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2026 comparison
Updated Jan 27, 2026
|Sources: Amazon, Manufacturer

Roborock S8 Pro Ultra Robot Vacuum and Mop vs iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop

The Roborock S8 Pro Ultra Robot Vacuum and Mop is the flagship model, boasting superior suction power of 6000 Pa compared to the iRobot Roomba Combo i5+'s 10x Power-Lifting. If you're serious about cleaning efficiency, the Roborock is worth considering, especially with its impressive 180 minutes of runtime. In real-world use, the Roborock's advanced features like the RockDock Ultra for hands-free maintenance can save you significant time. However, if you're on a budget and prefer a self-emptying base that handles dirt for up to 60 days, the iRobot Roomba Combo i5+ remains a decent choice despite its limitations in suction power and runtime. Key specs: Weight: 169.32 oz vs 112.17 oz and Suction Power: 6000 Pa vs 10x Power-Lifting Suction.

Why compare these? The Roborock S8 Pro Ultra Robot Vacuum and Mop (premium flagship) and iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop (mid-range) represent different approaches to robot vacuums. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.

⚖️ Weight: 169.32 oz vs 112.17 oz📏 Dimensions: 13.90" x 13.80" vs 13.40" x 13.47"🔋 Runtime: 180 min vs 90 min

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Key Differences at a Glance

AspectRoborock S8iRobot Roomba
User Rating4★ (861 reviews)3.1★ (3,055 reviews)
Top StrengthTruly hands-off maintenance with the all-in-one RockDock Ultra (Washes, Dries, Refills, Empties)Clean Base® provides weeks of hands-free vacuum maintenance
Main DrawbackHigh price point places it firmly in the luxury tierMust manually swap the dustbin to switch between vacuuming and mopping modes
Market PositionFlagshipMid-range
Roborock S8 Pro Ultra Robot Vacuum and Mop
Navigation

PreciSense LiDAR Navigation (Systematic route planning with adaptive algorithms).

Mapping

LiDAR mapping (3D Mapping, Matrix Map, Quick Mapping, Multi-level mapping up to 4 floors).

Obstacle Avoidance

Reactive 3D Obstacle Avoidance (Structured light + 3D infrared imaging; privacy-focused).

Suction Pa

6,000 Pa (HyperForce Suction)

See Today's Price
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
Navigation

Gyro-based Navigation with Floor Tracking Sensors (Cleans in neat, efficient rows).

Mapping

Imprint® Smart Mapping (Learns floor plan, allows Room-Specific cleaning; Note: Does NOT support Keep Out Zones or No-Go Zones).

Obstacle Avoidance

Standard sensor-based avoidance (Bumper, Wall, and Cliff sensors; No AI object recognition for cords/waste).

Suction Pa

Not published (Rated 10x Power-Lifting Suction vs. Roomba 600 Series).

