Compare Roomba i5+ Combo Robot Vacuum and Mop vs Dreame X40 Ultra Robotic Vacuum

P1 Roomba i5+ Combo Robot Vacuum and Mop
P2 Dreame X40 Ultra Robotic Vacuum

Comparison Takeaways

Roomba i5+ Combo Robot Vacuum and Mop

Where It Has the Edge

  • Aesthetic design and finish is 4.3 vs 3.0. Several reviewers like the two-tone textures and fabric-style top accents, and the clean base design is generally seen...
  • Ongoing ownership costs (bags, filters, batteries) is 4.0 vs 3.0. Bagged self-emptying adds recurring costs, but bags are often described as lasting weeks (up to around 60 days)...
  • Price and Value is 4.1 vs 3.2. Value looks strong when discounted, but at typical pricing the tradeoffs in mopping reliability and navigation features make...
  • Packaging quality is rated 4.8 while the other product has no score yet. Unboxing experiences are positive, with well-organized packaging and clear documentation noted.

Dreame X40 Ultra Robotic Vacuum

Where It Has the Edge

  • Mop lifting system is 4.4 vs 1.0. The mop system can lift during carpet detection and, in some workflows, leave mop pads at the dock...
  • Odor control is 4.4 vs 1.5. Odor control is generally praised because the dock both hot-washes and hot-dries the mop pads, reducing musty smells....
  • Obstacle Avoidance (Robot) is 4.6 vs 1.8. Obstacle avoidance is one of the most consistently celebrated strengths, with multiple sources citing camera and structured-light sensing...
  • Comparative performance is 4.4 vs 2.2. In comparisons, the X40 Ultra is often positioned as a top performer, earning high marks for vacuuming, mopping,...
Average score
Product 1: Roomba i5+ Combo Robot Vacuum...
3.2
Product 2: Dreame X40 Ultra Robotic Vacuum
4.2
Accessories and Tools
Product 1: Roomba i5+ Combo Robot Vacuum...
4.2

Kits commonly include interchangeable bins, a microfiber mop pad, and spare consumables like extra bags or filters depending on the package.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.0

Reviews mention a well-equipped ecosystem with included consumables (bags/cleaning tools/solution) and optional accessories like a hair-cutting roller. Add-ons can improve hair handling but can also add to ownership cost.

Aesthetic design and finish
Product 1: Roomba i5+ Combo Robot Vacuum...
4.3

Several reviewers like the two-tone textures and fabric-style top accents, and the clean base design is generally seen as modern and unobtrusive.

Product 2: Dreame X40 Ultra Robotic Vacuum
3.0

Design opinions are mixed: at least one reviewer says the dock looks dated or appliance-like compared with newer, more aesthetic competitors. Most other reviews focus more on function than finish.

AI, Smart, App and Automation
Product 1: Roomba i5+ Combo Robot Vacuum...
3.2

Scheduling, room cleaning, and voice control are highlights, but the i5+ lacks advanced automation found on higher-end models (such as robust keep-out zones or vision-based avoidance) and some users report map/app quirks.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.4

Automation is a major theme: reviewers cite advanced obstacle avoidance, dirt detection with extra passes, customizable schedules, no-go zones, and pet-focused modes. The tradeoff for all that power is a larger settings surface area, and some reviewers find the app experience less polished.

Area Rug Handling
Product 1: Roomba i5+ Combo Robot Vacuum...
3.0

With the mop bin installed, the robot cannot intelligently avoid rugs, so rug-heavy homes may need manual blocking. As a vacuum, it can traverse typical rugs using its large wheels.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.5

Carpet and rug handling is often praised because the robot can lift the mops and, in some modes, leave mop pads at the dock to avoid wetting textiles. A dissenting note is that mop hardware can still catch on some carpet edges or that pad removal is not always automatic, so settings matter.

Assembly and Setup
Product 1: Roomba i5+ Combo Robot Vacuum...
4.4

Most reviews describe straightforward unboxing and fast app pairing, with minimal friction to get cleaning.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.5

Setup is generally described as quick, with guided app onboarding and fast mapping runs. Reviewers report it is straightforward to get from unboxing to a usable map.

Battery and Charging
Product 1: Roomba i5+ Combo Robot Vacuum...
3.0

Recharge-and-resume is repeatedly referenced, but reported runtimes vary; efficiency can lag behind faster LiDAR robots on whole-home runs.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.5

Battery life is described as long, with a large battery (often cited as 6,400mAh) and support for recharge-and-resume. Reviewers generally expect it to handle larger homes, though thorough mop routines can still take time.

