Head-to-Head

Dolphin M550 vs Dolphin Proteus DX3

A side-by-side comparison of the Dolphin M550 and Dolphin Proteus DX3 — price, filtration, cleaning coverage, brushes and warranty — to help you pick the right Dolphin robotic pool cleaner.

Feature M550 Proteus DX3
Overview
Price MSRP $1999 MSRP $629
LineupM-Series™Proteus™
Best forSpecialty-retailer flagshipRetailer edition
Pool sizeUp to 50 ftUp to 33 ft
Cleaning coverageFloor + Walls + WaterlineFloor + Walls
Cleaning cycle2 hours2 hours
Suction5,000 GPH4,000 GPH
Scrubbing brushes2 (active)1 (active)
FiltrationFine + ultra-fine filter basketFine filter basket
Standout features
Waterline cleaning Included No
3-year warranty Included No
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 No
Corded power Included Included
Navigation & ownership
NavigationNot publishedCleverClean™
Weekly schedulingWeekly timerNo weekly timer
App controlmyDolphin™ Plus appNo app control
CableAnti-tangle swivel cableStandard cable (no swivel)
What is included
  • Fine + ultra-fine filter basket
  • Ultra-Fine Filter kit
  • App-connected power supply
  • Caddy
  • Fine filter basket
  • Power supply
Warranty3 years2 years
Cleaning coverage

Waterline cleaning

Why it matters

Dolphin M550 vs Dolphin Proteus DX3: how they compare

The Dolphin M550 is part of the M-Series™ lineup — a specialty-retailer flagship with myDolphin™ Plus app control and a caddy in the box. It cleans pools up to 50 ft with floor + walls + waterline coverage and Fine + ultra-fine filter basket filtration, backed by a 3-year warranty.

The Dolphin Proteus DX3 is part of the Proteus™ lineup — a retailer edition of the flagship robots with a 2-year warranty. It handles pools up to 33 ft with floor + walls coverage and Fine filter basket filtration, backed by a 2-year warranty.

Our verdict: the Dolphin M550 wins

Between these two, the Dolphin M550 is the stronger robot on paper — a specialty-retailer flagship with myDolphin™ Plus app control and a caddy in the box. It cleans with floor + walls + waterline coverage and Fine + ultra-fine filter basket 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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