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- D20 Ultra vs S8 Max
Dreame D20 Ultra vs Tesvor S8 Max
What D20 Ultra does better (7) and where S8 Max wins (1) — every spec side by side.
Dimensions
Size comparison
D20 UltraS8 Max
| D20 Ultra | S8 Max | Difference | |
|---|---|---|---|
| Height | 104 mm | 98 mm | +6 mm |
| Width / diameter | 350 mm | 330 mm | +20 mm |
| Length | 350 mm | 330 mm | +20 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is D20 Ultra better than S8 Max?
- Suction power13,000 Pa vs 6,000 Pa2.2×
- Mop typeRotating mop pads vs Mop pad
- Base stationAll-in-one dock (empty + wash) vs Auto-empty dock
- Runtime230 min vs 180 min+28%
- Dustbin (robot)320 ml vs 250 ml+28%
- Dust bag (dock)3.2 l vs 2.5 l+28%
- Noise level65 dB vs 68 dB+5%
Why is S8 Max better than D20 Ultra?
- Height104 mm vs 98 mm+6%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 13,000 Pa | 6,000 Pa |
| Dustbin (robot) | 320 ml | 250 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 2 |
| Carpet detection | Yes | Yes |
| HEPA filter | Yes | Yes |
| Noise level | 65 dB | 68 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor | 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 | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Mop pad |
| Mop lifting on carpets | Yes | — |
| Mop lift height | 10.5 mm | — |
| Water tank (robot) | — | 350 ml |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | Auto-empty dock |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 3.2 l | 2.5 l |
| Mop washing in the dock | Yes | — |
| Hot-air mop drying | Yes | — |
| Automatic water refill | Yes | — |
| Clean water tank (dock) | 4.5 l | — |
| Dirty water tank (dock) | 4 l | — |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 5,200 mAh |
| Runtime | 230 min | 180 min |
| Charging time | 210 min | — |
| Cleaning area per charge | — | 200 m² |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 350 mm | 330 mm |
| Length | 350 mm | 330 mm |
| Height | 104 mm | 98 mm |
| Weight | 3.9 kg | — |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant |
| Remote control | — | Yes |