Bin and Bag
Product 1: Roomba i5+ Combo Robot Vacuum...
3.7

The i5+ uses a self-emptying bagged base plus interchangeable bins for vacuum-only vs vacuum-and-mop. Convenience is high, but wet-bin misdetection can contaminate the bag in worst cases.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.1

The dock uses a large disposable dust bag (often cited as 3.2L), reducing how often you deal with dust. However, some reviewers note bag replacement frequency and bag pricing can vary with usage and contribute to ongoing costs.

Build quality and durability
Product 1: Roomba i5+ Combo Robot Vacuum...
2.2

Durability feedback is mixed: some users report broken side brushes within weeks, while others note solid day-to-day operation aside from cosmetic scuffs from bumping.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.0

Only a few sources discuss durability directly, but the comments that do are positive, noting robust wearing parts and a generally well-built feel. No review in the file reports major structural failures.

Carpet — High-Pile Pickup
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.3

At least one review notes noticeably strong performance on thicker or higher-pile carpet due to high suction. Keeping carpets dry is helped by vacuum-only modes, mop lifting, or leaving mop pads at the dock, but some testers still caution about mop height when crossing carpet edges.

Carpet — Low-Pile Pickup
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.3

On low-pile carpet, multiple sources report strong pickup and good deep-clean behavior, though stubborn pet fur may require repeat passes. Overall performance is consistently above average for a robot vacuum-mop.

Carpet — Medium-Pile Pickup
Product 1: Roomba i5+ Combo Robot Vacuum...
3.7

Results vary by reviewer: a controlled comparison measured below-average pickup on carpet, while other reviewers describe excellent carpet cleaning speed and finish.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.7

For embedded debris in carpet, test-driven reviews report above-average deep-clean performance and strong suction delivery. Carpet deep-clean scores are described as near the top tier of current robot vacuums.

Child lock
Product 1: Roomba i5+ Combo Robot Vacuum...
3.5

Mentioned as an available safety feature, though the included reviews do not deeply test it in real households.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.2

A child lock is mentioned as available, helping prevent accidental starts or setting changes. It is treated as a nice-to-have safety feature rather than a core performance driver.

Clogging and debris prevention
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.2

Hair-cutting and brush-lifting behaviors are cited as practical ways to prevent gunk and tangles, especially when the robot encounters wet patches. Reviewers generally frame these as helpful for keeping the cleaning path cleaner and reducing manual cleanup.

Comparative performance
Product 1: Roomba i5+ Combo Robot Vacuum...
2.2

In a sub-$400 comparison, the i5+ scored poorly on carpet pickup and especially on dense-debris auto-emptying versus LiDAR competitors, though other reviewers still liked its carpet results in daily use.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.4

In comparisons, the X40 Ultra is often positioned as a top performer, earning high marks for vacuuming, mopping, and obstacle avoidance versus other flagships. A few reviewers note that the very best competitors are close, so the final choice can come down to price and preferred features.

Controls and UI
Product 1: Roomba i5+ Combo Robot Vacuum...
3.5

Setup and pairing are widely described as easy and the app is simple to use, but advanced controls are limited (e.g., fewer zone/barrier options) and at least one review reported buggy map behavior.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.0

The app offers deep controls (maps, zones, schedules, no-go lines, and automation toggles), and many reviewers find it powerful. A recurring downside is UI complexity: some call it clunky or overwhelming until you tune settings.

Cord management
Product 1: Roomba i5+ Combo Robot Vacuum...
4.5

The clean base is noted to have built-in cable-routing channels to help it sit flush to a wall and keep cords tidy.

Product 2: Dreame X40 Ultra Robotic Vacuum
No score yet
Corner Cleaning (Robot)
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.3

Corner cleaning is repeatedly praised thanks to an extendable side brush and edge-focused routines. Reviewers describe better corner reach than robots that rely on a fixed brush setup.

Dirty water sensor
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.3

Some reviews highlight a dirty-water sensing approach that can trigger extra mop-pad washing or a second cleaning pass when the system detects heavier soil. This feature is presented as a meaningful upgrade for messier kitchens and high-traffic areas.

Docking and Auto-Empty Reliability (Robot)
Product 1: Roomba i5+ Combo Robot Vacuum...
3.4

The base is a major convenience and often works well, but multiple reviews flag failure modes such as poor dense-debris clearing and wet-bin misdetection that can soak the bag/dock.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.2

Docking and auto-empty are generally described as reliable, with a full-service station that empties dust and maintains the mops. One review flags weaker auto-empty suction and higher bag usage than expected, so performance may vary by debris load and settings.

