Best Robot Vacuums is reader-supported. When you buy through links on our site, we may earn a commission. Details.

We may earn a commission when you buy through links on this page. Learn more.

Dreame L20 Ultra vs Shark PowerDetect 2-in-1 (RV2820YE)

The Shark PowerDetect 2-in-1 (RV2820YE) wins with a score of 8.6/10. Best for: Anyone wanting Shark's best vacuum performance with 60-day hands-off operation.

Dreame L20 Ultra

8.2/10$799

Flagship mopping performance with MopExtend edge cleaning and hot water wash, now at an exceptional value

WinnerShark PowerDetect 2-in-1 (RV2820YE) robot vacuum

Shark PowerDetect 2-in-1 (RV2820YE)

8.6/10$899

Vacuum Wars' best all-around Shark — 95% on hardwood, 90% on carpet, with NeverTouch base that auto-empties, refills water, and washes the mop.

Score Comparison

Dreame L20 UltraShark PowerDetect 2-in-1 (RV2820YE)
Overall
8.2
8.6
Hard Floor
8.5
9.5
Carpet
7.5
9.0
Mopping
9.2
8.0
Navigation
8.3
8.8
Noise
8.8
8.0
Smart Features
7.8
7.8
Maintenance
8.0
9.0

Specifications

Dreame L20 UltraSpecShark PowerDetect 2-in-1 (RV2820YE)
$799Price$899
7000Suction (Pa)6000
6400Battery (mAh)5200
63.0Noise (dB)67.0
Dustbin (ml)
Water Tank (ml)
Mop Lift (mm)
Height (mm)
Weight (kg)
LiDAR + AI CameraNavigationLiDAR + 3D Structured Light
Self-Empty
Self-Wash Mop
Self-Dry Mop
AI Obstacle

Pros & Cons

Dreame L20 Ultra

Shark PowerDetect 2-in-1 (RV2820YE)

Pros
  • + Best vacuum performance in Shark's lineup (95% hardwood, 90% carpet)
  • + NeverTouch Pro base auto-empties + refills + washes mop
  • + 60-day debris capacity, 30-day water tank
  • + Auto mop lift on carpet (38mm threshold clearance)
  • + Strong with pet hair (90%+)
Cons
  • No hot-water mop wash (no UV either)
  • Suction below average for super-fine debris like flour
  • App is buggy and slow
  • $899 is a lot for a non-flagship

The Verdict

The Shark PowerDetect 2-in-1 (RV2820YE) is the better choice with an overall score of 8.6/10 — best for anyone wanting shark's best vacuum performance with 60-day hands-off operation. The Dreame L20 Ultra is more affordable at $799 vs $899.

Dreame L20 Ultra vs Shark PowerDetect 2-in-1 (RV2820YE): Which Robot Vacuum is Better? | Best Robot Vacuums