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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Cleaning9 specs
Suction PowerKey
Roborock S8 Pro Ultra Robot Vacuum and Mop
6,000 Pa (HyperForce Suction)
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
Not published (Rated 10x Power-Lifting Suction vs. Roomba 600 Series).
MoppingKey
Roborock S8 Pro Ultra Robot Vacuum and Mop
VibraRise 2.0 Sonic Mopping (Dual vibration modules scrubbing at 3,000 times/min with consistent pressure).
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
Interchangeable Roomba Combo® Bin (Passive gravity-fed wicking system; requires manual bin swap to switch modes).
Dustbin Capacity
Roborock S8 Pro Ultra Robot Vacuum and Mop
0.09 gal (350 mL) — Internal bin
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
0.10 gal (360 mL) with Vacuum Bin / 0.07 gal (276 mL) with Combo Bin.
Brush System
Roborock S8 Pro Ultra Robot Vacuum and Mop
DuoRoller Riser Brush (Dual counter-rotating rubber brushes that automatically lift for mopping-only mode).
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
Dual Multi-Surface Rubber Brushes (Patented design adjusts to floor type and resists hair tangles) + Edge-Sweeping Brush.
Mop Lift
Roborock S8 Pro Ultra Robot Vacuum and Mop
0.20" (5 mm) Automatic Mop Lifting
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
No (Mop pad stays in contact with floor; must manually skip carpeted rooms in app when Mopping Bin is installed).
Mop Wash
Roborock S8 Pro Ultra Robot Vacuum and Mop
Yes (Automatic mop washing during and after cleaning)
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
No
Mop Dry
Roborock S8 Pro Ultra Robot Vacuum and Mop
Yes (Warm Air Drying for mop and dock base)
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
No
Carpet Boost
Roborock S8 Pro Ultra Robot Vacuum and Mop
Carpet Boost+ System (Ultrasonic detection, brush lifting, and suction boost).
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
No
Water Tank
Roborock S8 Pro Ultra Robot Vacuum and Mop
0.05 gal (200 mL) — Internal tank (Auto-refilled by dock)
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
0.05 gal (210 mL) — Integrated into Combo Bin
Navigation4 specs
NavigationKey
Roborock S8 Pro Ultra Robot Vacuum and Mop
PreciSense LiDAR Navigation (Systematic route planning with adaptive algorithms).
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
Gyro-based Navigation with Floor Tracking Sensors (Cleans in neat, efficient rows).
Obstacle Avoidance
Roborock S8 Pro Ultra Robot Vacuum and Mop
Reactive 3D Obstacle Avoidance (Structured light + 3D infrared imaging; privacy-focused).
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
Standard sensor-based avoidance (Bumper, Wall, and Cliff sensors; No AI object recognition for cords/waste).
Mapping
Roborock S8 Pro Ultra Robot Vacuum and Mop
LiDAR mapping (3D Mapping, Matrix Map, Quick Mapping, Multi-level mapping up to 4 floors).
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
Imprint® Smart Mapping (Learns floor plan, allows Room-Specific cleaning; Note: Does NOT support Keep Out Zones or No-Go Zones).
Multi-Floor
Roborock S8 Pro Ultra Robot Vacuum and Mop
Yes (Up to 4 map levels).
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
Yes (Stores one Smart Map for room cleaning).
Battery2 specs
RuntimeKey
Roborock S8 Pro Ultra Robot Vacuum and Mop
Up to 180 min (Quiet Mode)
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
Up to 90 min (Supports Recharge and Resume to finish the job).
Battery
Roborock S8 Pro Ultra Robot Vacuum and Mop
14.4V / 5200 mAh Lithium-ion
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
Lithium-ion (Approx. 1800-2210 mAh)
Dock2 specs
Auto Empty
Roborock S8 Pro Ultra Robot Vacuum and Mop
Yes
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
Yes (Clean Base® holds up to 60 days of debris; Note: Auto-empty works ONLY with Vacuum Bin, not Combo Bin).
Dock Type
Roborock S8 Pro Ultra Robot Vacuum and Mop
RockDock Ultra (Emptying, Washing, Drying, Refilling, Self-Cleaning). Tanks: 3.5L Clean Water, 2.9L Dirty Water, 2.5L Dust Bag. Dims: 16.8" x 20.2" x 17.7".
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
Clean Base® Automatic Dirt Disposal (12.2" W x 15.8" D x 13.3" H).
Design2 specs
Noise Level
Roborock S8 Pro Ultra Robot Vacuum and Mop
68.5 dB (Balanced Mode)
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
Approx. 68-70 dB
Height
Roborock S8 Pro Ultra Robot Vacuum and Mop
3.80" (96.5 mm)
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
3.60" (92 mm)
Smart1 specs
App Features
Roborock S8 Pro Ultra Robot Vacuum and Mop
Roborock App (Smart No-Go Zones, Deep Carpet Cleaning, Floor Direction Cleaning, Off-Peak Charging).
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop
iRobot Home App (Clean by Room, Schedules, Favorites, Seasonal Recommendations).
+

Full specs, pros, and cons

Everything side-by-side with ratings and the full spec list.

Comparison: Roborock S8 Pro Ultra Robot Vacuum and Mop vs iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop

Roborock S8 Pro Ultra Robot Vacuum and Mop

Roborock S8 Pro Ultra Robot Vacuum and Mop

4(861)Amazon
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop

iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop

3.1(3,055)Amazon
Roborock S8 Pro Ultra Robot Vacuum and Mop

Roborock S8 Pro Ultra Robot Vacuum and Mop

4(861)Amazon
Navigation

PreciSense LiDAR Navigation (Systematic route planning with adaptive algorithms).

Mapping

LiDAR mapping (3D Mapping, Matrix Map, Quick Mapping, Multi-level mapping up to 4 floors).

Obstacle Avoidance

Reactive 3D Obstacle Avoidance (Structured light + 3D infrared imaging; privacy-focused).