Dock noise
Product 1: Roomba i5+ Combo Robot Vacuum...
2.8

Auto-emptying is frequently described as very loud, but usually only for a short burst per empty cycle.

Product 2: Dreame X40 Ultra Robotic Vacuum
No score yet
Dried-On Stain Removal
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.5

Dried-on mess performance is a standout: multiple reviews describe the spinning mop system and extra-pass behaviors as excellent on sticky or dried spills (such as coffee). It is frequently positioned as among the best moppers in its class.

Ease of use
Product 1: Roomba i5+ Combo Robot Vacuum...
4.1

Day-to-day usability is a recurring pro thanks to self-emptying, scheduling, and simple controls, but the mop workflow (bin swap, pad care) adds friction.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.4

Ease of use is generally high once set up, with strong automation and helpful app guidance. The main usability complaint is that the app and feature set can feel complex at first.

Edge and Baseboard Cleaning (Hard Floors)
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.5

Edge and baseboard cleaning is a consistent strength thanks to an extending mop pad and edge-reaching behaviors. Multiple reviewers highlight noticeably better along-the-wall pickup compared with robots that cannot extend to edges.

Edge‑Following Accuracy (Robot)
Product 1: Roomba i5+ Combo Robot Vacuum...
2.2

Edge work is more bump-driven than precision-guided; some reviewers note clumsy wall interactions and potential scuffs compared with LiDAR or camera bots.

Product 2: Dreame X40 Ultra Robotic Vacuum
No score yet
Emptying and Mess Control
Product 1: Roomba i5+ Combo Robot Vacuum...
1.4

Self-emptying is convenient, but dense debris can be left behind in the robot bin in some tests, and wet-bin emptying mistakes can create mess and odor.

Product 2: Dreame X40 Ultra Robotic Vacuum
No score yet
Floor Drying Time
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.5

One test-focused review notes that after cleaning wet spills the floor was not left overly damp, suggesting good water control. In general, the spinning mop system aims to clean effectively without soaking floors.

Hair Pickup — Carpets
Product 1: Roomba i5+ Combo Robot Vacuum...
1.8

Hair pickup on carpet is inconsistent: one test found it left the most long hair behind, while other reviewers emphasize strong pet-hair handling overall.

Product 2: Dreame X40 Ultra Robotic Vacuum
3.8

Carpet hair pickup gets conflicting feedback: some coverage labels it a top option for homes with pets, but at least one lab-style test found only average fur removal in a single run. Multiple passes, higher suction, and the right brush can matter here.

Hair Pickup — Hard Floors
Product 1: Roomba i5+ Combo Robot Vacuum...
4.0

Users generally report good day-to-day pickup of light pet hair on hard floors, especially when run frequently.

Product 2: Dreame X40 Ultra Robotic Vacuum
3.8

Hair pickup on hard floors is mixed: some reviewers call it excellent for pet hair, while at least one test-focused review found it left a meaningful amount behind without multiple passes. Expect best results with tuned settings and the right brush configuration.

Hair‑Wrap / Tangle Resistance
Product 1: Roomba i5+ Combo Robot Vacuum...
4.0

The dual rubber rollers reduce performance loss from hair tangles, but hair still collects at roller ends and on the side brush and needs periodic clearing.

Product 2: Dreame X40 Ultra Robotic Vacuum
3.8

Tangle resistance is also mixed: long hair can still wrap around the main roller in some reports, but anti-tangle side-brush design and optional hair-cutting rollers are described as effective upgrades. Cleaning hair out is generally considered manageable.

Hard Floor — Fine Dust Pickup
Product 1: Roomba i5+ Combo Robot Vacuum...
4.3

Hard-floor tests and owner reports suggest strong pickup of fine debris like flour and dust, with vacuuming doing more of the work than the mop.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.6

Hard-floor fine debris pickup is described as excellent, with test-style reviews reporting near-perfect results on materials like sand. It is regularly characterized as thorough on hard surfaces.

Hard Floor — Large Debris Intake
Product 1: Roomba i5+ Combo Robot Vacuum...
4.3

Reviews commonly report good intake of crumbs and larger debris on hard floors, especially in vacuum-only mode.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.6

Large-debris pickup on hard floors is generally strong, with high percentages reported in testing and good real-world pickup. A minor recurring note is that a single pass can miss a few crumbs, which is solvable with extra passes or higher settings.

Heating element
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.5

A heated mop-wash is repeatedly mentioned, with hot water used in the dock to clean mop pads and the washboard. Reviewers connect the heating to better mop-pad cleanliness and reduced odor.

