Xiaomi Mijia Robot Vacuum Cleaner Comparison: Which Model is Best? (H40/M30S/M30 Pro/M40/M40S)
- cici7788404
- Jul 10
- 4 min read
Are Xiaomi Mijia Robot Vacuums Worth Buying?
Xiaomi Group launched its smart home brand Mijia in 2016, partnering with nearly 100 smart hardware companies to provide comprehensive smart living solutions from home service products to intelligent life services. Its smart home appliances have gained widespread recognition from most users, with an increasingly higher market share globally. Xiaomi's robot vacuums are reliable products that have stood the test of the market.
Xiaomi Mijia H40 / M30S / M30 Pro / M40 / M40S Robot Vacuum Cleaner Comparison
Xiaomi Mijia Robot Vacuum H40 [Hair-Cutting Anti-Tangle]
Cleaning Features:
6000Pa strong suction power
4 cleaning modes: sweep-only, mop-only, sweep-then-mop, and simultaneous sweep & mop
Rotating mop pads that mimic hand-press mopping
Oscillating body for edge cleaning
Liftable mop pads that won't wet carpets or dirty floors when returning to base
Anti-Tangle Technology:
Built-in blade roller brush cuts hair in real time before suction into dustbin
Prevents clogging in dust intake channel
Self-Cleaning:
Base station with self-cleaning module automatically washes and low-noise dries mop pads
Integrated wash tray that can be removed for easy cleaning
Navigation & Obstacle Avoidance:
LDS laser navigation + S-Cross structured light obstacle avoidance
Fast mapping and efficient path planning
Large Home Friendly:
5200mAh large battery + 4L water tank
Can wet mop up to 500㎡ in one charge
The Mijia Robot Vacuum H40 is equipped with a 1L dust bag
Purchase Recommendation:Affordable price with complete basic functions, suitable for pet owners and large homes. Can connect to Mijia ecosystem for smart control.
Xiaomi Mijia M30 S OMNI Infinite D103CN [Innovative Robotic Arm]
Cleaning Features:
7300Pa stronger suction with 4 adjustable levels (boost mode for carpets)
Anti-tangle roller brush
Liftable rotating mop
Added robotic arm on mop module that extends for edge and corner cleaning
High-Performance Base Station:
Large capacity antibacterial dust bag + 4L water tank
Up to 60℃ hot water mop washing
As fast as 2-hour hot air drying
Navigation & Obstacle Avoidance:
LDS laser navigation + S-Cross structured light obstacle avoidance
110° laser + edge radar for precise low obstacle detection
Large Home Friendly:
5200mAh battery + 4L water tank
Purchase Recommendation:This model competes with premium models from other brands with comprehensive features and high cost-performance. Auto dust-emptying plus self-cleaning makes it perfect for working professionals in large homes who want to spend less time on chores.
Xiaomi Mijia M30 Pro [All-in-One Base Station]
Cleaning Features:
7000Pa suction power
Liftable rotating mop
Oscillating body for edge cleaning
Upgraded Base Station:
Automatic hair-cutting technology - when returning to base, internal blades rotate at 60 RPM while moving side-to-side to efficiently cut hair tangled on roller brush
60℃ hot water mop washing
As fast as 2-hour hot air drying
4L water tank + large antibacterial dust bag
AI Recognition:
AI camera recognizes 60+ objects (slippers, socks, scales etc.)
Adjusts cleaning strategy based on dirt level
Mijia M30 Pro machine display
Purchase Recommendation:More accurate object recognition plus base station's hair-cutting function makes it ideal for families with children or pets.
Xiaomi Mijia M40 [Strong Suction & Edge Cleaning]
Cleaning Features:
12000Pa flagship-level suction
Anti-tangle roller brush with built-in blades
Dual robotic arms (side brush + mop) that reach corners and edges
Liftable robotic arms with 20mm obstacle climbing ability
Self-Cleaning:
70℃ hot water mop washing (higher temperature dissolves stubborn stains faster)
As fast as 2-hour hot air drying
4L large water tank for extended mopping coverage
Large dust bag with dual-airway auto dust-emptying
Navigation & Obstacle Avoidance:
LDS laser navigation + S-Cross structured light obstacle avoidance
Purchase Recommendation:Suction reaches flagship levels while retaining practical features of previous models. Greatly improves cleaning capability and efficiency while offering premium features at mid-range price. Suitable for those pursuing better cleaning experience.
New Xiaomi Mijia M40 S [Cleaning Low-clearance Spaces]
Cleaning Features:
23000Pa - Xiaomi's strongest suction to date
Dual-blade anti-tangle roller brush
Dual robotic arms for edge cleaning
Ultra-slim body at just 8.8cm height that easily cleans under low furniture
Self-Cleaning:
80℃ hot water mop sterilization
40℃ hot air drying
Base station wash tray with dual-scraper self-cleaning (no hand washing or drying needed)
Navigation & Obstacle Avoidance:
Smart adjustable dToF radar (laser navigation) + wide-angle dual-line laser
Purchase Recommendation:Significantly improved suction over previous generation plus reduced body height to 8.8cm makes it perfect for homes with many furnishings requiring under-furniture cleaning. Enhanced self-cleaning further reduces manual work.
Summary:
Compared to some other brands, Xiaomi's robot vacuums are moderately priced and suitable for families seeking good value. Different models focus on different functions, so choose based on actual household needs. After comparing the Xiaomi Mijia H40, M30S, M30 Pro, M40, and M40S robot vacuum cleaner, you can quickly determine which model is right for you. Important reminder: Regardless of model, regular cleaning/maintenance and part replacement are key to maintaining cleaning efficiency and extending product lifespan. techTongBo is a professional manufacturer of robot vacuum and vacuum cleaner parts that can supply accessories in large quantities.
techTongBo (also named: Nanjing TongBo / NJTB) is a Chinese company specializing in the manufacture and sales of vacuum cleaner accessories. We offer replacement accessories for the global market that are compatible with mainstream vacuum cleaner brands and have stronger price advantages.
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