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- E20 vs E35 HydroJet
eufy E20 vs eufy E35 HydroJet
What E20 does better (2) and where E35 HydroJet wins (6) — every spec side by side.
vs
6.9Cleaning power9.6
7.2Navigation9.2
8.3Base station4.9
9.4Battery6.6
Dimensions
Size comparison
E20E35 HydroJet
| E20 | E35 HydroJet | Difference | |
|---|---|---|---|
| Height | 118 mm | 116 mm | +2 mm |
| Width / diameter | 350 mm | 360 mm | −10 mm |
| Length | 350 mm | 360 mm | −10 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is E20 better than E35 HydroJet?
- Charging time150 min vs 270 min+80%
- Dust bag (dock)3 l vs 2.5 l+20%
Why is E35 HydroJet better than E20?
- Suction power8,000 Pa vs 35,000 Pa4.4×
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Base stationAuto-empty dock vs All-in-one dock (empty + wash)
- Threshold climbing20 mm vs 30 mm+50%
- Battery capacity4,200 mAh vs 5,200 mAh+24%
- Noise level75 dB vs 64 dB+17%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 8,000 Pa | 35,000 Pa |
| Dustbin (robot) | 365 ml | — |
| Main brush | Single main brush | Dual main brushes |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 1 | 2 |
| Extending side brush | — | Yes |
| Carpet detection | — | Yes |
| Noise level | 75 dB | 64 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | AI camera |
| Threshold climbing | 20 mm | 30 mm |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | — | Roller mop |
| Mop lifting on carpets | — | Yes |
| Mop lift height | — | 11 mm |
| Extending mop (edges) | — | Yes |
| Base station | ||
| Base station | Auto-empty dock | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 3 l | 2.5 l |
| Mop washing in the dock | — | Yes |
| Hot-air mop drying | — | Yes |
| Automatic water refill | — | Yes |
| Clean water tank (dock) | — | 2.5 l |
| Dirty water tank (dock) | — | 2.4 l |
| Battery & runtime | ||
| Battery capacity | 4,200 mAh | 5,200 mAh |
| Runtime | 180 min | — |
| Charging time | 150 min | 270 min |
| Cleaning area per charge | 140 m² | — |
| Size & weight | ||
| Width / diameter | 350 mm | 360 mm |
| Length | 350 mm | 360 mm |
| Height | 118 mm | 116 mm |
| Weight | 2.2 kg | — |
| Shape | Round | Round |
| Colours | Black | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant, Apple Siri |