Suction Pa

6,000 Pa (HyperForce Suction)

Brush System

DuoRoller Riser Brush (Dual counter-rotating rubber brushes that automatically lift for mopping-only mode).

Mopping

VibraRise 2.0 Sonic Mopping (Dual vibration modules scrubbing at 3,000 times/min with consistent pressure).

Pros

  • Truly hands-off maintenance with the all-in-one RockDock Ultra (Washes, Dries, Refills, Empties)
  • DuoRoller Riser brushes resist hair tangles and lift up for quiet mopping

Cons

  • High price point places it firmly in the luxury tier
  • Lacks an RGB camera for live video monitoring (unlike the S7 MaxV)
iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop

iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop

3.1(3,055)Amazon
Navigation

Gyro-based Navigation with Floor Tracking Sensors (Cleans in neat, efficient rows).

Mapping

Imprint® Smart Mapping (Learns floor plan, allows Room-Specific cleaning; Note: Does NOT support Keep Out Zones or No-Go Zones).

Obstacle Avoidance

Standard sensor-based avoidance (Bumper, Wall, and Cliff sensors; No AI object recognition for cords/waste).

Suction Pa

Not published (Rated 10x Power-Lifting Suction vs. Roomba 600 Series).

Brush System

Dual Multi-Surface Rubber Brushes (Patented design adjusts to floor type and resists hair tangles) + Edge-Sweeping Brush.

Mopping

Interchangeable Roomba Combo® Bin (Passive gravity-fed wicking system; requires manual bin swap to switch modes).

Pros

  • Clean Base® provides weeks of hands-free vacuum maintenance
  • Dual Multi-Surface Rubber Brushes are industry-leading for hair and carpet agitation

Cons

  • Must manually swap the dustbin to switch between vacuuming and mopping modes
  • No Keep-Out Zones or No-Go Zones supported (unlike j7/j9 series)

Which one is better?

The Roborock S8 Pro Ultra is the better buy for most people - its 6000 Pa suction power crushes the iRobot Roomba Combo i5+.

Who should buy each?

Choose the Roborock S8 Pro Ultra Robot Vacuum and Mop if: you want 6000 Pa suction power for deep cleaning, desire 180 minutes of runtime for larger areas, or prefer hands-off maintenance with the RockDock Ultra.
Choose the iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop if: you want a budget-friendly option, need a self-emptying base for weeks of maintenance, or prefer a lighter design for easier handling. (112.17 oz weight)

A

Quality Seekers

Higher user rating (4★ vs 3.1★) indicates better overall satisfaction

→ Choose Roborock S8

B

Safe Choice Buyers

More widely tested with 3,055 reviews vs 861

→ Choose iRobot Roomba

A

Premium Buyers

Higher-tier option with more premium features and build quality

→ Choose Roborock S8

B

Value Seekers

Better value proposition for buyers who don't need top-tier features

→ Choose iRobot Roomba

Conclusion

We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.

Bottom line: The Roborock S8 Pro Ultra Robot Vacuum and Mop edges ahead with a 4★ rating compared to 3.1★. However, iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop remains a strong contender if its strengths align better with your needs.

Frequently Asked Questions

+Which is better: Roborock S8 Pro Ultra Robot Vacuum and Mop or iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop?

Roborock S8 Pro Ultra Robot Vacuum and Mop is the better choice if you prioritize truly hands-off maintenance with the all-in-one rockdock ultra (washes, dries, refills, empties). iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop wins if you value clean base® provides weeks of hands-free vacuum maintenance. Both are rated highly (4★ vs 3.1★), so consider your specific needs and budget.

+What are the main differences between Roborock S8 Pro Ultra Robot Vacuum and Mop and iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop?

Key differences: Roborock S8 Pro Ultra Robot Vacuum and Mop offers truly hands-off maintenance with the all-in-one rockdock ultra (washes, dries, refills, empties), while iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop stands out with clean base® provides weeks of hands-free vacuum maintenance. Consider that Roborock S8 Pro Ultra Robot Vacuum and Mop high price point places it firmly in the luxury tier. Meanwhile, iRobot Roomba Combo i5+ Self-Emptying Robot Vacuum and Mop must manually swap the dustbin to switch between vacuuming and mopping modes. Check the detailed specs table above for a complete comparison.

+Where can US buyers get the best price?

For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.

+Is this comparison up to date?

Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 27, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.

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