# Dreame L40s Ultra CE vs iRobot Roomba 105 Combo + AutoEmpty Dock

As of Oct 31, 2026, the Dreame L40s Ultra CE costs $470 and the iRobot Roomba 105 Combo + AutoEmpty Dock costs $470. The iRobot Roomba 105 Combo + AutoEmpty Dock has a published review score and ranks #40 in our robot vacuums ranking; the Dreame L40s Ultra CE is not scored yet. Pick the Dreame L40s Ultra CE for first time buyers who want a full dock cheaply. Pick the iRobot Roomba 105 Combo + AutoEmpty Dock for simple daily upkeep in small homes.

Prices checked Oct 31, 2026. HTML version: https://robotsforthat.com/vs/dreame-l40s-ultra-ce-vs-irobot-roomba-105-combo-autoempty/

## Side by side

| | Dreame L40s Ultra CE | iRobot Roomba 105 Combo + AutoEmpty Dock |
|---|---|---|
| Price | $470 | $470 |
| 3 year cost | $510 | $470 |
| Our score | Not scored yet | 5.6/10 |
| Rank in Floors | #53 | #40 |
| Status | on sale | on sale |
| Warranty | 3 years (Dreame US store) | n/a |
| Suction | 13,000 Pa on the Dreame product page and comparison blog | iRobot claims 70X the Roomba 600 series with 4 suction levels; Tek.no lists 7,000 Pa and found it lower than rivals |
| Navigation | LDS LiDAR with Smart Pathfinder (Dreame); Vacuum Wars measured 0.73 m2 per minute | ClearView LiDAR, cleans in rows, up to 3 maps, about 10 min per 1,000 sq ft (iRobot); Tek.no saw it get stuck and take a long time |
| Obstacle avoidance | Single laser 3DAdapt structured light, no camera (Dreame); Vacuum Wars saw it avoid 8 of 24 objects | LiDAR only, no camera (iRobot) |
| Mopping | Dual spinning mops with RoboSwing, 10.5 mm lift, no extension or auto removal (Dreame); Vacuum Wars measured 2.20 g water left, the most of the L40s range | Yes, microfiber pad with a micro pump, 3 water levels and SmartScrub; avoids carpet in mop modes (iRobot); Tek.no called it essentially a wet cloth |
| Self empty | Yes, 3.2 L dust bag, up to 100 days (Dreame) | Yes, bagged AutoEmpty dock rated for up to 75 days (iRobot) |
| Dock features | Auto empty, cool water mop wash, warm air drying, auto water refill, 4.5 L clean and 4 L used tanks; auto detergent dosing is a $39.99 add on (Dreame) | Auto empty and charging only; no pad washing (iRobot) |
| Runtime | Up to 260 min in quiet vacuum mode from 5,200 mAh (Dreame); Vacuum Wars estimated about 1,922 sq ft per charge | Tek.no lists 120 min; iRobot lists a 3,000 mAh LFP battery but no runtime |
| Dustbin | 300 ml or more plus 3.2 L dock bag (Dreame) | Not published by iRobot |
| Height | 104 mm (about 4.1 in) (Dreame) | 4.09 in (iRobot) |
| Pet hair | TriCut Brush 3.0 (Dreame); Vacuum Wars measured 68% pet hair pickup, 89% carpet sand removal and 0% hair wrap | n/a |
| App | Dreamehome app with Alexa, Siri and Google Home through third party devices, no built in voice (Dreame) | Roomba Home app with schedules, keep out zones, suction and water settings; 2.4 GHz Wi-Fi only (iRobot); Tek.no found the map view weaker than rivals |
| Threshold | 20 mm (Dreame product page); Dreame's comparison blog lists 22 mm in one section and 20 mm in another | n/a |
| Weight | n/a | 6.45 lb robot (iRobot) |
| Best for | first time buyers who want a full dock cheaply | simple daily upkeep in small homes |
| Skip if | you have pets, clutter or want hot water mop washing | you want real scrubbing or obstacle recognition |

