Roborock S8 Pro Ultra Robot Vacuum and Mop vs iRobot Roomba Vac Essential Robot Vacuum
If you are torn between Roborock S8 Pro Ultra Robot Vacuum and Mop and iRobot Roomba Vac Essential Robot Vacuum, this breakdown is for you. We compare specs, pros, and cons so you can decide confidently.
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Roborock S8 Pro Ultra Robot Vacuum and Mop

iRobot Roomba Vac Essential Robot Vacuum
Comparison: Roborock S8 Pro Ultra Robot Vacuum and Mop vs iRobot Roomba Vac Essential Robot Vacuum

Roborock S8 Pro Ultra Robot Vacuum and Mop

iRobot Roomba Vac Essential Robot Vacuum
| Criterion | Roborock S8 Pro Ultra Robot Vacuum and Mop | iRobot Roomba Vac Essential Robot Vacuum |
|---|---|---|
| Rating | ★4.1(856)Amazon | ★4(51,777)Amazon |
Navigation | PreciSense LiDAR Navigation (Systematic route planning with adaptive algorithms). | Smart navigation (Gyroscopes/Optical) cleans in neat rows; sensors navigate around furniture and avoid stairs. |
Mapping | LiDAR mapping (3D Mapping, Matrix Map, Quick Mapping, Multi-level mapping up to 4 floors). | Clean Map® report (View-only coverage report in iRobot Home App; no persistent mapping). |
Obstacle Avoidance | Reactive 3D Obstacle Avoidance (Structured light + 3D infrared imaging; privacy-focused). | Basic sensor-based avoidance for furniture/stairs (no camera/LiDAR AI object recognition). |
Suction Pa | 6,000 Pa (HyperForce Suction) | Not specified (3 suction power levels) |
Brush System | DuoRoller Riser Brush (Dual counter-rotating rubber brushes that automatically lift for mopping-only mode). | 3-Stage Cleaning System with Multi-Surface V-shaped main brush + Edge-Sweeping brush. |
Mopping | VibraRise 2.0 Sonic Mopping (Dual vibration modules scrubbing at 3,000 times/min with consistent pressure). | No |
Mop Lift | 0.20" (5 mm) Automatic Mop Lifting | N/A (No mopping) |
Carpet Boost | Carpet Boost+ System (Ultrasonic detection, brush lifting, and suction boost). | No automatic boost (Manual control: 3 suction levels). |
Battery | 14.4V / 5200 mAh Lithium-ion | Lithium-ion (2600 mAh) |
Runtime | Up to 180 min (Quiet Mode) | Up to 120 min |
Charging Time | Approx. 4 hours (Supports 30% Fast Charging) | Approx. 4 hours |
Dustbin | 0.09 gal (350 mL) — Internal bin | 0.10 gal (approx. 400 mL) |
Water Tank | 0.05 gal (200 mL) — Internal tank (Auto-refilled by dock) | N/A (No mopping) |
Auto Empty | Yes | No |
Dock Type | 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". | Charging Dock (Standard Home Base) |
Mop Wash | Yes (Automatic mop washing during and after cleaning) | N/A (No mopping) |
Mop Dry | Yes (Warm Air Drying for mop and dock base) | N/A (No mopping) |
Filtration | E11 Rated Washable Filter | High-Efficiency Filter |
Noise Level | 68.5 dB (Balanced Mode) | Not specified |
App Features | Roborock App (Smart No-Go Zones, Deep Carpet Cleaning, Floor Direction Cleaning, Off-Peak Charging). | iRobot Home App: Clean While I'm Away, suggested schedules, Clean Map® report, spot cleaning. |
Voice Assistants | Amazon Alexa, Google Home, Apple Siri Shortcuts. | Alexa, Google Assistant, Siri |
Multi Floor | Yes (Up to 4 map levels). | No (Does not store maps) |
Threshold Climb | 0.79" (20 mm) | 0.625" (5/8 in) |
Height | 3.80" (96.5 mm) | 3.15" |
Dimensions | 13.90" (L) x 13.80" (W) x 3.80" (H) | 13" (L) x 13" (W) x 3.15" (H) |
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Roborock S8 Pro Ultra Robot Vacuum and Mop
✓ 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
- • VibraRise 2.0 provides double the scrubbing area for stubborn stains compared to previous models
- • Reactive 3D avoidance navigates furniture and clutter without cameras (privacy-safe)
- • Fast charging support reduces downtime in large homes
✗ Cons:
- • High price point places it firmly in the luxury tier
- • Lacks an RGB camera for live video monitoring (unlike the S7 MaxV)
- • Large dock footprint requires significant floor space
- • Corner cleaning is less effective than D-shaped units or extending mop arms
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iRobot Roomba Vac Essential Robot Vacuum
✓ Pros:
- • Methodical row-by-row cleaning with smart navigation
- • Up to 120 minutes runtime with auto-docking recharge
- • iRobot Home App scheduling + Clean Map® report; voice assistant support
- • 3-stage cleaning with V-shaped brush + edge-sweeping brush and 3 suction levels
✗ Cons:
- • No mopping capability
- • No auto-empty dock (standard charging dock only)
- • No advanced AI obstacle avoidance (no camera/LiDAR object detection)
- • Lacks persistent mapping features like Keep Out Zones or Room Select
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Which one is better?
iRobot Roomba Vac Essential Robot Vacuum is stronger in quality and performance, but Roborock S8 Pro Ultra Robot Vacuum and Mop could still be the better pick if you value its unique advantages.
Who should buy each?
Expert take:
- Roborock S8 Pro Ultra Robot Vacuum and Mop suits buyers who need 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
- iRobot Roomba Vac Essential Robot Vacuum suits buyers who want Methodical row-by-row cleaning with smart navigation, Up to 120 minutes runtime with auto-docking recharge
Conclusion
There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.
Frequently Asked Questions
+Which has better value?
Roborock S8 Pro Ultra Robot Vacuum and Mop excels if you value truly hands-off maintenance with the all-in-one rockdock ultra (washes, dries, refills, empties). iRobot Roomba Vac Essential Robot Vacuum is better if you prioritize methodical row-by-row cleaning with smart navigation. Pick based on your budget and daily use.
+Is this an independent review?
Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.
+Do newer models exist?
Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
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