Roborock Saros 20 Sonic
For homes that want the Saros 20’s slim build and threshold climbing with a retractable LiDAR and a sonic mop.
AmazonThe Roborock Saros 20 Sonic and the Eufy Omni C30 are evenly matched, rated 4.2 and 4.2. The Roborock Saros 20 Sonic leads on navigation. The Eufy Omni C30 wins on mopping.
Eufy Omni C30
A mid-price self-cleaning robot with spinning mop pads for homes that want hands-off dust storage and Matter control. Homes with lots of baseboard to mop should look at the C30 Edge.
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 Saros 20 Sonic for navigation (LiDAR + camera vs LiDAR + 3D light).
- Choose the Eufy Omni C30 for mopping (Dual spinning pads, lifts 12 mm vs Vibrating pad, leaves its mop at the dock for carpet).
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 Saros 20 Sonic | Eufy Omni C30 |
|---|---|---|
| Overall rating | 4.2/5 | 4.2/5 |
| Cleaning 30% | 82 measured 92% of sand from carpet, 77.8% of pet hair, no hair tangled | 68 not yet tested; estimated from 9 tested Eufy robots and the median of the 70 tested robots |
| Value 25% | 50 no current price (neutral score used) | 67 $600 |
| 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 |
| Navigation 15% | 100 LiDAR + camera | 85 LiDAR + 3D light |
| Mopping 10% | 46 Vibrating pad, leaves its mop at the dock for carpet | 63 Dual spinning pads, lifts 12 mm |
Independent tests
Roborock Saros 20 Sonic
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 92% | 77.8% | 0 | 1,225 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). |
Eufy Omni C30
No independent test published yet.
Specifications
| Roborock Saros 20 Sonic | Eufy Omni C30 | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 36,000 Pa | 35,000 Pa |
| Main brush | DuoDivide anti-tangle brush | Anti-tangle floating rolling brush |
| Dustbin | 228 mL | - |
| Extending side brush | Yes | - |
| Mopping | ||
| Mop | Vibrating pad, leaves its mop at the dock for carpet | Dual spinning pads, lifts 12 mm |
| Mop lift | 8 mm | 12 mm |
| Leaves mop at dock | Yes | - |
| Extending mop | No | No |
| Water tank | 70 mL | - |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | - | 2.5 L |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | - |
| Hot-air drying | Yes | - |
| Detergent dosing | Yes | - |
| Water hookup option | Yes | - |
| Clean water tank | - | 3 L |
| Navigation & app | ||
| Navigation | LiDAR + camera | LiDAR + 3D light |
| Obstacle avoidance | Reactive AI 3.0 obstacle recognition | Line laser, recognises 100+ object types |
| Climbs thresholds | 88 mm | 20 mm |
| Matter | Yes | Yes |
| Voice assistants | Alexa, Google Assistant, Siri Shortcuts | Alexa, Google Assistant, Siri |
| Build | ||
| Height | 3.1 in (79.8 mm) | 4.5 in (114 mm) |
| Retracting LiDAR | Yes | No |
| Battery | 6,400 mAh | 5,200 mAh |
| Run time | Up to 3 h 10 min | - |
| Weight | - | 10.8 lb (4.9 kg) |
| Warranty | 1 year | 1 year |
| Released | - | 2026-09 |