Dreame L40s Ultra
The value pick of Dreame’s range: strong measured carpet cleaning, long runtime and a full self-cleaning dock for about half the flagship price.
Amazon $469.99$469.99
The Dreame L40s Ultra is the better robot vacuum overall, rated 4.6 to 4.2. The Dreame L40s Ultra leads on value. The Dreame L40s Ultra costs $100 less ($469.99 vs $569.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Yeedi M16 Infinity
A low-cost fresh-water roller-mop robot with a full hot-wash dock, for hard-floor homes on a budget willing to accept few published specs.
Amazon $569.99$569.99
Which should you buy?
- Choose the Dreame L40s Ultra for value ($470 vs $570).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.
| Factor weight | Dreame L40s Ultra | Yeedi M16 Infinity |
|---|---|---|
| Overall rating | 4.6/5 | 4.2/5 |
| Cleaning 30% | 88 measured 92% of sand from carpet, 91% of pet hair, no hair tangled | 75 not yet tested; estimated from 2 tested Yeedi robots and the median of the 80 tested robots |
| Value 25% | 82 $470 | 70 $570 |
| Dock 20% | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent |
| Navigation 15% | 85 LiDAR + 3D light | 50 navigation not published (neutral score used) |
| Mopping 10% | 86 Dual spinning pads, leaves its mop at the dock for carpet, extends to edges | 85 Roller, extends to edges |
Independent tests
Dreame L40s Ultra
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 92% | 91% | 0 | 1,538 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Yeedi M16 Infinity
No independent test published yet.
Specifications
| Dreame L40s Ultra | Yeedi M16 Infinity | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 19,000 Pa | 30,000 Pa |
| Main brush | HyperStream Detangling DuoBrush (bristled rubber brush plus TPU rubber brush) | V-shaped anti-tangle brush with comb teeth (ZeroTangle 4.0) |
| Dustbin | 310 mL | - |
| Extending side brush | Yes | No |
| Mopping | ||
| Mop | Dual spinning pads, leaves its mop at the dock for carpet, extends to edges | Roller, extends to edges |
| Mop lift | 10.5 mm | - |
| Leaves mop at dock | Yes | No |
| Extending mop | Yes | Yes |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 3.2 L | - |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | Yes |
| Hot-air drying | Yes | Yes |
| Detergent dosing | Yes | Yes |
| Clean water tank | 4.5 L | - |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | - |
| Obstacle avoidance | 3DAdapt structured-light obstacle avoidance | - |
| Climbs thresholds | 40 mm | - |
| Voice assistants | Alexa, Google Assistant | Alexa, Google Assistant, Siri Shortcuts |
| Build | ||
| Height | 3.8 in (97 mm) | - |
| Battery | 5,200 mAh | - |
| Run time | Up to 3 h 40 min | - |
| Weight | 9 lb (4.1 kg) | - |
| Warranty | 3 years | 1 year |
| Released | 2025-08 | 2026-03 |