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  3. L10s Ultra Gen 3 vs Saros 20 Sonic

Dreame L10s Ultra Gen 3 vs Roborock Saros 20 Sonic

What L10s Ultra Gen 3 does better (6) and where Saros 20 Sonic wins (8) — every spec side by side.

Dreame L10s Ultra Gen 3
Dreame · 2025L10s Ultra Gen 3
8.1Score
6 advantages≈ US$450
vs
Roborock Saros 20 Sonic
Roborock · 2026Saros 20 Sonic
9.2Score
8 advantages≈ US$950
Higher score
8.0Cleaning power9.0
5.8Navigation9.3
7.1Mopping7.5
9.1Base station6.0
8.3Battery9.0
Dimensions

Size comparison

L10s Ultra Gen 3Saros 20 Sonic
350 × 97350353 × 80353
L10s Ultra Gen 3Saros 20 SonicDifference
Height97 mm80 mm+17 mm
Width / diameter350 mm353 mm−3 mm
Length350 mm353 mm−3 mm

Drawn to the same scale from the official dimensions (front and side).

Why is L10s Ultra Gen 3 better than Saros 20 Sonic?

  1. Mop typeRotating mop pads vs Vibrating / sonic mop
  2. Runtime200 min vs 190 min+5%
  3. Dustbin (robot)320 ml vs 228 ml+40%
  4. Dust bag (dock)3.2 l vs 2.7 l+19%
  5. Water tank (robot)80 ml vs 70 ml+14%
  6. Clean water tank (dock)4.5 l vs 4 l+12%

Why is Saros 20 Sonic better than L10s Ultra Gen 3?

  1. Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
  2. Threshold climbing20 mm vs 88 mm4.4×
  3. Mop lift height10.5 mm vs 35 mm3.3×
  4. Suction power25,000 Pa vs 36,000 Pa+44%
  5. Battery capacity5,200 mAh vs 6,400 mAh+23%
  6. Height97 mm vs 80 mm+21%
  7. Charging time210 min vs 150 min+40%
  8. Noise level70 dB vs 64 dB+9%
Specifications

Side by side

Suction & cleaning
Suction power25,000 Pa36,000 Pa
Dustbin (robot)320 ml228 ml
Main brushSingle main brushSingle main brush
Anti-tangle brush—Yes
Side brushes11
Extending side brushYesYes
Carpet detectionYesYes
Dirt detectionYes—
HEPA filterYes—
Noise level70 dB64 dB
Navigation & obstacles
NavigationLaser (LiDAR)Laser (LiDAR)
Navigation sensorsLiDAR laser (LDS), Wall sensor, Cliff sensorsLiDAR laser (LDS), Retractable LiDAR, Wall sensor, Cliff sensors
Retractable LiDAR—Yes
Obstacle avoidanceBasic sensors (infrared / bumper)AI camera
Threshold climbing20 mm88 mm
No-go zones / virtual wallsYesYes
Room mapping & room selectionYesYes
Mopping
Mop typeRotating mop padsVibrating / sonic mop
Mop lifting on carpetsYesYes
Mop lift height10.5 mm35 mm
Automatic mop removal—Yes
Extending mop (edges)YesYes
Water tank (robot)80 ml70 ml
Base station
Base stationAll-in-one dock (empty + wash)All-in-one dock (empty + wash)
Auto-empty dust stationYesYes
Dust bag (dock)3.2 l2.7 l
Mop washing in the dockYesYes
Hot-water mop washing—Yes
Hot-air mop dryingYesYes
Automatic water refillYesYes
Plumbed water connectionYes—
Clean water tank (dock)4.5 l4 l
Dirty water tank (dock)4 l3.5 l
Battery & runtime
Battery capacity5,200 mAh6,400 mAh
Runtime200 min190 min
Charging time210 min150 min
Recharge & resume—Yes
Size & weight
Width / diameter350 mm353 mm
Length350 mm353 mm
Height97 mm80 mm
Weight3.9 kg—
ShapeRoundRound
ColoursWhiteBlack
App & smart home
App controlYesYes
Voice assistantsAmazon Alexa, Google Assistant, Apple SiriAmazon Alexa, Google Assistant, Apple Siri
Matter—Yes
Live camera view / video call—Yes
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