Dreame D30 Ultra CE
A lower-cost version of the D30 Ultra for hard-floor homes that want a washing dock on a budget.
Amazon $599.99$599.99
The Dreame D30 Ultra CE is the better robot vacuum overall, rated 4.3 to 4.1. The Dreame D30 Ultra CE leads on mopping.
Prices were last checked November 3, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Roborock S8 Max Ultra
For buyers who can plumb in the dock and want a hands-off mopping robot that never needs its water tanks touched.
Amazon $599.99$599.99
Which should you buy?
- Choose the Dreame D30 Ultra CE for mopping (Dual spinning pads, lifts 10.5 mm, extends to edges vs Vibrating pad, lifts 20 mm, extends to edges).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.
| Factor weight | Dreame D30 Ultra CE | Roborock S8 Max Ultra |
|---|---|---|
| Overall rating | 4.3/5 | 4.1/5 |
| Cleaning 30% | 73 not yet tested; estimated from 12 tested Dreame robots and the median of the 70 tested robots | 63 not yet tested; estimated from 19 tested Roborock robots and the median of the 70 tested robots |
| Value 25% | 67 $600 | 67 $600 |
| Dock 20% | 100 Self-empties the bin, washes the mop | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent, optional water hookup |
| Navigation 15% | 85 LiDAR + 3D light | 85 LiDAR + 3D light |
| Mopping 10% | 76 Dual spinning pads, lifts 10.5 mm, extends to edges | 62 Vibrating pad, lifts 20 mm, extends to edges |
Specifications
| Dreame D30 Ultra CE | Roborock S8 Max Ultra | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 25,000 Pa | 8,000 Pa |
| Main brush | Rubber brush (TriCut brush sold separately) | DuoRoller Riser dual rubber brushes |
| Dustbin | 300 mL | - |
| Extending side brush | - | Yes |
| Mopping | ||
| Mop | Dual spinning pads, lifts 10.5 mm, extends to edges | Vibrating pad, lifts 20 mm, extends to edges |
| Mop lift | 10.5 mm | 20 mm |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 3.2 L | - |
| Washes mop | Yes | Yes |
| Hot-water wash | - | Yes |
| Hot-air drying | - | Yes |
| Detergent dosing | - | Yes |
| Water hookup option | - | Yes |
| Clean water tank | 4.5 L | - |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + 3D light |
| Obstacle avoidance | Line laser (3DAdapt) | 3D structured light (Reactive 3D) |
| Climbs thresholds | 20 mm | - |
| Voice assistants | Alexa, Siri, Google Assistant | Alexa, Google Assistant, Siri Shortcuts |
| Build | ||
| Height | 3.8 in (97 mm) | 3.8 in (97 mm) |
| Retracting LiDAR | No | No |
| Battery | 5,200 mAh | 5,200 mAh |
| Run time | Up to 3 h 50 min | - |
| Weight | 8.4 lb (3.8 kg) | - |
| Warranty | 3 years | - |
| Released | 2026-05 | 2024-04 |