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Comparing 2 robot vacuums

Your shortlist side by side: today’s price, our score and every fact the maker states.

  1. ×
    iRobot Roomba Plus 505 Combo

    On the market since March 2025

    No price today

    6.2 ★ 4.1 · 34 reviews Best on 1 fact
  2. ×
    • Highest score
    • Best on the most facts
    3i P10 Ultra

    On the market since March 2025

    No price today

    7.5 Best on 6 facts

Prices updated at 4:45 AM ETTest results read on Sep 9 to Oct 17

Side by side

Green is the best of these 2, also when they share the lead.

iRobot Roomba Plus 505 Combo × Best on 1 fact 3i P10 Ultra × Best on 6 facts
The facts that decide most
Lowest price – –
Score 6.2 7.5 best
Suction power higher is better 7,000 Pa 18,000 Pa best
Runtime per charge longer is better 180 min 240 min best
Climbs thresholds up to higher is better same on both 0.8 in (20 mm) 0.8 in (20 mm)
Robot height lower is better 4.2 in (10.6 cm) 3.9 in (10 cm) best
Mop lift on carpet higher is better 0.4 in (10 mm) 0.4 in (10.5 mm) best
Dust bag lasts longer is better up to 75 days best up to 70 days
Navigation same on both LiDAR turret LiDAR turret
Tests, rank and ratings
Tests Just A Dad Approved Vacuum Wars
Rank rank 86 of 94 with an all-in-one station rank 38 of 94 with an all-in-one station
Customer rating ★ 4.1 · 34 reviews –
Mopping
Mop type same on both spinning pads spinning pads
Automatic mop detach same on both no (assumed) no (assumed)
Washes the mop same on both yes yes
Hot-air drying same on both yes yes
Station
Station same on both all-in-one station all-in-one station
Plumbing hookup same on both no no (assumed)
Brush and obstacles
Anti-tangle brush no yes (best)
Obstacle avoidance same on both AI camera AI camera
Climbing system for high thresholds same on both no (assumed) no (assumed)
Noise and age
Noise not judged 64 dB 65 dB
On the market since March 2025 March 2025
Suction and brushes
Extending side brush same on both no (assumed) no (assumed)
Carpet detection detects carpet and boosts suction detects carpet
Suitable for pet hair no yes
Dirt detection yes –
Mopping
Mop extends to the edges same on both yes yes
Mop refreshed while mopping no (assumed) yes
Steam same on both no (assumed) no (assumed)
Water tank in the robot – 100 ml
Dock
Empties the dust bin same on both yes yes
Bagless same on both no (assumed) no
Dust bag capacity 2.5 l 3 l
Dries the mop same on both yes yes
Dispenses detergent no yes
Wash temperature – 140 °F (60 °C)
Clean water tank – 4 l
Navigation and obstacles
Multi-floor maps 5 –
Camera on board same on both obstacle camera obstacle camera
Stair-edge sensors yes –
Avoids pet waste yes –
Robotic arm same on both no (assumed) no (assumed)
Room-by-room cleaning – yes
Robot
Robot diameter 14.1 in (35.7 cm) 13.9 in (35.4 cm)
Robot weight 9.5 lb (4.3 kg) 9.3 lb (4.2 kg)
Dust bin in the robot 295 ml 300 ml
Battery
Battery capacity 5,000 mAh 5,200 mAh
Charging time 4.5 h –
Smart features and warranty
Matter yes no (assumed)
Voice assistants Alexa, Google Assistant, Siri Alexa, Google Assistant
Warranty 2 years –
Scheduled runs same on both yes yes
Home Assistant official integration –

Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.

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