Oasis Z5i is part of the Oasis™ lineup — a retailer edition of the flagship robots with myDolphin™ Plus app control and a 3-year warranty. It cleans pools up to 50 ft with floor + walls + waterline coverage and Fine filter basket filtration, backed by a 3-year warranty.

The Dolphin W 20 is part of the Wave™ Commercial lineup — a commercial Wave sold through Maytronics' commercial dealers with a caddy in the box and a 3-year warranty. It handles pools up to 65 ft with floor only coverage and Filter bag filtration, backed by a 3-year warranty.

Our verdict: the Dolphin W 20 wins

Between these two, the Dolphin W 20 is the stronger robot on paper — a commercial Wave sold through Maytronics' commercial dealers with a caddy in the box and a 3-year warranty. It cleans with floor only coverage and Filter bag filtration, backed by a 3-year warranty.

Our top recommendation: neither of these is in our two best lineups. For the best clean in this price range, step up to the Dolphin Quantum Pro from our ProLine™ — our top pick, highlighted at the top of this comparison.

Not sure yet? We're here to help

Every Dolphin Max-Series™ and ProLine™ robotic pool cleaner ships free and is backed by a full manufacturer warranty — explore our top-recommended robots and find the right fit for your pool.

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