ROBOVERDICT

Head to head · Window cleaning robots

Dreame C1 vs Mamibot iGLASSBOT W300

Dreame C1 or Mamibot iGLASSBOT W300? Verdict Scores 71 and 69. The C1: smallest pane 30 × 40 vs 60 × 60 cm; the iGLASSBOT W300: water tank 215 vs 80 ml.

Manufacturers' published figures, scored by the same engine as the rankings. Nothing here is from a test we ran. · Updated

Verdict

The Dreame C1 has the higher Verdict Score, 71 to 69.

The Dreame C1 has the edge in coverage, navigation, value, ease of use and reliability. The Mamibot iGLASSBOT W300 has the edge in cleaning, safety and adhesion.

In the manufacturers' published figures the Dreame C1 is ahead on 2 rows: smallest pane (30 × 40 cm against 60 × 60 cm) and noise (63 dB against 70 dB). In turn, the Mamibot iGLASSBOT W300 is ahead on 2 rows: water tank (215 ml against 80 ml) and suction (8,000 Pa against 5,500 Pa).

The Dreame C1 suits tall panes and stairwell glass where the route and the reach matter. The Mamibot iGLASSBOT W300 suits large panes and shop fronts, where the tank and the squeegee pay off.

This comparison is computed from our specification database and is not edited individually. Method: specification analysis of the makers' published figures, explained on our scoring and editorial policy pages.

Dreame
Dreame C1≈ $430
Mamibot
Mamibot iGLASSBOT W300Not published

Where the Dreame C1 is ahead

  • Coverage97 · 76
  • Navigation100 · 40
  • Ease of Use56 · 54
  • Reliability61 · 44
  • Value45 · 36
  • Smallest pane30 × 40 cm · 60 × 60 cm
  • Noise63 dB · 70 dB

Where the Mamibot iGLASSBOT W300 is ahead

  • Cleaning88 · 68
  • Adhesion100 · 68
  • Safety69 · 61
  • Water tank215 ml · 80 ml
  • Suction8,000 Pa · 5,500 Pa

Subscores are from our engine; the specification rows are the manufacturers' published figures, listed only where the better direction is beyond argument.

Where to buy

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Full specification, side by side

Compare
Dreame
Dreame C1
Mamibot
Mamibot iGLASSBOT W300
Dreame C1
Dreame press image
≈ $430Price in the manufacturer's shop
Not published
Highest Verdict Score

Shop links are affiliate links: a purchase through them may earn RoboVerdict a commission, which never changes a ranking.

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At a glance
Leads on
  • Coverage
  • Navigation
  • Ease of Use
  • Reliability
  • Value
  • Cleaning
  • Adhesion
  • Safety
Pros
  • Corner brushes and elastic balls, which Dreame says raise corner coverage by 90%
  • Planned route at 14 cm/s that resumes after an interruption and returns to its start
  • Rated for panes up to 2.5 × 4 m, down to 30 × 40 cm, on glass, marble or tiles
  • 215 ml tank for about 35 m², the largest in the category
  • Spray, wipe and squeegee in one pass; 8,000 Pa with suction monitoring
  • Four-side edge sensors and a four-side brush ring for the corners
Cons
  • No power-cut backup stated for the plain C1
  • 3,300 Pa sustained vacuum; the 5,500 Pa peak is with compensation
  • 80 ml tank with no area-per-fill figure, only a 60-minute cycle
  • One-year warranty, six months on the battery
  • No weight, rope rating, cable length, speed or maximum pane printed
  • No voice prompts and no resume or return to start claimed
Best for
  • Tall panes and stairwell glass where the route and the reach matter
  • Buyers who want the corners done and the noise kept down
  • Large panes and shop fronts, where the tank and the squeegee pay off
  • Tiled and marble walls as well as windows
Score breakdown
Verdict Score71/10069/100
Cleaning
68
88
Adhesion
68
100
Coverage
97
76
Safety
61
69
Navigation
100
40
Ease of Use
56
54
Reliability
61
44
Value
45
36
Specifications

In green: the better figure where the direction is beyond argument, such as more lawn or less noise. Where it depends on your home, nothing is marked.

Cleaning
Spray systemYesYes
Water tank80 ml215 ml
Glass per fillNot published35 m²
Cleaning speed14 cm/sNot published
Cleaning modes55
Corner cleaningYesYes
Cleaning cycle per fill60 minNot published
Stated area coverage> 90%Not published
Corner brushes in the box8Not published
SqueegeeNot publishedFlexSqueegee, adaptive, after the spray and the wipe
Spray nozzlesNot published4, two each side, atomised
ModesNot publishedFast, deep, edge, spot and manual
Adhesion
Suction5,500 Pa8,000 Pa
Pressure compensationYesYes
Sustained vacuum3,300 PaNot published
Fit
Largest pane250 × 400 cmNot published
Smallest pane30 × 40 cm60 × 60 cm
Edge detectionYesYes
Other surfacesYesYes
Edge sensing response0.02 sNot published
Minimum glass thicknessNot published3 mm
Safety
Power-cut backupNot published25 min
Safety ropeYesCombined with the power cable, no length or rating printed
Rope rating140 kgNot published
Fault self-checkNoNo
Backup batteryNot published650 mAh, 25 to 30 minutes of holding
Navigation
Path planningYesYes
Resumes after interruptionYesNo
Returns to startYesNo
Steers round obstaclesYesNo
Control
Remote controlYesYes
Voice promptsNoNo
Cable reach5.5 mNot published
CordlessNoNo
Mains lead1.8 mNot published
Cordless optionC1 Station S kit with a battery station, sold separatelyNot published
Firmware updatesNot publishedOver the air, from the app
Power
BatteryNot publishedNot published
RuntimeNot publishedNot published
Charging timeNot publishedNot published
Connectivity
Wi-FiYesYes
BluetoothNoNo
4G / LTENoNo
Physical
Weight1.6 kgNot published
L × W × H270 × 270 × 81 mm270 × 270 × 69 mm
Noise63 dB70 dB
Support
WarrantyNot published12 months
ReleasedNot publishedNot published
Battery warrantyNot published6 months

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