Dreame L40s Ultra AE vs Yeedi S14 Plus
Researched by Riley Hart · prices checked Nov 11, 2026
As of Nov 11, 2026, the Dreame L40s Ultra AE costs $670 and the Yeedi S14 Plus has no store price on file. The Dreame L40s Ultra AE scores higher in our ranking (7.3 vs 7.1 out of 10). Pick the Dreame L40s Ultra AE for large mixed floor homes on a mid budget. Pick the Yeedi S14 Plus for hard floor homes that want roller mopping and edge cleaning. They split the points we can measure, 1 each.
Who wins, point by point
They split the points we can measure, 1 each. Built from today's prices, the specs and independent tests for these two robots.
| L40s Ultra AE | S14 Plus | Winner | |
|---|---|---|---|
| Suction | 19,000 Pa | 18,000 Pa | L40s Ultra AE |
| Runtime per charge | 3 h | 270 min | S14 Plus |
| Climbs thresholds up to | 0.8 in | 0.8 in | Tie |
- You care most about suction (19,000 Pa vs 18,000 Pa)
- Best for large mixed floor homes on a mid budget
- You care most about runtime per charge (270 min vs 3 h)
- Best for hard floor homes that want roller mopping and edge cleaning
- Suction
- 19,000 Pa claimed
- Navigation
- LDS LiDAR
- Mopping
- Dual spinning mops
- Runtime
- Up to 180 min and 1,808
Balanced mid price bot with AI avoidance and very long coverage
Full Dreame L40s Ultra AE review, pros and cons →- Suction
- 18,000 Pa claimed
- Navigation
- Yeedi lists embedded
- Mopping
- OZMO roller mop
- Runtime
- 270 min claimed
Roller mop robot with hot wash dock and no LiDAR bump on top
Full Yeedi S14 Plus review, pros and cons →Side by side
| Dreame L40s Ultra AE | Yeedi S14 Plus | |
|---|---|---|
| Price | $670 | n/a |
| 3 year cost | $670 | n/a |
| Our score | 7.3/10 | 7.1/10 |
| Rank in Floors | #22 | #25 |
| Status | on sale | on sale |
| Warranty | 3 years (Dreame US store) | n/a |
| Suction | 19,000 Pa claimed (Dreame) | 18,000 Pa claimed (Yeedi), up from 11,800 Pa on the M12 Ultra Plus (BGR) |
| Navigation | LDS LiDAR (Dreame); Vacuum Wars measured 0.87 m2 per minute against a 0.70 average | Yeedi lists embedded radar and a TruEdge 3D sensor with no LiDAR dome; AndroidGuys found mapping very accurate, but BGR got an oversized map, unreliable room splitting and a robot that sometimes got lost |
| Obstacle avoidance | RGB AI camera plus 3D structured light, 120+ obstacle types (Dreame); Vacuum Wars saw it avoid 19 of 24 objects | AIVI 3D 3.0 with an AI camera (BGR, AndroidGuys); BGR saw it stuck on cables with AI off but avoiding all cables with AI on; it never got stuck in AndroidGuys testing |
| Mopping | Dual spinning mops, 10.5 mm lift, MopExtend (Dreame); Vacuum Wars measured only 0.35 g of water left behind and a 269 combined mop score against a 188 average | OZMO roller mop, 6.89 in wide at 200 RPM (Yeedi), 4,000 Pa downward pressure and 16 water nozzles (BGR), lifts up to 10 mm on carpet (AndroidGuys) and extends toward edges |
| Self empty | Yes, 3.2 L dust bag, up to 100 days (Dreame) | Yes, 3 L disposable bag, up to 90 days (AndroidGuys) |
| Dock features | Auto empty, 167 F (75 C) hot water mop wash, hot air drying, self cleaning washboard, auto detergent and water refill, 4.5 L clean and 4.0 L dirty tanks; water hookup kit sold separately (Dreame) | Auto empty, 167F hot water mop wash, 145F hot air drying, auto water refill of the robot (Yeedi), two 4.0 L water tanks (AndroidGuys) |
