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  3. BCRDW3BX Spotless Max Cam vs L40 Ultra AE

Bosch BCRDW3BX Spotless Max Cam vs Dreame L40 Ultra AE

What BCRDW3BX Spotless Max Cam does better (0) and where L40 Ultra AE wins (4) — every spec side by side.

Bosch BCRDW3BX Spotless Max Cam
7.9Score
0 advantages≈ US$570
vs
Dreame L40 Ultra AE
Dreame · 2025L40 Ultra AE
8.4Score
4 advantages≈ US$500
Higher score
6.4Cleaning power7.5
8.0Navigation7.8
7.1Mopping7.5
8.4Base station8.8
Dimensions

Size comparison

BCRDW3BX Spotless Max CamL40 Ultra AE
353 × 99353350 × 97350
BCRDW3BX Spotless Max CamL40 Ultra AEDifference
Height99 mm97 mm+2 mm
Width / diameter353 mm350 mm+3 mm
Length353 mm350 mm+3 mm

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

Why is BCRDW3BX Spotless Max Cam better than L40 Ultra AE?

BCRDW3BX Spotless Max Cam has no measurable advantages in this pair.

Why is L40 Ultra AE better than BCRDW3BX Spotless Max Cam?

  1. Suction power11,000 Pa vs 19,000 Pa+73%
  2. Height99 mm vs 97 mm+2%
  3. Dustbin (robot)275 ml vs 395 ml+44%
  4. Dust bag (dock)3 l vs 3.2 l+7%
Specifications

Side by side

Dreame L40 Ultra AEDreame L40 Ultra AE≈ US$5008.4
Suction & cleaning
Suction power11,000 Pa19,000 Pa
Dustbin (robot)275 ml395 ml
Main brushSingle main brushSingle main brush
Side brushes11
Carpet detectionYesYes
Dirt detectionYesYes
Noise level—74 dB
Navigation & obstacles
NavigationLaser (LiDAR)Laser (LiDAR)
Navigation sensorsLiDAR laser (LDS), Wall sensorLiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor
Obstacle avoidanceAI cameraAI camera
Threshold climbing20 mm20 mm
No-go zones / virtual walls—Yes
Room mapping & room selectionYesYes
Mopping
Mop typeRotating mop padsRotating mop pads
Mop lifting on carpetsYesYes
Mop lift height—10.5 mm
Extending mop (edges)YesYes
Water tank (robot)55 ml—
Base station
Base stationAll-in-one dock (empty + wash)All-in-one dock (empty + wash)
Auto-empty dust stationYesYes
Dust bag (dock)3 l3.2 l
Mop washing in the dockYesYes
Hot-water mop washingYesYes
Hot-air mop dryingYesYes
Automatic water refillYesYes
Plumbed water connection—Yes
Clean water tank (dock)—4.5 l
Dirty water tank (dock)—4 l
Battery & runtime
Battery capacity—5,200 mAh
Runtime—180 min
Charging time—210 min
Cleaning area per charge—168 m²
Recharge & resume—Yes
Size & weight
Width / diameter353 mm350 mm
Length353 mm350 mm
Height99 mm97 mm
Weight—4 kg
ShapeRoundRound
ColoursBlackBlack
App & smart home
App controlYesYes
Voice assistants—Amazon Alexa, Google Assistant, Apple Siri
Live camera view / video call—Yes
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