Robot Vacuums · Head to head

eufy Omni S2 vs iRobot Roomba Max 705 Combo

Full Robot Vacuums comparison in 2026

Updated October 2026
Data from the official Eufy and iRobot sites.
2026 verdict
When allergen dust and a long warranty matter most, the eufy Omni S2 is the robot vacuum to keep from this pair.
eufy Omni S2
Winner
eufy Omni S2
$1499.99$1599.996% OFF
It is rated at 30,000 Pa against 13,000 Pa on the iRobot Roomba Max 705 Combo, runs 179 minutes against 120, and carries two years of cover against one. It also lists every major platform, including Apple Home and Matter. The iRobot Roomba Max 705 Combo is the more affordable, supports 5 GHz as well as 2.4 GHz, and its AutoWash dock empties, heat-washes and dries the roller and doses detergent. Owner reports on that iRobot, though, lean heavily on reliability and a flawed dirty-water tank. Take the eufy Omni S2 for suction and warranty, and the iRobot Roomba Max 705 Combo when the lower price and dual-band Wi-Fi come first.
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Featureeufy Omni S2iRobot Roomba Max 705 ComboWinner
Price$1499.99$1299.99iRobot Roomba Max 705 Combo
Rating4.43.6eufy Omni S2
Warranty2 years1 yeareufy Omni S2
Battery Life179 minutes120 minuteseufy Omni S2
Connectivity2.4 GHz WiFi, Bluetooth2.4 GHz WiFi, 5 GHz WiFi, BluetoothiRobot Roomba Max 705 Combo
Suction Power30000Pa13000Paeufy Omni S2
Auto RechargeYESYESTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie
Cliff DetectionYESYESTie
Multi-Room MappingYESYESTie

What the differences mean

Suction and runtime

The eufy Omni S2 is rated at 30,000 Pa and 179 minutes. The iRobot Roomba Max 705 Combo is rated at 13,000 Pa and 120 minutes. On allergen dust in carpet, that suction gap is the spec that matters. Both still mop, wash, dry, lift and self-empty, so the dock idea is shared and the airflow is not.

Warranty and Wi-Fi

The eufy Omni S2 is covered for two years and uses 2.4 GHz Wi-Fi only. The iRobot Roomba Max 705 Combo is covered for one year and supports 5 GHz as well as 2.4 GHz. A dual-band router that will not expose 2.4 GHz is a reason to take the Roomba even with the lower suction; a second warranty year is a reason to take the Eufy.

Station height

The eufy Omni S2 dock is about 670 mm tall, a column that needs its own stretch of wall. The iRobot Roomba Max 705 Combo dock is about 432 mm tall. The robots themselves are closer, 98 mm for the eufy Omni S2 and 105 mm for the Roomba. The station, not the robot, is what rearranges the laundry room.

Shared smart home

Both support Alexa, Google Home, Apple Home, SmartThings, Home Assistant and Matter, and both have Bluetooth. The eufy Omni S2 also doses detergent and lists a 3 L water system and 59 dB. Those are comfort details next to 30,000 Pa against 13,000 Pa.

Which one to buy if

Winner
6% OFF
Prime exclusive deal
$1499.99
$1599.99
  • + Rating: 4.4
  • + Warranty: 2 years
  • + Battery Life: 179 minutes
  • - Price: $1499.99 vs $1299.99
  • - Connectivity: 2.4 GHz WiFi, Bluetooth vs 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth

What owners say

Owners of both robots are chasing the same result, cleaner air and less floor work, and both groups confirm the dock does its part. iRobot Roomba Max 705 Combo owners who get a good unit praise accurate LiDAR mapping, smooth obstacle avoidance and a roller the dock heat-washes and dries; the same group reports false bin and water errors, leaking docks, puddles from the dirty-water tank and streaks after a mop. eufy Omni S2 owners lean on the roller mop that lifts muddy marks and suction that holds up as the bin fills, with warnings about a 98 mm body, a huge dock and software that can get lost on tricky layouts. The split is consistency: one group describes a chore that keeps coming back, the other a machine that mostly stays out of the way.

Frequently Asked Questions

Which is better overall: eufy Omni S2 or iRobot Roomba Max 705 Combo?

The eufy Omni S2. It is rated at 30,000 Pa against 13,000 Pa, runs 179 minutes against 120, and carries a two year warranty against one. The iRobot Roomba Max 705 Combo is the more affordable mop robot and the one with 5 GHz Wi-Fi. Both wash, dry and empty at the dock and both support Matter.

What is the biggest difference between the eufy Omni S2 and the iRobot Roomba Max 705 Combo?

Suction and the station. The eufy Omni S2 is rated at 30,000 Pa with a dock about 670 mm tall and a two year warranty. The iRobot Roomba Max 705 Combo is rated at 13,000 Pa with a shorter dock and 5 GHz Wi-Fi. Runtime is 179 minutes against 120.

Do the eufy Omni S2 and the iRobot Roomba Max 705 Combo work with Apple Home?

Yes, both. The eufy Omni S2 and the iRobot Roomba Max 705 Combo each support Apple Home, Alexa, Google Home, SmartThings, Home Assistant and Matter. The Wi-Fi difference is the band: 5 GHz on the Roomba, 2.4 GHz only on the eufy Omni S2.

Which robot vacuum has more suction?

The eufy Omni S2, at 30,000 Pa against 13,000 Pa for the iRobot Roomba Max 705 Combo. The Roomba counters with 5 GHz Wi-Fi and the lower price. Both mop and both self-empty.

Who should buy the eufy Omni S2?

Buyers who want 30,000 Pa, a two year warranty and a hot-wash station, and who can give a very tall dock a permanent place on 2.4 GHz Wi-Fi.

Who should buy the iRobot Roomba Max 705 Combo?

Apple Home households that want a mop robot at the lower price, with 5 GHz Wi-Fi, and that can accept 13,000 Pa and a one year warranty.

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