Dolphin Quantum Pro
$1799
$1599
Save $200
2 years manufacturer warranty
Dolphin Quantum Pro vs Dolphin Nautilus EON 120D
A side-by-side comparison of the Dolphin Quantum Pro and Dolphin Nautilus EON 120D — price, filtration, cleaning coverage, brushes and warranty — to help you pick the right Dolphin robotic pool cleaner.
Dolphin Nautilus EON 120D
$1199
1 year manufacturer warranty
| Feature | Quantum Pro | Nautilus EON 120D |
|---|---|---|
| Overview | ||
| Price | $1799$1599 | $1199 |
| Lineup | Max-Series™ / ProLine™ | Nautilus™ (cordless) |
| Best for | Large pools needing waterline | Longest cordless runtime |
| Pool size | Up to 50 ft | Up to 50 ft |
| Cleaning coverage | Floor + Walls + Waterline + Steps | Floor + Walls + Waterline + Steps |
| Cleaning cycle | 2.5 hours | Up to 4.5 hours per charge |
| Suction | 4,000 GPH | Battery powered |
| Scrubbing brushes | 2 (HyperBrush™) | 1 (active) |
| Filtration | XXL MaxBin™ + NanoFilters™ | Multi-layer top-load cartridge |
| Standout features | ||
| Waterline cleaning | Included | Included |
| NanoFilters™ included | Included | No |
| MaxBin™ filtration | Included | No |
| HyperBrush™ scrubbing | Included | No |
| App control | Included | Included |
| Anti-tangle swivel | Included | No |
| Corded power | Included | No |
| Navigation & ownership | ||
| Navigation | SmartNav 2.0™ | Smart Navigation with edge return |
| Weekly scheduling | Weekly timer | Scheduling in the app |
| App control | myDolphin Plus (Wi-Fi and Bluetooth) | MaytronicsOne (Wi-Fi) |
| Cable | 55 ft with anti-tangle swivel | None (cordless) |
| What is included |
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|
| Warranty | 2 years | 1 year |
Dolphin Quantum Pro vs Dolphin Nautilus EON 120D: how they compare
The Dolphin Quantum Pro is part of the Max-Series™ / ProLine™ lineup — app-connected step and floor-to-waterline cleaning with an XXL MaxBin™ and NanoFilters™. It cleans pools up to 50 ft with floor + walls + waterline + steps coverage and XXL MaxBin™ + NanoFilters™ filtration, backed by a 2-year warranty.
The Dolphin Nautilus EON 120D is part of the Nautilus™ (cordless) lineup — the step-up cordless Nautilus: up to 4.5 hours per charge, five cleaning modes and automatic edge return. It handles pools up to 50 ft with floor + walls + waterline + steps coverage and Multi-layer top-load cartridge filtration, backed by a 1-year warranty.
Our verdict: the Dolphin Quantum Pro wins
The Dolphin Quantum Pro is our pick. As part of the Max-Series™ / ProLine™ — one of our two top-recommended lineups — it steps ahead of the Dolphin Nautilus EON 120D with floor + walls + waterline + steps coverage, XXL MaxBin™ + NanoFilters™ filtration and a 2-year warranty.
The Dolphin Nautilus EON 120D is the cheaper option at $1199, but the step up to the Dolphin Quantum Pro buys a meaningfully better clean and longer coverage that's well worth it.
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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