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, noise and navigation. The Ecovacs GOAT A2000 LiDAR PRO wins on slopes. The Greenworks AiMowbot C20Z costs $700 less ($1,299.99 vs $1,999.99).
Ecovacs GOAT A2000 LiDAR PRO
#19 in 1/4 to 1 acreFull review
For lawns up to half an acre with lots of edges, where the built-in trimmer saves weekly string-trimming and LiDAR avoids satellite dropouts.
Amazon $1,999.99 Ecovacs $1,999.99$1,999.99
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 $4,000 per rated acre), noise (54 dB(A) rated vs 62 dB(A) rated) and navigation (RTK + vision, no boundary wire vs LiDAR, no boundary wire).
- Choose the Ecovacs GOAT A2000 LiDAR PRO for slopes (50% (27°) slopes vs 45% (24°) 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 | Ecovacs GOAT A2000 LiDAR PRO |
|---|---|---|
| Overall rating | 4.0/5 | 3.5/5 |
| Value 30% | 76 $2,600 per rated acre | 44 $4,000 per rated acre |
| Navigation 20% | 80 RTK + vision, no boundary wire | 70 LiDAR, no boundary wire |
| Slopes 20% | 36 45% (24°) slopes | 45 50% (27°) slopes |
| Features 15% | 100 5 of 5 | 88 7 of 8; no 4G |
| Warranty 10% | 67 3-year warranty | 50 warranty not published (neutral score used) |
| Noise 5% | 100 54 dB(A) rated | 53 62 dB(A) rated |
Specifications
| Greenworks AiMowbot C20Z | Ecovacs GOAT A2000 LiDAR PRO | |
|---|---|---|
| Coverage | ||
| Lawn size (rated) | 0.5 acres (21,800 sq ft) | 0.5 acres (21,800 sq ft) |
| Max slope | 45% (24°) | 50% (27°) |
| All-wheel drive | No | No |
| Run time per charge | - | 50 min |
| Charge time | - | 50 min |
| Battery | - | 32.4 V 3 Ah |
| Navigation | ||
| Navigation | RTK + vision | LiDAR |
| Boundary wire needed | No | No |
| Obstacle avoidance | AI cameras + ToF camera + night-vision sensors (200+ object types) | AIVI 3D: AI fisheye camera + 3D-ToF + LiDAR, 200+ obstacle types |
| Multiple zones | Yes | Yes |
| No-go zones | Yes | Yes |
| Cutting | ||
| Cutting width | 7.9 in (200 mm) | 13 in (330 mm) |
| Cutting height | 0.8–3.5 in | 1.2–3.5 in (30–90 mm) |
| Height adjustment | In the app | In the app |
| Blades | - | 2 blade discs, 6 blades in total |
| Edge mowing | Edge mowing to within 4 in | Built-in TruEdge string trimmer cuts to about 0 in from edges; blade edge mowing about 2 in |
| Smart features | ||
| Connectivity | - | Wi-Fi, Bluetooth |
| Rain sensor | - | Yes |
| Anti-theft | - | PIN code lock |
| Build | ||
| Noise (rated) | 54 dB(A) | 62 dB(A) |
| Water resistance | IPX6 | IPX6 |
| Weight | - | 39.2 lb (17.8 kg) |
| Warranty | 3 years | - |