Roborock QV 35A
For budget buyers who want a self-emptying, mop-washing dock and obstacle avoidance at the lowest price in Roborock’s Qrevo range.
Amazon $449.99$449.99
The Roborock QV 35A and the Roborock S8 Max Ultra are evenly matched, rated 4.1 and 4.1. The Roborock QV 35A leads on value and mopping. The Roborock QV 35A costs $150 less ($449.99 vs $599.99).
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
Prices were last checked October 26, 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 Roborock QV 35A for value ($450 vs $600) and mopping (Dual spinning pads, lifts 10 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 | Roborock QV 35A | Roborock S8 Max Ultra |
|---|---|---|
| Overall rating | 4.1/5 | 4.1/5 |
| Cleaning 30% | 63 not yet tested; estimated from 19 tested Roborock 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% | 85 $450 | 67 $600 |
| Dock 20% | 76 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 mm, extends to edges | 62 Vibrating pad, lifts 20 mm, extends to edges |
Specifications
| Roborock QV 35A | Roborock S8 Max Ultra | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 8,000 Pa | 8,000 Pa |
| Main brush | all-rubber floating main brush | DuoRoller Riser dual rubber brushes |
| Dustbin | 330 mL | - |
| Extending side brush | No | Yes |
| Mopping | ||
| Mop | Dual spinning pads, lifts 10 mm, extends to edges | Vibrating pad, lifts 20 mm, extends to edges |
| Mop lift | 10 mm | 20 mm |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| Water tank | 72 mL | - |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 2.7 L | - |
| Washes mop | Yes | Yes |
| Hot-water wash | No | Yes |
| Hot-air drying | No | Yes |
| Detergent dosing | - | Yes |
| Water hookup option | - | Yes |
| Clean water tank | 4 L | - |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + 3D light |
| Obstacle avoidance | Structured light (Reactive Tech) | 3D structured light (Reactive 3D) |
| Climbs thresholds | 20 mm | - |
| Matter | No | - |
| Voice assistants | Alexa, Google Assistant, Siri Shortcuts | 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 | - |
| Released | 2025-05 | 2024-04 |