Dreame Z1
#3 in CordlessFull review
A strong-value cordless robot for small-to-mid-size pools whose owners want long runtime and real navigation for about $300. Fine silt needs a robot with a finer filter.
Dreame $299$299
The Dreame Z1 is the better robotic pool cleaner overall, rated 4.3 to 4.1. The Dreame Z1 leads on value and navigation. The Dolphin EON 120d wins on warranty. The Dreame Z1 costs $950 less ($299 vs $1,249).
Dolphin EON 120d
#12 in CordlessFull review
The dealer version of the cordless EON 120d, worth the small premium for its three-year warranty.
Leslie's $1,349 ePoolSupply $1,249$1,249
Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Dreame Z1 for value ($299 vs $1,249) and navigation (Ultrasonic + 3D structured light vs Smart mapping).
- Choose the Dolphin EON 120d for warranty (3-year warranty vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every cordless robotic pool cleaner; a clear win is highlighted. How we rank explains each one.
| Factor weight | Dreame Z1 | Dolphin EON 120d |
|---|---|---|
| Overall rating | 4.3/5 | 4.1/5 |
| Value 25% | 92 $299 | 30 $1,249 |
| Cleaning 25% | 85 Floor, walls and waterline | 85 Floor, walls and waterline |
| Navigation 15% | 85 Ultrasonic + 3D structured light | 65 Smart mapping |
| Warranty 15% | 50 2-year warranty | 100 3-year warranty |
| Pool size 10% | 100 pools up to 1,950 sq ft | 100 pools up to 50 ft long (about 1,250 sq ft) |
| Features 10% | 50 too few features published (neutral score used) | 100 2 of 2 |
Specifications
| Dreame Z1 | Dolphin EON 120d | |
|---|---|---|
| Pool | ||
| Pool size (rated) | Up to 1,950 sq ft (181 m²) | Up to 50 ft long |
| Pool types | - | In-ground and above-ground |
| Surfaces | - | Liner, gunnite, stainless steel, ceramic, mosaic, glass, fiberglass, slippery mosaic or tiles |
| Cleaning | ||
| Cleans | Floor, walls and waterline | Floor, walls and waterline |
| Surface skimming | No | No |
| Filter | 180 µm filter basket | BackWash self-cleaning filter (DebrisLock™ ultra-fine), top access |
| Water flow | 8,000 gal/h | - |
| Power | ||
| Power | Cordless (battery) | Cordless (battery) |
| Battery | 194.4 Wh, 9,600 mAh | 247 Wh |
| Run time | Up to 5 h | - |
| Charge time | 6 h | - |
| Charging | Magnetic connector | - |
| Navigation & app | ||
| Navigation | Ultrasonic + 3D structured light | Smart mapping |
| App | - | Yes |
| Connectivity | - | Wi-Fi, Bluetooth |
| Scheduling | - | Yes |
| Build | ||
| Weight | 16.6 lb (7.5 kg) | 24.3 lb (11 kg) |
| Warranty | 2 years | 3 years |