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  3. P10 Ultra vs Roomba Plus 515 Combo

3i P10 Ultra vs iRobot Roomba Plus 515 Combo

What P10 Ultra does better (3) and where Roomba Plus 515 Combo wins (4) — every spec side by side.

3i P10 Ultra
3i · 2026P10 Ultra
8.5Score
3 advantages≈ US$370
Higher score
vs
iRobot Roomba Plus 515 Combo
iRobot · 2026Roomba Plus 515 Combo
8.4Score
4 advantages≈ US$400
7.3Cleaning power8.9
7.6Navigation6.8
7.2Mopping6.6
6.8Base station7.6
8.3Battery8.2
Dimensions

Size comparison

P10 UltraRoomba Plus 515 Combo
350 × 100350303 × 84303
P10 UltraRoomba Plus 515 ComboDifference
Height100 mm84 mm+16 mm
Width / diameter350 mm303 mm+47 mm
Length350 mm303 mm+47 mm
Weight4.2 kg2.9 kg+1.3 kg

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

Why is P10 Ultra better than Roomba Plus 515 Combo?

  1. Obstacle avoidanceAI camera vs Basic sensors (infrared / bumper)
  2. Mop lift height10.5 mm vs 10 mm+5%
  3. Charging time210 min vs 240 min+14%

Why is Roomba Plus 515 Combo better than P10 Ultra?

  1. Runtime200 min vs 295 min+48%
  2. Suction power18,000 Pa vs 22,000 Pa+22%
  3. Threshold climbing20 mm vs 25 mm+25%
  4. Height100 mm vs 84 mm+19%
Specifications

Side by side

3i P10 Ultra3i P10 Ultra≈ US$3708.5
Suction & cleaning
Suction power18,000 Pa22,000 Pa
Dustbin (robot)300 ml—
Main brushSingle main brushSingle main brush
Anti-tangle brushYesYes
Side brushes11
Extending side brush—Yes
Carpet detectionYesYes
Dirt detectionYesYes
Noise level65 dB—
Navigation & obstacles
NavigationLaser (LiDAR)Laser (LiDAR)
Navigation sensorsLiDAR laser (LDS), Gyroscope, Wall sensor, Cliff sensors, Ultrasonic sensorLiDAR laser (LDS), Cliff sensors
Obstacle avoidanceAI cameraBasic sensors (infrared / bumper)
Threshold climbing20 mm25 mm
No-go zones / virtual wallsYesYes
Room mapping & room selectionYesYes
Mopping
Mop typeRotating mop padsRotating mop pads
Mop lifting on carpetsYesYes
Mop lift height10.5 mm10 mm
Extending mop (edges)YesYes
Water tank (robot)100 ml—
Base station
Base stationAll-in-one dock (empty + wash)All-in-one dock (empty + wash)
Auto-empty dust stationYesYes
Dust bag (dock)3 l—
Mop washing in the dockYesYes
Hot-water mop washingYesYes
Hot-air mop dryingYesYes
Automatic water refillYesYes
Clean water tank (dock)4 l—
Dirty water tank (dock)4 l—
Battery & runtime
Battery capacity5,200 mAh5,200 mAh
Runtime200 min295 min
Charging time210 min240 min
Cleaning area per charge—185 m²
Recharge & resume—Yes
Size & weight
Width / diameter350 mm303 mm
Length350 mm303 mm
Height100 mm84 mm
Weight4.2 kg2.9 kg
ShapeRoundRound
ColoursBlackWhite
App & smart home
App controlYesYes
Voice assistantsAmazon Alexa, Google AssistantAmazon Alexa, Google Assistant, Apple Siri
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