# Dreame L40 Ultra Gen 2 vs Ecovacs Deebot T80 Omni

As of Nov 4, 2026, the Dreame L40 Ultra Gen 2 costs $750 and the Ecovacs Deebot T80 Omni costs $550, so the Ecovacs Deebot T80 Omni is $200 cheaper. The Ecovacs Deebot T80 Omni has a published review score and ranks #17 in our robot vacuums ranking; the Dreame L40 Ultra Gen 2 is not scored yet. Pick the Dreame L40 Ultra Gen 2 for tidy hard floor homes that want strong mopping. Pick the Ecovacs Deebot T80 Omni for mixed floors and pets on a mid budget.

Prices checked Nov 4, 2026. HTML version: https://robotsforthat.com/vs/dreame-l40-ultra-gen-2-vs-ecovacs-deebot-t80-omni/

## Side by side

| | Dreame L40 Ultra Gen 2 | Ecovacs Deebot T80 Omni |
|---|---|---|
| Price | $750 | $550 |
| 3 year cost | $790 | $550 |
| Our score | Not scored yet | 7.6/10 |
| Rank in Floors | #70 | #17 |
| Status | on sale | on sale |
| Warranty | 3 years (Dreame US store) | n/a |
| Suction | 25,000 Pa claimed (Dreame); Vacuum Wars measured 0.79 kPa bench suction against a 0.99 kPa average, and Vacuum Chef measured 11.5 CFM airflow against a 9.0 average | 18,000 Pa (Ecovacs); Vacuum Wars measured 23 CFM airflow, well above average |
| Navigation | LDS LiDAR, up to 4 maps (Dreame); Vacuum Wars measured 0.84 m2 per minute, faster than its 0.72 average | dToF laser, AIVI 3D (Ecovacs); Vacuum Wars saw it freeze and report it could not continue three times |
| Obstacle avoidance | 3D structured light only; the RGB camera of the original L40 Ultra was removed (Dreame, Vacuum Wars); Vacuum Wars saw it avoid 2 of 24 objects and Vacuum Chef scored 30% | RGBD camera (Ecovacs); Vacuum Wars saw 11 of 12 avoided on its standard course and 7 of 12 on its hard course |
| Mopping | Dual spinning mops, 10.5 mm lift, 4 cm extension, no auto removal (Dreame); Vacuum Wars scored dried stains 144 against a 108 average | OZMO Roller 175 mm, 3,700 Pa pressure, 10 mm lift (Ecovacs); Vacuum Wars combined mop score 287 against a 171 average |
| Self empty | Yes, 3.2 L dust bag, up to 100 days (Dreame) | Yes, 3 L bag with bag detection (Ecovacs) |
| Dock features | Auto empty, mop wash, hot air drying, auto water refill, 4.5 L clean and 4.0 L dirty tanks; detergent dispenser sold separately for $39.99 (Dreame). Dreame lists hot water mop cleaning, but Vacuum Wars says Gen 2 washes with room temperature water | Auto empty, 40 to 75 C mop wash, 45 C hot air drying, hot water auto refill, 4 L clean and 2.2 L dirty tanks; no auto detergent dispenser (Ecovacs) |
| Runtime | Up to 231 min in quiet vacuum mode, up to 1,679 sq ft (Dreame); Vacuum Wars estimated about 1,290 sq ft per charge | 297 min silent vacuum, 195 min vacuum and mop (Ecovacs); Vacuum Wars estimated about 1,200 sq ft per charge |
| Dustbin | 250 ml robot bin plus 3.2 L dock bag (Dreame) | 220 ml robot bin plus 3 L dock bag (Ecovacs, Vacuum Wars) |
| Height | 3.82 in (97 mm) (Dreame) | 98 mm (Ecovacs); Vacuum Wars measured 3.8 in, 97 mm |
| Pet hair | Vacuum Wars measured 69% flattened pet hair pickup and 67% hair wrap on its 7 in hair test; carpet sand removal was 90% | Vacuum Wars measured 99% pet hair pickup and 0% hair wrap |
| App | Dreamehome app with Alexa, Siri, Google Home and Apple Watch; Matter planned in an update (Dreame) | Ecovacs Home app; no built in voice assistant (Ecovacs) |
| Threshold | 0.79 in (2 cm) (Dreame) | 20 mm with mop (Ecovacs) |
| Noise | Vacuum Chef measured 73 dB at max suction, about average | 63.4 dBA vacuuming, 78.3 dBA emptying (Ecovacs) |
| Best for | tidy hard floor homes that want strong mopping | mixed floors and pets on a mid budget |
| Skip if | you have pets with long hair or a cluttered floor | you need auto detergent or under 3.8 in clearance |

## What reviewers found

### Dreame L40 Ultra Gen 2

- Vacuum Wars (3.11 Vacuum Wars stars): Dried stain score 144 (108 average), 90% carpet sand removal, but 69% pet hair pickup, 67% hair wrap and only 2 of 24 obstacles avoided. Estimated about 1,290 sq ft per charge. [Source](https://vacuumwars.com/dreame-l40-ultra-gen-2-review/)
- Vacuum Chef: Measured 11.5 CFM airflow, 90% coffee, 60% sand and 98% cat litter pickup, 73 dB at max and a 30% obstacle avoidance score against a 66% average. Called it a rebalancing rather than an upgrade. [Source](https://vacuumchef.com/?p=12466)

### Ecovacs Deebot T80 Omni

- Vacuum Wars (4.45 Vacuum Wars score): 89% embedded sand, 99% pet hair, 0% hair wrap, combined mop score 287 against a 171 average and about 1,200 sq ft per charge. It froze and stopped three times during testing. [Source](https://vacuumwars.com/ecovacs-t80-omni-review-flagship-features-and-an-unexpected-quirk)
- The Canberra Times (4/5): Sponsored partner review in Australia. Strong suction on carpet, good edges and no rescues needed, but test stains took several passes and it bumped furniture on the first run. [Source](https://www.canberratimes.com.au/story/9070187/ecovacs-deebot-t80-omni-review-the-ultimate-cleaning-companion/)

## Questions buyers ask

### Which is better, the Dreame L40 Ultra Gen 2 or the Ecovacs Deebot T80 Omni?

The Ecovacs Deebot T80 Omni has a published review score and ranks #17 in our robot vacuums ranking; the Dreame L40 Ultra Gen 2 is not scored yet. Pick the Dreame L40 Ultra Gen 2 for tidy hard floor homes that want strong mopping. Pick the Ecovacs Deebot T80 Omni for mixed floors and pets on a mid budget.

### Which is cheaper?

The Ecovacs Deebot T80 Omni at $550, versus $750 for the Dreame L40 Ultra Gen 2, checked Nov 4, 2026. Over 3 years with running costs: $790 vs $550.

### What is the difference between the L40 Ultra Gen 2 and the Deebot T80 Omni?

Suction: 25,000 Pa claimed (Dreame); Vacuum Wars measured 0.79 kPa bench suction against a 0.99… on the L40 Ultra Gen 2, 18,000 Pa (Ecovacs); Vacuum Wars measured 23 CFM airflow, well above average on the Deebot T80 Omni. Navigation: LDS LiDAR, up to 4 maps (Dreame); Vacuum Wars measured 0.84 m2 per minute, faster than… on the L40 Ultra Gen 2, dToF laser, AIVI 3D (Ecovacs); Vacuum Wars saw it freeze and report it could not… on the Deebot T80 Omni. Obstacle avoidance: 3D structured light only; the RGB camera of the original L40 Ultra was removed (Dreame… on the L40 Ultra Gen 2, RGBD camera (Ecovacs); Vacuum Wars saw 11 of 12 avoided on its standard course and 7 of… on the Deebot T80 Omni.

Full reviews: [Dreame L40 Ultra Gen 2](https://robotsforthat.com/robot/dreame-l40-ultra-gen-2/index.md), [Ecovacs Deebot T80 Omni](https://robotsforthat.com/robot/ecovacs-deebot-t80-omni/index.md)