Gardena smart SILENO pro 600 vs Greenworks C6
Two robot lawn mowers side by side. All figures are what the makers claim (as of 2026-10-07), not test results. Where a number decides it, the better one is marked.
Specifications compared
| Figure | Gardena smart SILENO pro 600 | Greenworks C6 |
|---|---|---|
| Lawn size it can handle | 6,458 sq ft (600 m²) | 6,458 sq ft (600 m²) |
| Slopes | Up to 25% | Up to 45%Ahead |
| Noise | 57 dB | 54 dBAhead |
| Guidance | wire | RTK+vision |
| Wire-free | No | Yes |
| Needs a base station on the lawn | No | Not stated |
| Cutting width | 16 cm | 17 cm |
| Battery | Li-ion (rating unknown) | 24V 4Ah |
| Water protection | IPX5 | IPX6 |
| Connectivity | smart app/FOTA | Wi-Fi, Bluetooth, 4G |
"Ahead" marks the better figure for lawn size, slope, price per lawn size, list price and noise. The list price is the maker's, not a store's.
Which one suits you
Choose the Gardena smart SILENO pro 600 if
The figures alone do not give it a clear edge here. See its page for the details.
Choose the Greenworks C6 if
- Your yard has steeper slopes: 45% claimed against 25%.
- Quiet matters: 54 dB claimed against 57 dB.
- You do not want to bury a boundary wire.
More: all comparisons, best-for lists, report a wrong figure.