Roborock RockMow X1 vs Greenworks AiMowbot C30Z
Quick take: The Roborock RockMow X1 costs $99 less; the Roborock RockMow X1 is all-wheel drive, which is what keeps a mower climbing a wet slope; the Roborock RockMow X1 is rated for a larger lawn (1 acre); the Roborock RockMow X1 is rated for steeper ground (80%).
| Spec | Roborock RockMow X1 | Greenworks AiMowbot C30Z |
|---|---|---|
| Price | ~$1,500 | ~$1,599 |
| Rating | — | — |
| Navigation | RTK + Vision | RTK + Vision |
| Max Lawn Size | 1 acre (43,560 sq ft) | 0.75 acres (32,670 sq ft) |
| Max Slope | 80% (39°) | 45% (24°) |
| Cutting Width | 9.5" | 8" |
| Cut Height | 1.6"–3.5" | 0.75"–3.5" |
| Drive | AWD | FWD |
| Runtime | 120 min | — |
| Charge Time | — | 50 min |
| Noise | 60 dB | 54 dB |
| Weight | 47 lb | — |
| Obstacle Detection | Four cameras (two front, two side) with a headlight for night mowing; reliably detects people, pets and furniture but detours widely and wants 2.6 ft passages. | Smart cameras plus night-vision sensors that Greenworks says recognize 200-plus obstacle types, with a bumper and LED headlights for night mowing. |
| Edge Cutting | No | No |
| Rain Sensor | Yes | No |
| Cellular | Yes | Yes |
| Anti-Theft | PIN lockout, loud alarm and 4G GPS tracking | Alarm plus GPS tracking when the 4G plan is active |
| Warranty | 3-year limited (battery 2 years) | 3-year limited |
Pros & cons
Roborock RockMow X1
- ✓Exceptional build and terrain handling; owners on 30 percent slopes and rutted ground say it does not get stuck
- ✓Whisper quiet, with a headlight so it can run at night without bothering neighbors
- ✓Clean, intuitive Roborock app with scheduling, zones, PIN lock and 4G tracking
- ✓Active front steering turns gently without scuffing the lawn
- ✓3-year warranty on the mower and steep early discounts on Amazon
- ✗Software lags the hardware: cautious wide detours around obstacles and features still arriving by OTA
- ✗Edge cutting needs the $150 PreciEdge module and still leaves a strip along fences
- ✗Needs an RTK antenna with clear sky unless you rely on the newer network RTK mode
- ✗Heavy at roughly 47 pounds and only sold through Amazon and a few dealers in the US
Greenworks AiMowbot C30Z
- ✓RTK accuracy with camera backup means no wire and real row mowing
- ✓45% slope rating beats most 2WD RTK rivals
- ✓Very quiet at 54 dB and hose-washable (IPX6)
- ✓Electric cut-height adjustment from the app
- ✓3-year warranty from a brand with US big-box distribution
- ✗4G and anti-theft features require a subscription with no published price
- ✗Edge cutting stops about 4 in short of borders
- ✗Front-wheel-drive three-wheel layout, not AWD, despite the slope rating
- ✗Brand new in 2026 with no long-term reliability data
- ✗No rain sensor listed on the spec sheet