Innovation compared to competitors
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.5

Innovation shows up in features like leaving mop pads at the dock, lifting brushes when sensing liquid, edge-extending mops and brushes, camera-assisted stain attention, and sensor-driven re-cleaning. Reviewers frequently call these capabilities differentiators versus simpler robot vacuum-mops.

Low-profile design
Product 1: Roomba i5+ Combo Robot Vacuum...
3.8

At roughly 3.6 inches tall, it is average for modern robots and fits under many, but not all, low-clearance furniture pieces.

Product 2: Dreame X40 Ultra Robotic Vacuum
No score yet
Maintenance requirements
Product 1: Roomba i5+ Combo Robot Vacuum...
2.7

Expect regular upkeep: side-brush hair removal, periodic filter changes, mop-pad washing, and occasional brush replacement; some owners report quicker side-brush wear.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.0

Maintenance is described as low day-to-day because the dock empties dust and washes and dries mop pads automatically. Owners still need to refill clean water, empty dirty water, replace bags, and occasionally wipe sensors and check brushes.

Map and Path Efficiency (Robot Vacuums)
Product 1: Roomba i5+ Combo Robot Vacuum...
3.2

It supports room-based cleaning after learning a map, but efficiency can be weaker than LiDAR bots; one test showed notably longer runs and less confident coverage.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.6

Navigation and mapping are repeatedly described as top-tier, with fast mapping and strong coverage efficiency. Some testers note occasional pattern quirks, but overall it is seen as reliable at completing whole-home cleans.

Mop lifting system
Product 1: Roomba i5+ Combo Robot Vacuum...
1.0

The i5+ does not have an auto-lifting mop; it relies on swapping in a mop bin, which limits carpet safety and automation.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.4

The mop system can lift during carpet detection and, in some workflows, leave mop pads at the dock to keep rugs dry. Most reviewers view this as a major advantage, though one notes the lift height may still snag on some carpet edges.

Mopping performance
Product 1: Roomba i5+ Combo Robot Vacuum...
2.5

Consistently framed as a light, damp-wipe system for day-to-day maintenance. It is not a deep scrubber, and at least one review reports the wet mode failing due to bin detection issues.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.5

Mopping is widely rated as a top-tier strength, driven by spinning pads, edge extension, and options for extra passes on dirtier areas. Some reviewers caution that the most aggressive automated modes can be overkill on delicate finishes until tuned.

Noise level
Product 1: Roomba i5+ Combo Robot Vacuum...
3.0

Cleaning noise is described as typical, but the robot can be loud when bumping into objects and the base’s emptying cycle is often called a jet-engine-like burst.

Product 2: Dreame X40 Ultra Robotic Vacuum
3.4

Noise is acceptable on lower settings but becomes noticeably loud at maximum suction, which some reviewers frame as the cost of stronger vacuuming. One lab-style test measured it as louder than average, and reviewers recommend scheduling loud runs when you are out.

Obstacle Avoidance (Robot)
Product 1: Roomba i5+ Combo Robot Vacuum...
1.8

Obstacle avoidance is limited without a front camera: tests show poor cord and pet-waste avoidance, though cliff sensors help prevent falls on stairs.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.6

Obstacle avoidance is one of the most consistently celebrated strengths, with multiple sources citing camera and structured-light sensing and near-perfect avoidance results. Cables can still be a challenge for any robot, but overall confidence is high.

Odor control
Product 1: Roomba i5+ Combo Robot Vacuum...
1.5

Dry debris generally stays contained in the bagged base, but a reported wet-bin emptying mishap led to lingering odor for one owner.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.4

Odor control is generally praised because the dock both hot-washes and hot-dries the mop pads, reducing musty smells. This is repeatedly mentioned as helpful for keeping the system from getting funky between cleanings.

Ongoing ownership costs (bags, filters, batteries)
Product 1: Roomba i5+ Combo Robot Vacuum...
4.0

Bagged self-emptying adds recurring costs, but bags are often described as lasting weeks (up to around 60 days) so annual cost can be modest; brushes and filters may add extra upkeep.

Product 2: Dreame X40 Ultra Robotic Vacuum
3.0

Running costs come up as a concern in some coverage, mainly around disposable dust bags and other consumables. Reviewers recommend factoring consumables into ownership cost, even if day-to-day maintenance is low.

Overall opinion
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.4

Overall sentiment is strongly positive, with several sources ranking it at or near the top among flagship robot vacuum-mops. The most common reservations are the high price, the size of the dock, and mixed reports on pet-hair pickup consistency.

Packaging quality
Product 1: Roomba i5+ Combo Robot Vacuum...
4.8

Unboxing experiences are positive, with well-organized packaging and clear documentation noted.

