Compare iRobot Roomba S9+ vs. iRobot Roomba i8+
| iRobot Roomba S9+ | iRobot Roomba i8+ | |
| Photo |  |  |
| Where to buy |
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| SRR Score | 186 | 178 |
| Mapping / Path planning | Yes | Yes |
| Mapping Sensor Type | camera | camera, odometry |
| High-Precision Map | Yes | Yes |
| Objects recognition (front camera) | No | No |
| Recharge & Resume | Yes | Yes |
| Autocally Docks and Recharges | Yes | Yes |
| Noise Level | N/A | 68 dB |
| Display | No | No |
| Side Brushes (one or two) | 1 | 1 |
| Voice Prompts | Yes | Yes |
| Cleaning Features | ||
| Suction Power | 2200 Pa | 1700 Pa |
| Сleaning Area | 200 ㎡ / 2153 ft2 | 200 ㎡ / 2153 ft2 |
| Dustbin Capacity | 400 ml / 13.53 oz | 400 ml / 13.53 oz |
| Disposable dustbag capacity | 1 L | N/A |
| Automatic Dirt Disposal | Yes | Yes |
| Barrier-cross Height | 20 mm / 0.79 in | 20 mm / 0.79 in |
| HEPA filter | Yes | Yes |
| Washable Filter | No | No |
| Mopping Features | ||
| Wet Mopping | No | No |
| Electric water flow control | N/A | N/A |
| Water Tank Capacity | - | - |
| Vibrating mopping pad | No | No |
| Automatic mop lifting | No | No |
| Auto water tank refilling | No | No |
| Auto mop washing | N/A | N/A |
| Battery | ||
| Battery Capacity | 3300 mAh | 2210 mAh |
| Battery life | 120 min | 90 min |
| Charging Time | N/A | 120 min |
| Rated Power (Watts) | N/A | N/A |
| Control | ||
| Scheduling | Yes | Yes |
| IR/RF Remote Control | No | No |
| Wi-Fi / Smartphone App | Yes | Yes |
| Wi-Fi Frequency Band | 2.4 / 5 GHz | 2.4 / 5 GHz |
| Amazon Alexa Support | Yes | Yes |
| Google Assistant Support | Yes | Yes |
| Magnetic/Optical Virtual Walls | Yes | Yes |
| App Features | ||
| Real-time tracking | No | No |
| Digital Blocked Areas | Yes | Yes |
| Zoned cleaning | Yes | Yes |
| Multi-floor maps | Yes | Yes |
| Manual movement control | Yes | Yes |
| Selected Room Cleaning | Yes | Yes |
| No-mop zones | N/A | N/A |
| Sensors | ||
| Carpet Boost | No | Yes |
| Anti-drop / Cliff Sensor | Yes | Yes |
| Dirt Sensor | Yes | Yes |
| Full Dustbin Sensor | Yes | Yes |
| Other Specifications | ||
| Weight | 3.37 kg / 7.43 lbs | 3.3 kg / 7.28 lbs |
| Width | 33.88 cm / 13.34 in | 33.8 cm / 13.31 in |
| Height | 9.22 cm / 3.63 in | 9.2 cm / 3.62 in |
| In the box | robot vacuum, AC cord, charging dock, dual-mode virtual barrier, hepa filter, extra side-brush | clean base automatic dirt disposal, 2 dirt disposal bags, north American line cord, dual mode virtual wall barrier, extra high-efficiency filter, extra side brush |
| Release Date | May, 2019 | Sep 2020 |
| Warranty | 12 months | 12 months |
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