Dreame D30 Ultra vs Dreame L40s Ultra
Researched by Riley Hart · prices checked Oct 31, 2026
As of Oct 31, 2026, the Dreame D30 Ultra costs $540 and the Dreame L40s Ultra costs $570, so the Dreame D30 Ultra is $30 cheaper. The Dreame L40s Ultra has a published review score and ranks #9 in our robot vacuums ranking; the Dreame D30 Ultra is not scored yet. Pick the Dreame D30 Ultra for large, tidy homes on a budget. Pick the Dreame L40s Ultra for pet owners with carpet on a budget.
- Suction
- 25,000 Pa claimed
- Navigation
- LiDAR
- Mopping
- Dual spinning mops
- Runtime
- Up to 230 min and 1,679
A low cost way to get auto empty and mop washing with long battery life. Vacuum Wars measured strong carpet cleaning and about 1,831 sq ft per charge. Skip it if you have pets or clutter, since it avoided only 8 of 24 objects and struggled with stains and pet hair.
Full Dreame D30 Ultra review →- Suction
- 19,000 Pa claimed
- Navigation
- LDS LiDAR
- Mopping
- Dual spinning mops
- Runtime
- Up to 220 min in quiet
The best carpet and pet hair performer of the L40s range, with a hot water mop dock, now far below its $1,399.99 launch price. Vacuum Wars measured 92% sand removal and 91% pet hair pickup with no tangles. Skip it if your floors are cluttered, since it avoided only 7 of 24 objects.
Full Dreame L40s Ultra review →Side by side
| Dreame D30 Ultra | Dreame L40s Ultra | |
|---|---|---|
| Price | $540 | $570 |
| 3 year cost | $540 | $570 |
| Our score | Not scored yet | 8.6/10 |
| Rank in Floors | #57 | #9 |
| Status | on sale | on sale |
| Warranty | 3 years (Dreame US store) | 3 years (Dreame US store) |
| Suction | 25,000 Pa claimed (Dreame); Vacuum Wars measured a 0.95 bench suction score against a 0.99 average | 19,000 Pa claimed (Dreame); Vacuum Chef measured 490 FPM carpet airflow, well above average |
| Navigation | LiDAR with up to 4 maps (Dreame); Vacuum Wars measured 0.83 m2 per minute against a 0.71 average | LDS LiDAR with Pathfinder, 4 maps (Dreame); Vacuum Wars measured 0.85 m2 per minute |
| Obstacle avoidance | 3DAdapt structured light, no camera (Dreame); Vacuum Wars saw it avoid 8 of 24 objects against a 16 average | 3D structured light only, no camera or object count (Dreame); Vacuum Wars saw it avoid 7 of 24 objects |
| Mopping | Dual spinning mops, 10.5 mm lift, 4 cm extension (Dreame); Vacuum Wars scored dried stains 60 and coffee 40 against 108 and 94 averages | Dual spinning mops, 10.5 mm lift, extend and auto removal (Dreame); Vacuum Wars measured 0.95 g water left and a 259 combined mop score |
| Self empty | Yes, 3.2 L dust bag, up to 100 days (Dreame) | Yes, 3.2 L dust bag, up to 100 days (Dreame) |
| Dock features | Auto empty, mop wash with 20 spray nozzles, air drying, 4.5 L clean and 4.0 L dirty tanks (Dreame); detergent dosing not mentioned | 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) |
| Runtime | Up to 230 min and 1,679 sq ft in quiet vacuum mode (Dreame); Vacuum Wars estimated about 1,831 sq ft per charge against a 1,170 average | Up to 220 min in quiet mode from 5,200 mAh (Dreame); Vacuum Wars estimated about 1,935 sq ft per charge |
| Dustbin | 300 ml (Dreame, Vacuum Wars) | 310 ml robot bin plus 3.2 L dock bag (Dreame) |
| Height | 3.81 in (97 mm) (Dreame) | 3.82 in (Dreame) |
| Pet hair | TriCut brush (Dreame); Vacuum Wars measured 61% flattened pet hair pickup and 25% hair wrap | HyperStream Detangling DuoBrush (Dreame); Vacuum Wars measured 91% pet hair pickup, 92% carpet sand removal and 0% hair wrap |
| App | Dreamehome app with no go and pet zones; third party voice assistants (Dreame) | Dreamehome app with third party voice assistants only (Dreame); Vacuum Chef notes no built in voice assistant or live video |
| Threshold | 0.79 in (20 mm) (Dreame) | 1.57 in double layer and 0.87 in single steps (Dreame) |
| Noise | n/a | Vacuum Chef measured 78 dB at max suction |
| Best for | large, tidy homes on a budget | pet owners with carpet on a budget |
| Skip if | you need good stain mopping or pet hair pickup | your floor often has cables, socks or toys |
Specs are maker claims unless a reviewer is named. Prices from the stores we link, checked daily.
