Greenworks AiMowbot C20Z
#9 in 1/4 to 1 acreFull review
For flat-to-moderate half-acre lawns where a mainstream brand and app-set cutting height matter. It costs more than rivals with similar specs.
Amazon $1,299.99$1,299.99
The Greenworks AiMowbot C20Z is the better robot lawn mower overall, rated 4.0 to 3.5. The Greenworks AiMowbot C20Z leads on value and slopes. The Greenworks AiMowbot C20Z costs $500 less ($1,299.99 vs $1,799.99).
Worx Landroid Vision Cloud 1/2 Acre (WR320.1)
#20 in 1/4 to 1 acreFull review
For flat to gently sloped lawns up to half an acre where you want mapped, wire-free mowing without mounting an RTK antenna.
Worx $1,799.99$1,799.99
Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Greenworks AiMowbot C20Z for value ($2,600 per rated acre vs $3,600 per rated acre) and slopes (45% (24°) slopes vs 30% (17°) slopes).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 1/4 to 1 acre robot lawn mower; a clear win is highlighted. How we rank explains each one.
| Factor weight | Greenworks AiMowbot C20Z | Worx Landroid Vision Cloud 1/2 Acre (WR320.1) |
|---|---|---|
| Overall rating | 4.0/5 | 3.5/5 |
| Value 30% | 76 $2,600 per rated acre | 53 $3,600 per rated acre |
| Navigation 20% | 80 RTK + vision, no boundary wire | 80 RTK + vision, no boundary wire |
| Slopes 20% | 36 45% (24°) slopes | 9 30% (17°) slopes |
| Features 15% | 100 5 of 5 | 88 7 of 8; no 4G |
| Warranty 10% | 67 3-year warranty | 67 3-year warranty |
| Noise 5% | 100 54 dB(A) rated | 50 noise not published (neutral score used) |
Specifications
| Greenworks AiMowbot C20Z | Worx Landroid Vision Cloud 1/2 Acre (WR320.1) | |
|---|---|---|
| Coverage | ||
| Lawn size (rated) | 0.5 acres (21,800 sq ft) | 0.5 acres (21,800 sq ft) |
| Max slope | 45% (24°) | 30% (17°) |
| All-wheel drive | No | No |
| Charge time | - | 1 h 40 min |
| Battery | - | 20 V 5 Ah |
| Navigation | ||
| Navigation | RTK + vision | RTK + vision |
| Boundary wire needed | No | No |
| RTK station | - | Not needed or sold separately |
| Obstacle avoidance | AI cameras + ToF camera + night-vision sensors (200+ object types) | Stereo camera with Vision AI |
| Multiple zones | Yes | Yes |
| No-go zones | Yes | Yes |
| Cutting | ||
| Cutting width | 7.9 in (200 mm) | 8.7 in (221 mm) |
| Cutting height | 0.8–3.5 in | 1.6–3.5 in |
| Height adjustment | In the app | In the app |
| Blades | - | 3 blades on a self-leveling disc |
| Edge mowing | Edge mowing to within 4 in | Cut-to-Zero offset blade |
| Smart features | ||
| Connectivity | - | Wi-Fi, Bluetooth |
| Rain sensor | - | Yes |
| Anti-theft | - | 24/7 anti-theft monitoring |
| Build | ||
| Noise (rated) | 54 dB(A) | - |
| Water resistance | IPX6 | - |
| Weight | - | 31 lb (14.1 kg) |
| Warranty | 3 years | 3 years |