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- E20 vs S7+
eufy E20 vs Roborock S7+
What E20 does better (1) and where S7+ wins (3) — every spec side by side.
Dimensions
Size comparison
E20S7+
| E20 | S7+ | Difference | |
|---|---|---|---|
| Height | 118 mm | 96 mm | +22 mm |
| Width / diameter | 350 mm | 353 mm | −3 mm |
| Length | 350 mm | 353 mm | −3 mm |
| Weight | 2.2 kg | 4.7 kg | −2.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is E20 better than S7+?
- Charging time150 min vs 300 min2×
Why is S7+ better than E20?
- Height118 mm vs 96 mm+23%
- Noise level75 dB vs 60 dB+25%
- Dustbin (robot)365 ml vs 450 ml+23%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 8,000 Pa | — |
| Dustbin (robot) | 365 ml | 450 ml |
| Main brush | Single main brush | — |
| Anti-tangle brush | Yes | — |
| Side brushes | 1 | 1 |
| HEPA filter | — | Yes |
| Noise level | 75 dB | 60 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | 20 mm |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Base station | ||
| Base station | Auto-empty dock | Auto-empty dock |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 3 l | — |
| Battery & runtime | ||
| Battery capacity | 4,200 mAh | — |
| Runtime | 180 min | 180 min |
| Charging time | 150 min | 300 min |
| Cleaning area per charge | 140 m² | — |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 350 mm | 353 mm |
| Length | 350 mm | 353 mm |
| Height | 118 mm | 96 mm |
| Weight | 2.2 kg | 4.7 kg |
| Shape | Round | Round |
| Colours | Black | — |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant, Apple Siri |
| Remote control | — | Yes |