| Runtime | Up to 180 min and 1,808 sq ft (Dreame); Vacuum Wars estimated about 2,462 sq ft per charge | 270 min claimed, 5,200 mAh (BGR, AndroidGuys); BGR mopped 56 m2 in 93 min with about 50% battery left |
| Dustbin | 395 ml on the product page, but Dreame's comparison table lists 300 ml or more | n/a |
| Height | 97 mm (Dreame dimensions) | n/a |
| Pet hair | Liftable rubber brush plus TriCut Brush 3.0 (Dreame); Vacuum Wars measured 81% pet hair pickup and 0% hair wrap with the TriCut brush | Yeedi claims ZeroTangle 2.0 anti tangle design; neither review measured pet hair pickup |
| App | Dreamehome app with Alexa, Google Home, Siri and Apple Watch (Dreame); Matter support (Just A Dad Approved) | Yeedi app with four suction levels, three water levels, three modes and Alexa, Google Assistant and Siri support; AndroidGuys found it sometimes buggy |
| Threshold | 20 mm (Dreame) | Crosses up to 20 mm (AndroidGuys) |
| Noise | n/a | No dB figure; AndroidGuys found it quieter than the Yeedi C12 Pro Plus even on max |
| Best for | large mixed floor homes on a mid budget | hard floor homes that want roller mopping and edge cleaning |
| Skip if | corner cleaning and heavy pet hair matter most | you want a polished, bug free app |
Specs are maker claims unless a reviewer is named. Prices from the stores we link, checked daily.
What reviewers found
Dreame L40s Ultra AE
- Vacuum Wars (3.52 Vacuum Wars stars): 85% carpet sand removal, 81% pet hair pickup, 0% hair wrap, 19 of 24 obstacles avoided and about 2,462 sq ft per charge against a 1,015 average. Named Best Value of the Year. Source
- Just A Dad Approved (7.9/10): After 90+ days of home testing, liked the AI camera, included TriCut brush and low upkeep, but said corners get less attention without an extending side brush and recommended buying only on deep sale. Its bottom line text names a different model, so treat the score with care. Source
Yeedi S14 Plus
- BGR (8/10): Strong suction and the best mopping the reviewer had seen, with the roller reaching edges. Mopped 56 m2 in 93 min with about 50% battery left. Got stuck on cables with AI off and mapping tools need work. Source
- AndroidGuys: Cleaned flour and coffee in one pass on high, mapped accurately and never got stuck. Covered about 1,000 sq ft on max settings with power to spare. App sometimes buggy and deep cleaning is slow. Source
Questions buyers ask
Which is better, the Dreame L40s Ultra AE or the Yeedi S14 Plus?
The Dreame L40s Ultra AE scores higher in our ranking (7.3 vs 7.1 out of 10). Pick the Dreame L40s Ultra AE for large mixed floor homes on a mid budget. Pick the Yeedi S14 Plus for hard floor homes that want roller mopping and edge cleaning.
What is the difference between the L40s Ultra AE and the S14 Plus?
Suction: 19,000 Pa claimed (Dreame) on the L40s Ultra AE, 18,000 Pa claimed (Yeedi), up from 11,800 Pa on the M12 Ultra Plus (BGR) on the S14 Plus. Navigation: LDS LiDAR (Dreame); Vacuum Wars measured 0.87 m2 per minute against a 0.70 average on the L40s Ultra AE, Yeedi lists embedded radar and a TruEdge 3D sensor with no LiDAR dome; AndroidGuys found… on the S14 Plus. Obstacle avoidance: RGB AI camera plus 3D structured light, 120+ obstacle types (Dreame); Vacuum Wars saw it… on the L40s Ultra AE, AIVI 3D 3.0 with an AI camera (BGR, AndroidGuys); BGR saw it stuck on cables with AI off… on the S14 Plus.
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