iRobot Roomba j9+ vs Shark Matrix Self-Empty Robot Vacuum
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Quick take: The Shark Matrix Self-Empty Robot Vacuum costs $50 less; the iRobot Roomba j9+ runs longer per charge (120 vs 90 min).
| Spec | iRobot Roomba j9+ | Shark Matrix Self-Empty Robot Vacuum |
|---|---|---|
| Price | ~$449 | ~$399 |
| Type | Robot Vacuum | Robot Vacuum |
| Suction | Not disclosed | Not disclosed |
| Battery | 120 min | 90 min |
| Navigation | Camera | LiDAR |
| Filtration | — | Washable pre-motor filter |
| Cordless | Yes | Yes |
| Bagged | — | — |
| Noise | 65 dB | — |
| Dustbin | 400 ml | 190 ml |
| Water tank | — | — |
| Self-empty dock | Yes | Yes |
| Auto mop washing | No | No |
| Hot water washing | No | No |
| Obstacle avoidance | Yes | Yes |
| Carpet detection | Yes | No |
| Auto mop lifting | No | No |
| Multi-floor mapping | Yes | Yes |
| App control | Yes | Yes |
| Dimensions | 13.3 x 13.3 x 3.4 in | 15.24 x 10.91 x 17.28 in |
| Weight | 8.3 lbs | 15.43 lbs |
| Warranty | 1 year | 1 year |
Pros & cons
iRobot Roomba j9+
- ✓Exceptional carpet cleaning — dual rubber extractors are best-in-class for pet hair
- ✓P.O.O.P. guarantee replaces the robot if it runs over pet waste
- ✓Excellent smart home integration with Alexa, Google Home, and Siri
- ✓iRobot OS learns your cleaning habits and suggests schedules
- ✓Clean Base auto-empty system is reliable and relatively compact
- ✗No mop function at this price feels like a miss compared to competitors
- ✗Camera navigation is slower and less efficient than LiDAR
- ✗120-minute battery limits coverage to about 1500 sq ft per run
- ✗iRobot subscription pushes premium features behind a paywall
Shark Matrix Self-Empty Robot Vacuum
- ✓Self-empty base holds up to 45 days of debris, minimal manual maintenance
- ✓360-degree LiDAR gives more precise mapping than camera-based budget bots
- ✓Self-cleaning anti-hair-wrap brushroll suited to pet hair
- ✓Cheaper entry into Shark's self-empty ecosystem than the Matrix Plus 2-in-1
- ✓App-based room targeting and scheduling
- ✓Multi-floor mapping if you carry it between levels
- ✗No mopping — strictly vacuum-only despite Matrix branding shared with 2-in-1 models
- ✗90-minute runtime is short next to Shark's higher-tier robots
- ✗No published suction figure to compare against competitors
- ✗Carpet detection isn't called out in Shark's own spec sheet
- ✗Onboard dustbin is very small even though it self-empties