# Roborock Saros 10 vs Roborock Saros 20 Sonic

As of Nov 4, 2026, the Roborock Saros 10 costs $1,300 and the Roborock Saros 20 Sonic costs $1,700, so the Roborock Saros 10 is $400 cheaper. Pick the Roborock Saros 10 for cleaning under low furniture. Pick the Roborock Saros 20 Sonic for homes with tall thresholds and lots of carpet.

Prices checked Nov 4, 2026. HTML version: https://robotsforthat.com/vs/roborock-saros-10-vs-roborock-saros-20-sonic/

## Side by side

| | Roborock Saros 10 | Roborock Saros 20 Sonic |
|---|---|---|
| Price | $1,300 | $1,700 |
| 3 year cost | $1,300 | $1,777 |
| Our score | Not scored yet | Not scored yet |
| Rank in Floors | #98 | #105 |
| Status | on sale | on sale |
| Warranty | 1 year limited (Roborock US store) | 1 year limited (Roborock US store) |
| Suction | 22,000 Pa claimed (Roborock); Vacuum Wars measured 0.33 kPa against a 0.80 kPa average | 36,000 Pa claimed (Roborock); PC-WELT said it could not verify the figure in home testing |
| Navigation | Retractable top LiDAR (Roborock); Vacuum Wars rated navigation efficiency 4.2 against a 3.29 average | RetractSense retractable LiDAR (Roborock); PC-WELT mapped about 103 m² in about 12 min |
| Obstacle avoidance | ReactiveAI 3.0 with triple structured light, RGB camera and VertiBeam side light (Roborock); Vacuum Wars scored 21 of 24, while TechRadar saw it chew a cable and try to eat a sock | Reactive AI 3.0 with tri laser structured light, RGB camera and VertiBeam side laser (Roborock); Vacuum Wars scored 19 of 24 against a 16 average |
| Mopping | VibraRise 4.0 vibrating pad plus a spinning side mop, up to 8 N pressure, lifts 18 mm (Roborock, Vacuum Wars); Vacuum Wars dried stain score 57 against about 94 average | Extendable VibraRise 5.0 flat vibrating pad, about 4,000 vibrations per min and 14 N pressure, lifts over carpet (Roborock); Vacuum Wars combined mopping score 15.8 against a 20.3 average |
| Self empty | Yes, disposable bag in the dock (Roborock); TechRadar lists 2.5 L dock capacity | Yes, disposable bag in the dock (Roborock); PC-WELT cites a maker claim of up to 65 days per bag |
| Dock features | RockDock Ultra 2.0: mop washing up to 176°F, drying, water refill, auto empty and charging (Roborock) | Mop washing with water up to 212°F, warm air drying at about 131°F, auto detergent dosing (Roborock, PC-WELT) |
| Runtime | 150 min official low power runtime (Vacuum Wars); Vacuum Wars estimated about 1,333 sq ft per charge; 2.5 h charge for the 6,400 mAh battery (Roborock) | Up to 180 min vac and mop at Balanced (Roborock); Vacuum Wars estimated about 1,225 sq ft per charge; PC-WELT used 103 min for 70 m² on turbo settings |
| Dustbin | 270 ml robot bin (TechRadar) | 228 ml robot bin (Vacuum Wars), against a 377 ml average |
| Height | 3.14 in, 79.8 mm, with LiDAR retracted; 3.68 in raised (Roborock) | 79.8 mm, about 3.1 in, with the LiDAR retracted (Roborock) |
| Pet hair | Vacuum Wars scored 19.17 pts on 2.5 in pet hair against a 13.9 average, and it fully resisted 7 in hair tangles | Vacuum Wars measured 78% pet hair pickup against an 82% average, with 0% wrap on 7 in hair |
| App | Roborock app; 2.4 GHz Wi-Fi only (Roborock) | Roborock app; Matter enabled and works with Alexa, Siri and Google Home (Roborock) |
| Threshold | Roborock claims 3 cm single and 4 cm stepped thresholds; Vacuum Wars cleared 20 mm and 26 mm in testing | Roborock claims 8.8 cm on stepped double thresholds and 4.5 cm single sills; Vacuum Wars measured 57 mm; PC-WELT saw about 5 cm single thresholds in practice |
| Noise | Roborock claims as low as 52 dB(A) quiet mopping and 72 dB(A) self emptying; TechRadar called vacuum mode a little noisy | PC-WELT measured about 55 to 58 dB(A) standard, 68 dB(A) max suction and 70 dB(A) while emptying (phone app at 1 m) |
| Best for | cleaning under low furniture | homes with tall thresholds and lots of carpet |
| Skip if | you want top stain mopping or the newest model | mopping sticky stains is your main job |

