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  3. Roomba Combo 2 Essential vs Robot Vacuum 5

iRobot Roomba Combo 2 Essential vs Xiaomi Robot Vacuum 5

What Roomba Combo 2 Essential does better (3) and where Robot Vacuum 5 wins (6) — every spec side by side.

iRobot Roomba Combo 2 Essential
5.1Score
3 advantages≈ US$380
vs
Xiaomi Robot Vacuum 5
Xiaomi · 2025Robot Vacuum 5
7.6Score
6 advantages≈ US$410
Higher score
2.9Navigation6.6
3.2Mopping7.9
5.9Base station7.2
4.0Battery5.0
Dimensions

Size comparison

Roomba Combo 2 EssentialRobot Vacuum 5
335 × 85335350 × 88350
Roomba Combo 2 EssentialRobot Vacuum 5Difference
Height85 mm88 mm−3 mm
Width / diameter335 mm350 mm−15 mm
Length335 mm350 mm−15 mm
Weight2.8 kg3.8 kg−1 kg

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

Why is Roomba Combo 2 Essential better than Robot Vacuum 5?

  1. Height85 mm vs 88 mm+4%
  2. Charging time240 min vs 360 min+50%
  3. Dustbin (robot)400 ml vs 290 ml+38%

Why is Robot Vacuum 5 better than Roomba Combo 2 Essential?

  1. Mop typeMop pad vs Rotating mop pads
  2. Base stationAuto-empty dock vs All-in-one dock (empty + wash)
  3. Battery capacity2,600 mAh vs 5,200 mAh2×
  4. Runtime120 min vs 140 min+17%
  5. Threshold climbing18 mm vs 20 mm+11%
  6. Noise level60 dB vs 54 dB+11%
Specifications

Side by side

Suction & cleaning
Suction power—20,000 Pa
Dustbin (robot)400 ml290 ml
Main brushSingle main brushSingle main brush
Anti-tangle brush—Yes
Side brushes11
Extending side brush—Yes
Carpet detectionYesYes
Noise level60 dB54 dB
Navigation & obstacles
NavigationLaser (LiDAR)Laser (LiDAR)
Navigation sensorsLiDAR laser (LDS), Gyroscope, Cliff sensorsLiDAR laser (LDS), dToF laser, Retractable LiDAR, Wall sensor, Cliff sensors
Retractable LiDAR—Yes
Obstacle avoidanceBasic sensors (infrared / bumper)Basic sensors (infrared / bumper)
Threshold climbing18 mm20 mm
No-go zones / virtual walls—Yes
Room mapping & room selectionYesYes
Mopping
Mop typeMop padRotating mop pads
Mop lifting on carpets—Yes
Extending mop (edges)—Yes
Water tank (robot)200 ml—
Base station
Base stationAuto-empty dockAll-in-one dock (empty + wash)
Auto-empty dust stationYesYes
Dust bag (dock)—2.5 l
Mop washing in the dock—Yes
Hot-water mop washing—Yes
Hot-air mop drying—Yes
Automatic water refill—Yes
Clean water tank (dock)—4 l
Battery & runtime
Battery capacity2,600 mAh5,200 mAh
Runtime120 min140 min
Charging time240 min360 min
Recharge & resumeYes—
Size & weight
Width / diameter335 mm350 mm
Length335 mm350 mm
Height85 mm88 mm
Weight2.8 kg3.8 kg
ShapeRoundRound
ColoursBlackWhite
App & smart home
App controlYesYes
Voice assistantsAmazon Alexa, Google AssistantAmazon Alexa, Google Assistant
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