Dreame D20 Plus
For carpeted homes on a budget that want long runs and a self-emptying dock; skip it if you need real mopping or obstacle avoidance.
Amazon $309.99$309.99
The Dreame D20 Plus rates 3.8 among vacuum and mop robot vacuums; the Roborock Qrevo Slim rates 3.5 among self-cleaning dock ones. The Dreame D20 Plus costs $1,090 less ($309.99 vs $1,399.99).
Roborock Qrevo Slim
Only worth it deeply discounted for very low furniture; newer slim Roborocks clean better for less.
Amazon $1,399.99$1,399.99
Prices were last checked October 26, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different type classes (vacuum and mop and self-cleaning dock), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Dreame D20 Plus | Roborock Qrevo Slim |
|---|---|---|
| Overall rating | 3.8/5 | 3.5/5 |
| Cleaning 30% | 91 measured 93% of sand from carpet, 91% of pet hair, no hair tangled | 40 measured 76% of sand from carpet, 80% of pet hair, some hair tangled (0.2) |
| Value 25% | 73 $310 | 15 $1,400 |
| Dock 20% | 44 Self-empties the bin | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent, optional water hookup |
| Navigation 15% | 65 LiDAR | 100 LiDAR + camera |
| Mopping 10% | 10 Static pad | 76 Dual spinning pads, lifts 10 mm, extends to edges |
Independent tests
Dreame D20 Plus
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 93% | 91% | 0 | 2,761 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). |
Roborock Qrevo Slim
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 76% | 80% | 0.2 | 1,160 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). |
Specifications
| Dreame D20 Plus | Roborock Qrevo Slim | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 13,000 Pa | 11,000 Pa |
| Main brush | HyperStream Detangling DuoBrush (bristled rubber brush plus TPU rubber brush) | DuoRoller Riser all-rubber brushes |
| Dustbin | 500 mL | 220 mL |
| Extending side brush | - | Yes |
| Mopping | ||
| Mop | Static pad | Dual spinning pads, lifts 10 mm, extends to edges |
| Mop lift | - | 10 mm |
| Leaves mop at dock | - | No |
| Extending mop | - | Yes |
| Water tank | 350 mL | 72 mL |
| Dock | ||
| Dock | Self-empty | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 5 L | - |
| Washes mop | No | Yes |
| Hot-water wash | No | Yes |
| Hot-air drying | No | Yes |
| Detergent dosing | No | Yes |
| Water hookup option | - | Yes |
| Navigation & app | ||
| Navigation | LiDAR | LiDAR + camera |
| Obstacle avoidance | - | 3D sensors and RGB camera |
| Climbs thresholds | - | 20 mm |
| Matter | - | Yes |
| Voice assistants | Alexa, Siri, Google Home | Alexa, Google Assistant, Siri |
| Build | ||
| Height | 3.8 in (96.5 mm) | 3.2 in (82 mm) |
| Retracting LiDAR | - | No |
| Battery | 5,200 mAh | 5,200 mAh |
| Run time | Up to 4 h 45 min | Up to 3 h |
| Weight | 7.7 lb (3.5 kg) | 9 lb (4.1 kg) |
| Warranty | 3 years | 1 year |
| Released | - | 2024-09 |