Home › Compare › Dreame L20 Ultra vs iRobot Roomba j7+
Dreame L20 Ultra vs iRobot Roomba j7+
Dreame's $650 model meets iRobot's $449 model. We tally wins category by category, then call a verdict.
Our recommendation
Dreame L20 Ultra wins on more spec categories (8–2), but iRobot Roomba j7+ undercuts it by $201. Choose Dreame L20 Ultra if you want the better robot; choose iRobot Roomba j7+ if your budget is tight.
Dreame L20 Ultra: 8 category wins iRobot Roomba j7+: 2 category wins
Side by side
Dreame L20 Ultra
$650
iRobot Roomba j7+
$449
Suction
7,000 Pa Win
2,200 Pa
Runtime
210 min Win
90 min
Max coverage
280 m² Win
185 m²
Dustbin
350 ml
400 ml Win
Self-empty dock
Yes
Yes
Mopping
Yes Win
No
Auto-washes mop
Yes Win
No
Auto-refills water
Yes Win
No
Mop lift
10.5 mm Win
N/A
Navigation
LiDAR + RGB
Camera (vSLAM)
Obstacle avoidance
3D structured light
PrecisionVision (AI)
Noise
64 dB Win
68 dB
Height
103 mm
87 mm Win
HEPA filter
Yes
Yes
Carpet boost
Yes
Yes
Smart home
Alexa, Google
Alexa, Google, Siri Shortcuts
Dreame L20 Ultra
Extending mop pads reach into corners, the under-the-radar omni.
Buy on Amazon →
Buy from Dreame →
Prices and availability change frequently. We earn a commission on qualifying purchases.
iRobot Roomba j7+
The pet-poop-guarantee robot, proven obstacle avoidance, no mop.
Buy on Amazon →
Buy from iRobot →
Prices and availability change frequently. We earn a commission on qualifying purchases.
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