Robot vacuums · Dreame
Dreame D9 Max Gen 2- Suction power:
- 6,000 Pa
- Run time:
- 285 min
- Reference price:
- SAR 699
Dreame D9 Max Gen 2 vs Xiaomi Robot Vacuum S40C: which one suits you?
The two differ in 8 of the specs we have recorded, and the Xiaomi Robot Vacuum S40C is cheaper by SAR 50 (prices checked 7 Nov 2026).
Which one should you choose?
Choose the
Dreame D9 Max Gen 2 if you care about:- Stronger suction for carpets and deep dust (6,000 Pa vs 5,000 Pa)
- Higher run time: 285 min vs 180 min
- Bigger battery (5,200 mAh vs 2,600 mAh)
- Paying less: cheaper by SAR 50
- Quieter while running (60 dB vs 74 dB)
- Bigger tank, fewer refills (0.26 L vs 0.24 L) · slight difference
The deciding difference here: suction power and run time and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Robot vacuums · Xiaomi
Xiaomi Robot Vacuum S40C- Suction power:
- 5,000 Pa
- Run time:
- 180 min
- Reference price:
- SAR 649
Key differences
Suction power
✓ 6,000 Pa5,000 PaRun time
✓ 285 min180 minRobot dustbin
✓ 0.57 L0.52 L
Specifications side by side
22 of 22 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 699 | SAR 649 |
| Suction power | ✓ 6,000 Pa | 5,000 Pa |
| Run time | ✓ 285 min | 180 min |
| Mopping | Yes | Yes |
| Self-emptying dock | No | No |
| Automatic mop washing | No | No |
| Anti-hair-tangle | Yes | Yes |
| Robot dustbin | ✓ 0.57 L | 0.52 L |
| Robot water tank | 0.24 L | ✓ 0.26 L |
| Cleaning width | 30 cm | — |
| HEPA filter | Yes | Yes |
| Power levels | 4 | 4 |
| Battery capacity | ✓ 5,200 mAh | 2,600 mAh |
| Battery voltage | 14.4 V | 14.4 V |
| Phone app | Yes | Yes |
| Voice control | Yes | Yes |
| Cliff sensors | Yes | Yes |
| Collision protection | Yes | Yes |
| Scheduled cleaning | Yes | Yes |
| Product weight | ✓ 3.21 kg | 3.44 kg |
| Noise level | 74 dB | ✓ 60 dB |
| Dimensions | 35 × 35 × 9.68 cm | 34 × 34 × 9.7 cm |
| Warranty | 2 years | 2 years |
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Similar comparisons
Direct comparison questions
What is the difference in suction power between the Dreame D9 Max Gen 2 and the Xiaomi Robot Vacuum S40C?
Suction power is higher on the Dreame D9 Max Gen 2: 6,000 Pa vs 5,000 Pa on the Xiaomi Robot Vacuum S40C. If this spec is your priority, the difference favours it.
What is the difference in battery capacity between the Dreame D9 Max Gen 2 and the Xiaomi Robot Vacuum S40C?
Battery capacity is higher on the Dreame D9 Max Gen 2: 5,200 mAh vs 2,600 mAh on the Xiaomi Robot Vacuum S40C. If this spec is your priority, the difference favours it.
What is the difference in noise level between the Dreame D9 Max Gen 2 and the Xiaomi Robot Vacuum S40C?
Noise level is lower on the Xiaomi Robot Vacuum S40C: 60 dB vs 74 dB on the Dreame D9 Max Gen 2. If this spec is your priority, the difference favours it.
What is the difference in run time between the Dreame D9 Max Gen 2 and the Xiaomi Robot Vacuum S40C?
Run time is higher on the Dreame D9 Max Gen 2: 285 min vs 180 min on the Xiaomi Robot Vacuum S40C. If this spec is your priority, the difference favours it.