Saros Z70 vs Sawyer
Roborock vs Rethink Robotics — specs, price, and data-backed comparison.
QUICK TAKE
- Sawyer offers the more degrees of freedom (7 vs 5).
- Saros Z70 offers the lighter build (16 kg vs 19 kg).
- Saros Z70 is the newer platform (2,025 vs 2,015).
SPECIFICATIONS COMPARED
| Saros Z70 | Sawyer | |
|---|---|---|
| Company | Roborock | Rethink Robotics |
| Category | Ground | Ground |
| Price: | Not announced | Not announced |
| Released: | 2025 | 2015 |
| Weight | 16 kg | 19 kg |
| Payload | — | 4 kg |
| Reach | — | 1.26 m |
| Degrees of Freedom | 5 | 7 |
| Battery Life | 180 min | — |
| Charging Time | Approx. 150 minutes | — |
| Connectivity | Wi-Fi 2.4 GHz; Roborock App; Amazon Alexa; Google Assistant | — |
| Software / AI | Roborock App; StarSight Autonomous System 2.0; AI-powered obstacle recognition (108+ object types) | — |
FREQUENTLY ASKED QUESTIONS
What is the difference between the Saros Z70 and the Sawyer?
Saros Z70 is made by Roborock, while Sawyer is made by Rethink Robotics. Both are grounds, so the differences come down to price and specifications.


