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Why is iRobot Roomba Combo j9 Plus better that Dreame X40 Master?

Main Features parametrs

(How do we count?)
  • 1
    Cleaning Area
    2500sq. ft. (50 points) info vs 3315sq. ft. (66 points) info
  • 2
    Dustbin Capacity
    300ml (39 points) info vs 300ml (39 points) info
  • 3
    Estimated empty time
    60days (40 points) info vs 100days (67 points) info
  • 4
    Noise Level
    63dB (15 points) info vs 60dB (19 points) info
  • 5
    Suction Power
    5000Pa (23 points) info vs 12000Pa (55 points) info

User reviews

iRobot Roomba Combo j9 Plus
Dreame X40 Master

Reddit Reviews

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price comparison

Product name
Price
Marketplace
Seller and Condition
iRobot Roomba Combo j9 Plus
Price
416.8$799.99$$
Marketplace
amazon
Seller and Condition
AmazonNew
View in shop
line
vs
Dreame X40 Master
Price
1099.99$
Marketplace
amazon
Seller and Condition
AmazonNew
View in shop
iRobot Roomba Combo j9 Plus
Price
480.11$
Marketplace
amazon
Seller and Condition
3rd PartyUsed
View in shop
iRobot Roomba Combo j9 Plus
Price
416.8$
Marketplace
amazon
Seller and Condition
3rd PartyUsed
View in shop
Dreame X40 Master
Price
1099.99$
Marketplace
amazon
Seller and Condition
3rd PartyNew
View in shop

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Average Price per Month

The chart displays prices for each month.

Data for the chart is sourced from public sources.

iRobot Roomba Combo j9 Plus

AmazonNew
NOW! 416.8$799.99$

iRobot Roomba Combo j9 Plus

3rd PartyUsed
NOW! 480.11$

iRobot Roomba Combo j9 Plus

3rd PartyUsed
NOW! 416.8$
line
vs

Dreame X40 Master

AmazonNew
NOW! 1099.99$

Dreame X40 Master

3rd PartyNew
NOW! 1099.99$

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Main Features

info

Suction Power

5000 Pa
12000 Pa
info

Cleaning Area

2500 sq. ft.
3315 sq. ft.
info

Noise Level

63 dB
60 dB
info

Dustbin Capacity

300 ml
300 ml
info

Estimated empty time

60 days
100 days
info

Dustbin Capacity (Dock)

2.4 l
4.2 l
info

Water Tank Capacity

170 ml
80 ml
info

Clean Water Tank (Dock)

Unknown l
4.5 l
info

Anti-Allergen System

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Auto Dirt Disposal

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Multi-floor Mapping

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Edge Cleaning

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Real-Time Mapping

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Scheduled Cleaning

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Self-Emptying Base

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Surface Recommendation

Hardwood, Tile, Carpet
Hardwood, Tile, Carpet
info

Voice Control

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Wet/Dry Cleaning

Dry, Wet, Wet/Dry
Dry, Wet, Wet/Dry
info

Type of charging station

All-in-One Station
All-in-One Station
info

Brand

Unknown.
Dreame
info

Dirt Water Tank (Dock)

Unknown l
4 l

Cleaning System

info

Anti-Tangle Technology

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Mopping Functionality

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Carpet Boost

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Brushroll

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Auto Hot Water Mop Washing

Unknown ℉
158 ℉
info

Auto Refilling

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Auto-lifting Mop

Unknown mm
10 mm
info

Downward Pressure

Unknown N
Unknown N
info

Main Brush

Unknown.
Rubber Brush, TriCut Brush
info

Number of mopping pads

1
2
info

Rotating Mop

Unknown RPM
Unknown RPM
info

Self Washing and Drying

Unknown.
Hot Water Mop Washing, Hot Air Drying

Navigation systems

info

Navigation System

iAdapt®
LDS
info

Cliff/Drop Sensors

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Dirt Detection Sensors

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Multi-Room Cleaning

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Floor Type Detection

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Obstacle Detection Sensors

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Room Mapping Capability

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Obstacle Avoidance

Unknown.
3D Structured Light

Connectivity & Control

info

Cleaning History

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Compatible with Alexa

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Compatible with Google Assistant

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Real-Time Monitoring

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Mobile App

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Type Wi-Fi

2.4 GHz, 5 GHz
2.4 GHz
info

Zone Cleaning via App

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Wi-Fi

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Auto-Return to Base

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

No-Go Zones

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Smart Watch Control

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Video Monitoring

iRobot Roomba Combo j9 Plus
Dreame X40 Master

Battery

info

Max Runtime

115 min.
198 min.
info

Charging Time

3 h
4.5 h
info

Battery Capacity

4460 mAh
6400 mAh
info

Auto Recharge & Resume

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Energy Efficiency Mode

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Removable Battery

iRobot Roomba Combo j9 Plus
Dreame X40 Master

Dustbin & Filters

info

Dust Compression

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

HEPA Filter

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Full Bin Indicator

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Odor Control

iRobot Roomba Combo j9 Plus
Dreame X40 Master

Design

info

Length

Unknown ″
Unknown ″
info

Height

Unknown "
Unknown "
info

Width

Unknown "
Unknown "
info

Compactness

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Weight

Unknown lbs
57.9 lbs
info

Color Options

black
black
info

Display Screen

iRobot Roomba Combo j9 Plus
Dreame X40 Master
info

Robot Dimension (L x W x H)

Unknown.
13.78 x 13.78 x 4.09 in
info

Station Dimension (L x W x H)

Unknown.
19.09 x 16.77 x 11.02in
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Which are the best Robot vacuum cleaners?

1
ECOVACS DEEBOT N10 PLUS
2
Roborock S8 Max Ultra
3
Shark RV2820AE Detect Pro
4
iRobot Roomba 692
5
Roborock S8+
6
iRobot Roomba S9 (9150)
7
iRobot Roomba j7 (7150)
8
Dreame L40 Ultra
9
Dreame X40 Ultra
10
iRobot Roomba 694

About

Hi! My name is Richard. I like new technologies that make our life easier! I've decided writing this blog about smart technologies which help us everyday and I hope you will like my reviews.

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Today Proposition:
Amazon new
---

Often compared with...

ECOVACS DEEBOT T50 MAX PRO Omni
ECOVACS DEEBOT N10 PLUS
Roborock S8 Max Ultra
Shark RV2820AE Detect Pro
iRobot Roomba 692
Roborock S8+
iRobot Roomba S9 (9150)
iRobot Roomba j7 (7150)
Dreame L40 Ultra
Dreame X40 Ultra