## What reviewers found

### Roborock Saros 10

- TechRadar: Good mopping on higher settings and an excellent dock, but patchy obstacle avoidance: it chewed a charging cable and tried to eat a sock. Turbo picked up almost everything on tile in one pass. Subscores: Value 4/5, Design 4.5/5, Performance 4/5, App 4.5/5. [Source](https://www.techradar.com/home/robot-vacuums/roborock-saros-10-review)
- Vacuum Wars: 0.33 kPa suction (0.80 average), 21 of 24 obstacles avoided, no hair tangles, about 1,333 sq ft per charge, dried stain score 57 against about 94 average. Vacuum Wars printed a 4.63 star score in its comparison and 3.36 on its product card. [Source](https://vacuumwars.com/roborock-saros-10r-vs-10-comparison/)

### Roborock Saros 20 Sonic

- Vacuum Wars (3.81 Vacuum Wars stars): 92% carpet deep clean (78% average), 0% hair wrap, 78% pet hair pickup (82% average), 19 of 24 obstacles avoided, 57 mm threshold climb, about 1,225 sq ft per charge. Dried stain score 62 against a 108 average, the main weakness. [Source](https://vacuumwars.com/roborock-saros-20-sonic-review/)
- PC-WELT: Editors' Choice and named its new number one in the premium segment. Measured about 55 to 58 dB(A) in standard mode, cleaned 70 m² in 103 min on turbo settings, and handled single thresholds of about 5 cm in practice. Less effective than roller mops on dried dirt. [Source](https://www.pcwelt.de/article/3156821/wischroboter-roborock-saros-20-sonic-test.html)

## Questions buyers ask

### Which is better, the Roborock Saros 10 or the Roborock Saros 20 Sonic?

Pick the Roborock Saros 10 for cleaning under low furniture. Pick the Roborock Saros 20 Sonic for homes with tall thresholds and lots of carpet.

### Which is cheaper?

The Roborock Saros 10 at $1,300, versus $1,700 for the Roborock Saros 20 Sonic, checked Nov 4, 2026. Over 3 years with running costs: $1,300 vs $1,777.

### What is the difference between the Saros 10 and the Saros 20 Sonic?

Suction: 22,000 Pa claimed (Roborock); Vacuum Wars measured 0.33 kPa against a 0.80 kPa average on the Saros 10, 36,000 Pa claimed (Roborock); PC-WELT said it could not verify the figure in home testing on the Saros 20 Sonic. Navigation: Retractable top LiDAR (Roborock); Vacuum Wars rated navigation efficiency 4.2 against a… on the Saros 10, RetractSense retractable LiDAR (Roborock); PC-WELT mapped about 103 m² in about 12 min on the Saros 20 Sonic. Obstacle avoidance: ReactiveAI 3.0 with triple structured light, RGB camera and VertiBeam side light… on the Saros 10, Reactive AI 3.0 with tri laser structured light, RGB camera and VertiBeam side laser… on the Saros 20 Sonic.

Full reviews: [Roborock Saros 10](https://robotsforthat.com/robot/roborock-saros-10/index.md), [Roborock Saros 20 Sonic](https://robotsforthat.com/robot/roborock-saros-20-sonic/index.md)