## What reviewers found

### Dreame L40s Ultra CE

- Vacuum Wars (3.10 Vacuum Wars stars): 89% carpet sand removal, 68% pet hair pickup, 0% hair wrap, 8 of 24 obstacles avoided, about 1,922 sq ft per charge and 2.20 g of water left behind, the most of the three L40s models. Not in its Top 20. [Source](https://vacuumwars.com/dreame-l40s-series-review/)
- The Smart Home Hookup: Ranked it with the Mova P50 Ultra at the top for vacuuming among robots from the last three years and tied for first in mopping with the Narwal Flow. Noted the detergent dispenser is sold separately; listed $469.99 MSRP. [Source](https://www.thesmarthomehookup.com/?p=10269)

### iRobot Roomba 105 Combo + AutoEmpty Dock

- Tek.no (Norway): Rated it mediocre. Vacuums well and LiDAR improved navigation over older Roombas, but it got stuck, took a long time, has lower suction than rivals and a basic wet cloth mop. [Source](https://www.tek.no/produkter/41949/irobot-roomba-105-combo-autoempty)
- Just A Dad Approved (4.6/10): After about three months of home use it scored 5.5 of 10 for mopping, 6 for carpet, 5 for hair tangle and 1.5 for obstacle avoidance, running over items under about 3 inches. Only 2 of 6 marketing claims passed. The reviewer advised skipping it at full price. The page prints 4.6/10 in one place and 4.8 out of 10 in another. [Source](https://justadadapproved.com/product/irobot-roomba-105-combo-robot-vacuum-mop-autoempty/)
- Vacuum Chef: Hands on test with the AutoEmpty dock. Measured 395 FPM airflow on carpet against a 420 FPM category average, the best it has recorded for an entry level iRobot. Mapping was much faster than older non LiDAR Roombas. The mop only drags and does not lift, hair tangles on the roller and the firmware update took nearly an hour. [Source](https://vacuumchef.com/irobot-roomba-105-combo-review-7000-pa-power-smart-mapping-real-world-test-results/?amp=1)

## Questions buyers ask

### Which is better, the Dreame L40s Ultra CE or the iRobot Roomba 105 Combo + AutoEmpty Dock?

The iRobot Roomba 105 Combo + AutoEmpty Dock has a published review score and ranks #40 in our robot vacuums ranking; the Dreame L40s Ultra CE is not scored yet. Pick the Dreame L40s Ultra CE for first time buyers who want a full dock cheaply. Pick the iRobot Roomba 105 Combo + AutoEmpty Dock for simple daily upkeep in small homes.

### What is the difference between the L40s Ultra CE and the Roomba 105 Combo + AutoEmpty Dock?

Suction: 13,000 Pa on the Dreame product page and comparison blog on the L40s Ultra CE, iRobot claims 70X the Roomba 600 series with 4 suction levels; Tek.no lists 7,000 Pa and… on the Roomba 105 Combo + AutoEmpty Dock. Navigation: LDS LiDAR with Smart Pathfinder (Dreame); Vacuum Wars measured 0.73 m2 per minute on the L40s Ultra CE, ClearView LiDAR, cleans in rows, up to 3 maps, about 10 min per 1,000 sq ft (iRobot)… on the Roomba 105 Combo + AutoEmpty Dock. Obstacle avoidance: Single laser 3DAdapt structured light, no camera (Dreame); Vacuum Wars saw it avoid 8 of… on the L40s Ultra CE, LiDAR only, no camera (iRobot) on the Roomba 105 Combo + AutoEmpty Dock.

Full reviews: [Dreame L40s Ultra CE](https://robotsforthat.com/robot/dreame-l40s-ultra-ce/index.md), [iRobot Roomba 105 Combo + AutoEmpty Dock](https://robotsforthat.com/robot/irobot-roomba-105-combo-autoempty/index.md)