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- Roomba 981 vs Roomba i7
iRobot Roomba 981 vs iRobot Roomba i7
What Roomba 981 does better (2) and where Roomba i7 wins (1) — every spec side by side.
vs
9.3Cleaning power6.0
4.9Base station4.9
8.3Battery4.6
Dimensions
Size comparison
Roomba 981Roomba i7
| Roomba 981 | Roomba i7 | Difference | |
|---|---|---|---|
| Height | 92 mm | 93 mm | −1 mm |
| Width / diameter | 351 mm | 340 mm | +11 mm |
| Length | 351 mm | 340 mm | +11 mm |
| Weight | 4 kg | 3.4 kg | +0.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba 981 better than Roomba i7?
- Runtime120 min vs 75 min+60%
- Dustbin (robot)600 ml vs 400 ml+50%
Why is Roomba i7 better than Roomba 981?
- Charging time180 min vs 90 min2×
Specifications
Side by side
| Suction & cleaning | ||
| Dustbin (robot) | 600 ml | 400 ml |
| Side brushes | — | 1 |
| Dirt detection | — | Yes |
| Noise level | — | 65 dB |
| Navigation & obstacles | ||
| Navigation | — | Camera (vSLAM) |
| Navigation sensors | — | vSLAM camera |
| Threshold climbing | 20 mm | 20 mm |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | — | Yes |
| Base station | ||
| Base station | Charging dock | Charging dock |
| Battery & runtime | ||
| Runtime | 120 min | 75 min |
| Charging time | 180 min | 90 min |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 351 mm | 340 mm |
| Length | 351 mm | 340 mm |
| Height | 92 mm | 93 mm |
| Weight | 4 kg | 3.4 kg |
| Shape | Round | Round |
| Colours | Black | Grey |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant |
