Between the Qrevo Master and S8 Pro Ultra, the Qrevo Master comes out ahead in suction and water tank, while the S8 Pro Ultra wins on several specs. Overall, the Qrevo Master scores 64.9 and the S8 Pro Ultra scores 57.7 on our Mars Score.
Which should you buy?
The Qrevo Master edges ahead on the Mars Score (64.9 vs 57.7), but the 7.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Qrevo Master if you care most about suction and water tank. The biggest gaps in its favor are suction, water tank, noise.
The S8 Pro Ultra similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable mopping, lidar, battery life, so those specs don't separate the two — focus on the differences below.
Bottom line: the Qrevo Master is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Roborock - Qrevo Master wins
- ▲Suction — 66.67% more. 10000 Pa vs 6000 Pa.
- ▲Water tank — 38.89% more. 250 ml vs 180 ml.
- ▲Noise — 3.00 dB less. 64 vs 67.
Why Roborock - S8 Pro Ultra wins
- No decisive advantages.
Spec comparison
Cleaning
| Spec | Roborock - Qrevo Master | Roborock - S8 Pro Ultra |
|---|---|---|
| Suction | 10000 Palead | 6000 Pa |
| Mopping | true | true |
| Water tank | 250 mllead | 180 ml |
| Dustbin | 300 ml | 400 mllead |
| Carpet detection | true | true |
Navigation
| Spec | Roborock - Qrevo Master | Roborock - S8 Pro Ultra |
|---|---|---|
| Lidar | true | true |
| Camera navigation | true | true |
| AI obstacle avoidance | true | true |
| Max climb | 25 mmlead | 20 mm |
Autonomy
| Spec | Roborock - Qrevo Master | Roborock - S8 Pro Ultra |
|---|---|---|
| Battery life | 180 min | 180 min |
| Self-empty base | true | true |
| Self-wash mop | true | true |
| Self-dry mop | true | true |
| Noise | 64 dBlead | 67 dB |
Frequently asked
Which has stronger suction, Qrevo Master or S8 Pro Ultra?+
Qrevo Master delivers 10000 Pa vs 6000 Pa.
Do Qrevo Master or S8 Pro Ultra mop?+
Both can mop.
Which has a self-emptying base, Qrevo Master or S8 Pro Ultra?+
Both ship with a self-emptying base.
Spec-level deep dives
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