Compare Mowers
List prices are the manufacturer’s published figures, re-checked daily; they exclude tax, freight and dealer setup.
A side-by-side reference of each model's stated specifications. MowerFacts doesn’t give opinions: where a published, spec-derived rule can separate machines we mark a Data Pick and show the rule; here, read the values and decide what fits your needs.
Best suited for
What each model is built for, from its duty class and key specs. This is a neutral reference — MowerFacts does not rank one model above another.
- Gardena smart SILENO sense, 600 m² — residential: typical home lawns; 6-inch deck
- Husqvarna Automower 305 — residential: typical home lawns; 9-inch deck; battery (no fuel or engine maintenance)
What’s different? The 4 differences that matter most, from the published figures.
- smart SILENO sense, 600 m² has a 6.3 in (160 mm) deck; Automower 305 has a 8.7 in (220 mm) deck, a 2.4 in difference. Deck width sets how much grass each pass covers. Mowing time also depends on ground speed, turns and obstacles, so a wider deck alone does not fix the job's length. Time both decks on your own lawn ›
- smart SILENO sense, 600 m² is rated for slopes to 25%; Automower 305 is rated for slopes to 40%, a 15 points difference. The slope rating is the maker's limit for safe operation, not a measure of performance.
- smart SILENO sense, 600 m² runs 40 min per charge; Automower 305 runs 60 min per charge, a 20 min difference. Stated run time is under the maker's conditions. Thick or wet grass shortens it.
- smart SILENO sense, 600 m² is rated at 57 dB; Automower 305 is rated at 59 dB, a 2 dB difference.
what isn’t comparable
Not comparable
- Battery Capacity: not published for smart SILENO sense, 600 m².
- Charge Time: not published for smart SILENO sense, 600 m².
Verified means each manufacturer publishes the figure. A bigger number is only a bigger number; nothing here says which machine is better. The full specification table is below.
Which is faster on your property? › Measure your lawn once and MowerFacts times all 2 against it.
| Spec | smart SILENO sense, 600 m² Gardena · Robotic |
Automower 305 Husqvarna · Robotic |
|---|---|---|
| List price | dealer quote | dealer quote |
| Engine | ||
| Power Source | — | battery |
| Electrical | ||
| Battery Capacity | — | 2.1 Ah |
| Deck | ||
| Cutting Width | 6.3 in (160 mm) | 8.7 in (220 mm) |
| Dimensions | ||
| Weight | 21 lbs (9.5 kg) | 21 lbs (9.4 kg) |
| Width | 15.9 in (405 mm) | 16.9 in (430 mm) |
| Length | 23.7 in (603 mm) | 22.4 in (570 mm) |
| Height | 10.3 in (262 mm) | 9.8 in (250 mm) |
| Robotic | ||
| Work Area | 600 ft2 | 600 ft2 |
| Max Slope | 25 pct | 40 pct |
| Boundary | Virtual wire | Physical wire |
| Run Time | 40 min | 60 min |
| Charge Time | — | 60 min |
| Noise Level | 57 db | 59 db |
| Theft Protection | — | No |
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.