Product 2: Dreame X40 Ultra Robotic Vacuum
No score yet
Pet-Ready Features
Product 1: Roomba i5+ Combo Robot Vacuum...
3.8

Dual rubber rollers and self-emptying reduce hands-on pet-hair cleanup, but the i5+ lacks camera-based pet-waste avoidance, so homes with pets still need pre-tidying.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.6

Pet-oriented features are a highlight: reviewers mention pet zones, avoidance of bowls and toys, and camera-based monitoring (including two-way video in some coverage). Performance with pet hair is more mixed, but overall the feature set is considered very pet-friendly.

Price and Value
Product 1: Roomba i5+ Combo Robot Vacuum...
4.1

Value looks strong when discounted, but at typical pricing the tradeoffs in mopping reliability and navigation features make some competitors more compelling.

Product 2: Dreame X40 Ultra Robotic Vacuum
3.2

Price is the most consistent negative: several reviews describe it as a premium, top-of-the-market model. Many still consider the performance and automation strong enough to justify it for the right home, especially when discounted, but value is weaker for budget shoppers.

Sanitizing performance
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.6

Sanitizing claims are tied mainly to the dock washing mop pads with very hot water (often stated around 158F). Reviews treat this as a hygiene win for the mop pads, not a guarantee of disinfecting the entire floor.

Self-cleaning cycle
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.5

The dock self-cleans and maintains the mopping system by washing pads and the washboard and drying with hot air, often with scrapers and repeat-clean logic. This is repeatedly credited for reducing hands-on upkeep and improving hygiene.

Software-update support / feature longevity
Product 1: Roomba i5+ Combo Robot Vacuum...
3.7

One reviewer highlights iRobot’s focus on ongoing software updates, though the i5+ platform remains feature-limited compared with higher-end Roombas.

Product 2: Dreame X40 Ultra Robotic Vacuum
No score yet
Solution / Liquid system
Product 1: Roomba i5+ Combo Robot Vacuum...
1.9

The liquid system is basic with limited control (often described as gravity-fed) and no auto-refill; wet-bin auto-detection can be finicky, with some reports of messy failures.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.1

The solution system is frequently mentioned but described differently across sources: it can wash pads with detergent and, in some coverage, dispense floor-cleaning fluid. At least one reviewer notes detergent may be used mainly for mop-pad washing rather than being mixed into the floor water by default.

Storage footprint and upright-stand stability
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
3.3

Multiple reviewers call out the dock as large and space-consuming, even if the footprint is described as relatively slim in one write-up. Plan for a dedicated spot, especially if you are in a small apartment.

Streaking / Residue
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.0

Residue and streak control depends on settings: reviewers mention choosing mopping direction or dialing back aggressive modes to avoid over-mopping certain finishes. When configured, most describe clean results without problematic streaking.

Stuck resistance
Product 1: Roomba i5+ Combo Robot Vacuum...
No score yet
Product 2: Dreame X40 Ultra Robotic Vacuum
4.4

Reviewers report good stuck resistance, including handling taller thresholds (often cited around 22mm) and completing coverage without frequent rescues. As with most robots, extreme clutter can still cause interruptions, but it is rated highly here.

Suction and Airflow
Product 1: Roomba i5+ Combo Robot Vacuum...
3.5

Measured airflow is described as modest in one review, but iRobot’s dual-rubber-roller system is repeatedly credited with strong real-world pickup on carpet and hard floors.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.5

Across reviewers, suction is repeatedly described as flagship-level, with strong debris pickup on both hard floors and carpets. Several sources cite 12,000Pa suction and top-tier vacuuming results, though max power can be loud and auto-empty strength at the dock is not praised by everyone.

Under-Furniture Pickup
Product 1: Roomba i5+ Combo Robot Vacuum...
3.8

Average robot height enables reasonable under-furniture reach for routine dusting, though it will not match ultra-low models.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.5

Under-furniture performance is frequently highlighted, especially around the base of cabinets and appliances where hair and debris collect. Extendable side reach behaviors help it pull debris from areas many robots miss.

Water tank
Product 1: Roomba i5+ Combo Robot Vacuum...
3.0

Reported tank sizes are small-to-middling for a combo robot, suitable for light maintenance passes rather than large-area wet cleaning.

Product 2: Dreame X40 Ultra Robotic Vacuum
4.0

The system relies on clean and dirty water tanks in the dock and an internal water tank in the robot, which keeps mopping more automated than vacuum-only robots. Expect periodic refills and dirty-water emptying, and some coverage mentions a future-leaning option for auto fill and drain via plumbing.