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
The Roborock S8 Max Ultra is the better robot vacuum overall, rated 4.1 to 3.8. The Roborock S8 Max Ultra leads on value and mopping. The Roborock Saros 10 wins on navigation. The Roborock S8 Max Ultra costs $100 less ($599.99 vs $699.99).
Roborock Saros 10
For homes with low furniture and pets that want a slim, hands-off robot; buy it on discount, as its deep carpet cleaning trails cheaper Roborocks.
Amazon $699.99$699.99
Prices were last checked November 2, 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 S8 Max Ultra for value ($600 vs $700) and mopping (Vibrating pad, lifts 20 mm, extends to edges vs Vibrating pad, leaves its mop at the dock for carpet).
- Choose the Roborock Saros 10 for navigation (LiDAR + camera vs LiDAR + 3D light).
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 S8 Max Ultra | Roborock Saros 10 |
|---|---|---|
| Overall rating | 4.1/5 | 3.8/5 |
| Cleaning 30% | 63 not yet tested; estimated from 19 tested Roborock robots and the median of the 70 tested robots | 35 measured 71% of sand from carpet, 86% of pet hair, no hair tangled |
| Value 25% | 67 $600 | 58 $700 |
| Dock 20% | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent, optional water hookup | 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 | 100 LiDAR + camera |
| Mopping 10% | 62 Vibrating pad, lifts 20 mm, extends to edges | 46 Vibrating pad, leaves its mop at the dock for carpet |
Independent tests
Roborock S8 Max Ultra
No independent test published yet.
Roborock Saros 10
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 71% | 86% | 0 | 1,128 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Specifications
| Roborock S8 Max Ultra | Roborock Saros 10 | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 8,000 Pa | 22,000 Pa |
| Main brush | DuoRoller Riser dual rubber brushes | DuoDivide anti-tangle brush |
| Dustbin | - | 270 mL |
| Extending side brush | Yes | Yes |
| Mopping | ||
| Mop | Vibrating pad, lifts 20 mm, extends to edges | Vibrating pad, leaves its mop at the dock for carpet |
| Mop lift | 20 mm | 8 mm |
| Leaves mop at dock | No | Yes |
| Extending mop | Yes | No |
| Water tank | - | 70 mL |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | Yes |
| Hot-air drying | Yes | Yes |
| Detergent dosing | Yes | Yes |
| Water hookup option | Yes | Yes |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + camera |
| Obstacle avoidance | 3D structured light (Reactive 3D) | Structured light and RGB camera, with side-facing VertiBeam structured light |
| Climbs thresholds | - | 40 mm |
| Matter | - | Yes |
| Voice assistants | Alexa, Google Assistant, Siri Shortcuts | Alexa, Google Assistant, Siri Shortcuts |
| Build | ||
| Height | 3.8 in (97 mm) | 3.1 in (79.8 mm) |
| Retracting LiDAR | No | Yes |
| Battery | 5,200 mAh | 6,400 mAh |
| Run time | - | Up to 3 h 40 min |
| Warranty | - | 1 year |
| Released | 2024-04 | 2025-02 |