What reviewers found
Dreame D30 Ultra
- Vacuum Wars (3.29 Vacuum Wars stars): Carpet deep clean score 84 (78 average), estimated 1,831 sq ft per charge, but 61% pet hair pickup, 8 of 24 obstacles avoided, and stain scores of 60 (dried) and 40 (coffee) against 108 and 94 averages. Source
- Fone Arena: India review of the same 25,000 Pa model: praised the 4 cm MopExtend arm, self cleaning washboard and fast charging, cleaning 120 to 140 m2 per pass in vacuum and mop mode; noted the TriCut brush is sold separately in most regions. Source
Dreame L40s Ultra
- Vacuum Wars (3.51 Vacuum Wars stars): 92% carpet sand removal, 91% pet hair pickup and 0% hair wrap with the DuoBrush, about 1,935 sq ft per charge, but only 7 of 24 obstacles avoided. Source
- Vacuum Chef (95/100): Scored 95/100 in its real world cleaning tests, measured 490 FPM carpet airflow and 78 dB at max suction. Obstacle avoidance varied by floor and object. Source
Pros and cons
Dreame D30 Ultra
Pros
- Long coverage per charge
- Above average carpet deep clean
- Efficient LiDAR navigation
- Mop pads extend and lift
- Full dock under $550
Cons
- Avoided only 8 of 24 obstacles
- Weak on dried and coffee stains
- 61% pet hair pickup
- No detergent dosing listed
- Small 300 ml bin
Dreame L40s Ultra
Pros
- 92% carpet sand removal in Vacuum Wars testing
- 91% pet hair pickup, no tangles
- Extending side brush and mop
- Mop pads detach before carpet
- Deep discount from launch price
Cons
- Avoided only 7 of 24 obstacles
- No camera
- Loud at max, 78 dB in Vacuum Chef testing
- No built in voice assistant
- Bulky base station
Questions buyers ask
Which is better, the Dreame D30 Ultra or the Dreame L40s Ultra?
The Dreame L40s Ultra has a published review score and ranks #9 in our robot vacuums ranking; the Dreame D30 Ultra is not scored yet. Pick the Dreame D30 Ultra for large, tidy homes on a budget. Pick the Dreame L40s Ultra for pet owners with carpet on a budget.
Which is cheaper?
The Dreame D30 Ultra at $540, versus $570 for the Dreame L40s Ultra, checked Oct 31, 2026. Over 3 years with running costs: $540 vs $570.
What is the difference between the D30 Ultra and the L40s Ultra?
Suction: 25,000 Pa claimed (Dreame); Vacuum Wars measured a 0.95 bench suction score against a… on the D30 Ultra, 19,000 Pa claimed (Dreame); Vacuum Chef measured 490 FPM carpet airflow, well above… on the L40s Ultra. Navigation: LiDAR with up to 4 maps (Dreame); Vacuum Wars measured 0.83 m2 per minute against a 0.71… on the D30 Ultra, LDS LiDAR with Pathfinder, 4 maps (Dreame); Vacuum Wars measured 0.85 m2 per minute on the L40s Ultra. Obstacle avoidance: 3DAdapt structured light, no camera (Dreame); Vacuum Wars saw it avoid 8 of 24 objects… on the D30 Ultra, 3D structured light only, no camera or object count (Dreame); Vacuum Wars saw it avoid 7… on the L40s Ultra.
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