Dreame A3 AWD 2000
#5 in 1/4 to 1 acreFull review
For half-acre lots that are hilly or wooded and want wire-free, antenna-free mowing. On flat, open lawns, a cheaper RTK mower is enough.
Amazon $1,699.99 Dreame $1,699.99$1,699.99
The Dreame A3 AWD 2000 is the better robot lawn mower overall, rated 4.2 to 4.0. The Dreame A3 AWD 2000 leads on slopes. The Greenworks AiMowbot C20Z wins on value and noise. The Greenworks AiMowbot C20Z costs $400 less ($1,299.99 vs $1,699.99).
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
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 Dreame A3 AWD 2000 for slopes (80% (39°) slopes, all-wheel drive vs 45% (24°) slopes).
- Choose the Greenworks AiMowbot C20Z for value ($2,600 per rated acre vs $3,400 per rated acre) and noise (54 dB(A) rated vs 62.8 dB(A) rated).
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 | Dreame A3 AWD 2000 | Greenworks AiMowbot C20Z |
|---|---|---|
| Overall rating | 4.2/5 | 4.0/5 |
| Value 30% | 58 $3,400 per rated acre | 76 $2,600 per rated acre |
| Navigation 20% | 85 LiDAR + vision, no boundary wire | 80 RTK + vision, no boundary wire |
| Slopes 20% | 100 80% (39°) slopes, all-wheel drive | 36 45% (24°) slopes |
| Features 15% | 100 8 of 8 | 100 5 of 5 |
| Warranty 10% | 67 3-year warranty | 67 3-year warranty |
| Noise 5% | 48 62.8 dB(A) rated | 100 54 dB(A) rated |
Specifications
| Dreame A3 AWD 2000 | Greenworks AiMowbot C20Z | |
|---|---|---|
| Coverage | ||
| Lawn size (rated) | 0.5 acres (21,800 sq ft) | 0.5 acres (21,800 sq ft) |
| Max slope | 80% (39°) | 45% (24°) |
| All-wheel drive | Yes | No |
| Charge time | 45 min | - |
| Battery | 5 Ah | - |
| Navigation | ||
| Navigation | LiDAR + vision | RTK + vision |
| Boundary wire needed | No | No |
| Obstacle avoidance | 360° 3D LiDAR + binocular AI cameras | AI cameras + ToF camera + night-vision sensors (200+ object types) |
| Multiple zones | Yes | Yes |
| No-go zones | Yes | Yes |
| Cutting | ||
| Cutting width | 7.9 in (201 mm) | 7.9 in (200 mm) |
| Cutting height | 1.2–3.9 in | 0.8–3.5 in |
| Height adjustment | In the app | In the app |
| Blades | Pivoting razor blades on a cutting disc (9 spare blades included) | - |
| Edge mowing | EdgeMaster edge mode, disc-to-edge distance under 1.91 in; optional trimmer module sold separately | Edge mowing to within 4 in |
| Smart features | ||
| Connectivity | Wi-Fi, Bluetooth, 4G | - |
| Rain sensor | Yes | - |
| Anti-theft | Lift alarm, 4G location tracking, PIN lock, AirTag compatible | - |
| Build | ||
| Noise (rated) | 62.8 dB(A) | 54 dB(A) |
| Water resistance | IPX6 | IPX6 |
| Weight | 35.5 lb (16.1 kg) | - |
| Warranty | 3 years | 3 years |