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  3. Roomba Combo i8+ vs Robot Vacuum X20 Max

iRobot Roomba Combo i8+ vs Xiaomi Robot Vacuum X20 Max

What Roomba Combo i8+ does better (2) and where Robot Vacuum X20 Max wins (4) — every spec side by side.

iRobot Roomba Combo i8+
iRobot · 2023Roomba Combo i8+
3.9Score
2 advantages≈ US$400
vs
Xiaomi Robot Vacuum X20 Max
Xiaomi · 2024Robot Vacuum X20 Max
7.0Score
4 advantages≈ US$430
Higher score
3.3Mopping6.6
3.4Battery4.6
Dimensions

Size comparison

Roomba Combo i8+Robot Vacuum X20 Max
342 × 93342350 × 97350
Roomba Combo i8+Robot Vacuum X20 MaxDifference
Height93 mm97 mm−4 mm
Width / diameter342 mm350 mm−8 mm
Length342 mm350 mm−8 mm
Weight3.4 kg3.9 kg−0.5 kg

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

Why is Roomba Combo i8+ better than Robot Vacuum X20 Max?

  1. Charging time180 min vs 360 min2×
  2. Height93 mm vs 97 mm+4%

Why is Robot Vacuum X20 Max better than Roomba Combo i8+?

  1. Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
  2. Mop typeMop pad vs Rotating mop pads
  3. Runtime75 min vs 120 min+60%
  4. Base stationAuto-empty dock vs All-in-one dock (empty + wash)
Specifications

Side by side

Suction & cleaning
Suction power—8,000 Pa
Dustbin (robot)360 ml—
Main brushDual main brushesSingle main brush
Anti-tangle brush—Yes
Side brushes11
Carpet detection—Yes
Dirt detectionYes—
Navigation & obstacles
Navigation—Laser (LiDAR)
Navigation sensors—LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor
Obstacle avoidanceBasic sensors (infrared / bumper)AI camera
No-go zones / virtual walls—Yes
Room mapping & room selection—Yes
Mopping
Mop typeMop padRotating mop pads
Mop lifting on carpets—Yes
Mop lift height—10 mm
Extending mop (edges)—Yes
Water tank (robot)210 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
Dirty water tank (dock)—3.8 l
Battery & runtime
Battery capacity—5,200 mAh
Runtime75 min120 min
Charging time180 min360 min
Cleaning area per charge—200 m²
Size & weight
Width / diameter342 mm350 mm
Length342 mm350 mm
Height93 mm97 mm
Weight3.4 kg3.9 kg
ShapeRoundRound
ColoursBlackBlack
App & smart home
App controlYesYes
Voice assistantsAmazon Alexa, Google AssistantAmazon Alexa, Google Assistant
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