# Dreame L10s Ultra Gen 2 vs Roborock QV 35S

As of Nov 4, 2026, the Dreame L10s Ultra Gen 2 costs $590 and the Roborock QV 35S costs $550, so the Roborock QV 35S is $40 cheaper. The Dreame L10s Ultra Gen 2 has a published review score and ranks #14 in our robot vacuums ranking; the Roborock QV 35S is not scored yet. Pick the Dreame L10s Ultra Gen 2 for budget buyers who want a full auto dock. Pick the Roborock QV 35S for mostly hard floor homes on a mid budget.

Prices checked Nov 4, 2026. HTML version: https://robotsforthat.com/vs/dreame-l10s-ultra-gen-2-vs-roborock-qv-35s/

## Side by side

| | Dreame L10s Ultra Gen 2 | Roborock QV 35S |
|---|---|---|
| Price | $590 | $550 |
| 3 year cost | $680 | $652 |
| Our score | 7.8/10 | Not scored yet |
| Rank in Floors | #14 | #67 |
| Status | on sale | on sale |
| Warranty | 3 years (Dreame US store) | 1 year limited (Roborock US store) |
| Suction | 10,000 Pa claimed with four to five levels (Dreame, Stuff); no lab suction measurement found | 10,000 Pa (Roborock) |
| Navigation | Top mounted LiDAR (Stuff); Tom's Guide found its AI routing unpredictable and incomplete in coverage | PreciSense LiDAR (Roborock); Ideal Home saw about 5 min mapping per floor |
| Obstacle avoidance | 3DAdapt and Smart Pathfinder claimed (Dreame); Tom's Guide saw it often bump walls and larger objects | Reactive Tech structured light (Roborock); Ideal Home saw it bump a dumbbell once, then avoid it; Tom's Guide rated avoidance strong |
| Mopping | Twin spinning pads with MopExtend edge reach, 32 wetness levels and 10.5 mm mop lift (Dreame, Tom's Guide); Stuff needed extra passes for tomato sauce | Dual spinning mops at up to 200 RPM with auto lift (Roborock); Tom's Guide found it handled mud and daily spills but left some oily residue |
| Self empty | Yes, 3.2 L dust bag, 75 days claimed (Vacuum Wars spec page); Tom's Guide and Stuff say about two months in use | Yes, 2 L bag, up to 7 weeks per Roborock (Ideal Home) |
| Dock features | Auto empty, mop washing, auto detergent dispensing, clean and dirty water tanks (Tom's Guide, Stuff) | Auto empty, auto refill, mop washing, cold air drying, detachable base (Roborock) |
| Runtime | Up to 240 min in Quiet mode (Dreame lab data) | Up to 180 min (Tom's Guide, Ideal Home); Ideal Home had about 40% battery left after a whole house clean |
| Dustbin | 300 ml robot bin (Dreame) | n/a |
| Height | 3.83 in (97.2 mm) (Dreame); Stuff notes the LiDAR knob blocks low furniture | 3.80 in (Roborock) |
| Pet hair | Tom's Guide scored pet hair pickup 70% on hardwood and 80% on carpet | Tom's Guide measured 92% hair pickup on hardwood, 60% on low pile carpet and 40% on high pile carpet |
| App | Dreame app with no go zones and CleanGenius auto settings; works with Alexa, Google Home and Siri (Tom's Guide) | Roborock app; 2.4 GHz Wi-Fi only (Roborock); Ideal Home found the app buggy at times |
| Threshold | 2 cm claimed (Dreame); Tom's Guide saw it struggle with a 1.4 cm threshold before crossing | Up to 2 cm (Roborock) |
| Noise | Not measured; Tom's Guide found it fairly quiet but noisy on harder debris | 64 dB Balanced and 55 dB mop only (Roborock); Tom's Guide heard about 60 dB vacuuming and 55 dB mopping |
| Best for | budget buyers who want a full auto dock | mostly hard floor homes on a mid budget |
| Skip if | your floors are cluttered or you need precise edge cleaning | you have high pile carpet or heavy shedding pets |

## What reviewers found

### Dreame L10s Ultra Gen 2

- Tom's Guide: Scored 85% overall pickup: Cheerios 80% on hardwood and 90% on carpet, kitty litter 95% on both, pet hair 70% on hardwood and 80% on carpet. Bumped into walls and large objects and CleanGenius mistook wood grain for stains. [Source](https://www.tomsguide.com/home/smart-home/i-tested-the-dreame-l10s-ultra-gen-2-robot-vacuum-and-mop-and-its-one-of-the-best-values-yet)
- Stuff (South Africa) (8.5/10): Reliable LiDAR navigation and low maintenance, never needed a mid clean recharge in a small flat. Tomato sauce stains needed extra passes and the top knob blocked low furniture. Subscores Design 8, Performance 9, Features 9, Value 8. [Source](https://stuff.co.za/2025/08/22/dreame-l10s-ultra-gen-2-robot-vacuum-review/)

### Roborock QV 35S

- Tom's Guide: On hardwood it picked up 92% hair, 94.5% puffed rice and 98% flax seeds. On high pile carpet it got 40% hair and 38.5% flax seeds. About 55 dB mopping and 60 dB vacuuming. Called it ideal for hardwood homes. [Source](https://www.tomsguide.com/home/roborock-qv-35s-review)
- Ideal Home: Handled rice, flour, ketchup and dog hair on hard floors, mapped each floor in about 5 min, and had about 40% battery left after the whole house. Weaker on carpet and dog hair in rugs, and the app was buggy at times. [Source](https://www.idealhome.co.uk/house-manual/floorcare/roborock-qv-35s-robot-vacuum-with-mop-review)

## Questions buyers ask

### Which is better, the Dreame L10s Ultra Gen 2 or the Roborock QV 35S?

The Dreame L10s Ultra Gen 2 has a published review score and ranks #14 in our robot vacuums ranking; the Roborock QV 35S is not scored yet. Pick the Dreame L10s Ultra Gen 2 for budget buyers who want a full auto dock. Pick the Roborock QV 35S for mostly hard floor homes on a mid budget.

### Which is cheaper?

The Roborock QV 35S at $550, versus $590 for the Dreame L10s Ultra Gen 2, checked Nov 4, 2026. Over 3 years with running costs: $680 vs $652.

### What is the difference between the L10s Ultra Gen 2 and the QV 35S?

Suction: 10,000 Pa claimed with four to five levels (Dreame, Stuff); no lab suction measurement… on the L10s Ultra Gen 2, 10,000 Pa (Roborock) on the QV 35S. Navigation: Top mounted LiDAR (Stuff); Tom's Guide found its AI routing unpredictable and incomplete… on the L10s Ultra Gen 2, PreciSense LiDAR (Roborock); Ideal Home saw about 5 min mapping per floor on the QV 35S. Obstacle avoidance: 3DAdapt and Smart Pathfinder claimed (Dreame); Tom's Guide saw it often bump walls and… on the L10s Ultra Gen 2, Reactive Tech structured light (Roborock); Ideal Home saw it bump a dumbbell once, then… on the QV 35S.

Full reviews: [Dreame L10s Ultra Gen 2](https://robotsforthat.com/robot/dreame-l10s-ultra-gen-2/index.md), [Roborock QV 35S](https://robotsforthat.com/robot/roborock-qv-35s/index.md)