Segway Navimow X450 vs Yarbo Y40 Core with Lawn Mower Pro
Researched by Riley Hart · prices checked Nov 11, 2026
As of Nov 11, 2026, the Segway Navimow X450 costs $2,999 and the Yarbo Y40 Core with Lawn Mower Pro costs $5,999, so the Segway Navimow X450 is $3,000 cheaper. The Yarbo Y40 Core with Lawn Mower Pro has a published review score and ranks #13 in our robot lawn mowers ranking; the Segway Navimow X450 is not scored yet. Pick the Segway Navimow X450 for hilly or rough yards up to 1.5 acres. Pick the Yarbo Y40 Core with Lawn Mower Pro for multi acre, steep properties. The Segway Navimow X450 wins 5 of 8 points we can measure.
Who wins, point by point
The Segway Navimow X450 wins 5 of 8 points we can measure. Built from today's prices, the specs and independent tests for these two robots.
| X450 | Y40 Core with Lawn Mower Pro | Winner | |
|---|---|---|---|
| Price today | $2,999 | $5,999 | X450 |
| 3 year cost | $3,032 | $5,999 | X450 |
| Lawn size | 1.5 acre | 6.2 acre | Y40 Core with Lawn Mower Pro |
| Steepest slope | 84% | 70% | X450 |
| Cut width | 17 in | 20 in | Y40 Core with Lawn Mower Pro |
| Runtime per charge | 150 min | 2 h | X450 |
| Noise | 68 dB | 60 dB | Y40 Core with Lawn Mower Pro |
| Release year | 2026 | 2025 | X450 |
- You want to spend less (saves $3,000)
- You care most about steepest slope (84% vs 70%)
- You care most about runtime per charge (150 min vs 2 h)
- Best for hilly or rough yards up to 1.5 acres
- You care most about lawn size (6.2 acre vs 1.5 acre)
- You care most about cut width (20 in vs 17 in)
- You care most about noise (60 dB vs 68 dB)
- Best for multi acre, steep properties
- Area
- Up to 1.5 acres
- Max slope
- 84%
- Navigation
- Tri frequency Network
- Cut width
- 17 in
AWD wire free mower for steep yards up to 1.5 acres
Full Segway Navimow X450 review, pros and cons →- Area
- Up to 6.2 acres
- Max slope
- 70%
- Navigation
- RTK GPS
- Cut width
- 20 in
Tracked modular yard robot with a 20 in mower for big, steep land
Full Yarbo Y40 Core with Lawn Mower Pro review, pros and cons →Side by side
| Segway Navimow X450 | Yarbo Y40 Core with Lawn Mower Pro | |
|---|---|---|
| Price | $2,999 | $5,999 |
| 3 year cost | $3,032 | $5,999 |
| Our score | Not scored yet | 5.6/10 |
| Rank in Lawn | #43 | #13 |
| Status | on sale | on sale |
| Warranty | Up to 3 years (Navimow) | n/a |
| Area | Up to 1.5 acres (Navimow); Expert Reviews lists 5,000 m² for the UK X450 | Up to 6.2 acres (Wellbots listing, Tom's Guide) |
| Max slope | 84% (40°) (Navimow); PCWorld's sloped yard posed no trouble for the X430 sibling | 70% (35°) (Wellbots listing, Tom's Guide) |
| Navigation | Tri frequency Network RTK with 360° VSLAM and VIO plus 360° AI vision (Navimow) | RTK GPS with vision, IMU and odometry (Wellbots); Tom's Guide lists six HD cameras and two ultrasonic radars |
| Boundary wire | Not needed | Not needed; maps the yard with cameras and sensors (Consumer Reports preview) |
| Cut width | 17 in (Navimow) | 20 in (50 cm) (Wellbots, Tom's Guide) |
| Cut height | 0.75 to 4 in (Navimow) | 0.8 to 4.0 in per the Wellbots listing; Tom's Guide lists 1.2 to 4 in; Notebookcheck reported 2 to 10 cm |
| Battery runtime | Up to 9,600 sq ft per charge, 90 min or less recharge at 224W (Navimow); Expert Reviews saw about 150 min runs on the X430 | 1.38 kWh, about 120 min of mowing per charge, 90 min to recharge (Wellbots); Tom's Guide lists a 38.4Ah battery |
| Drive | Four wheel drive, dual suspension, front wheel steering, climbs 2.8 in obstacles (Navimow) | Tracked all terrain Core (Wellbots, Tom's Guide); the Pro module has two 300 W motors, twice the classic module (Notebookcheck) |
| Rtk required | Network RTK where covered; GNSS antenna included for other areas (Navimow) | Yes, RTK base station in the box (Wellbots) |
| Multi zone | Up to 120 zones, plus no go areas (Navimow) | Up to 100 mowing areas (Tom's Guide) |
| Noise | Below 68 dB(A) (Navimow) | 60 dB (Wellbots) |
| Weather | IP66 (Navimow) | IPX6 (Wellbots) |
| Best for | hilly or rough yards up to 1.5 acres | multi acre, steep properties |
| Skip if | your lawn is small and flat | your lawn is under an acre |
Specs are maker claims unless a reviewer is named. Prices from the stores we link, checked daily.
What reviewers found
Segway Navimow X450
- PCWorld (TechHive): Testing the X430 sibling, it climbed an uneven, sloped yard without spinning, sliding or stalling, stayed inside the boundary around trees and a play set, and did not slip over a raised edge where the i215 had. Editors' Choice; cons were price, size and weight. Source
- Expert Reviews: Testing the X4 series (X430 unit), it praised grip on 40° slopes, gravel and kerbs and easy setup. The first pass was very good, the second excellent, and it stayed 5 to 10 cm from beds. It ran about 150 min per charge and measured 68 dBA. Source
Yarbo Y40 Core with Lawn Mower Pro
- Tom's Guide: Tested the Yarbo Pro mower on about an acre for roughly a month. Mowing was strong, it climbed a steep backyard incline and rarely hit obstacles, and blades stayed sharp. Setup took an entire weekend and Wi-Fi was unreliable, so the tester ran an Ethernet cable through a window. Verdict: overkill for most homes. Source
- Stuff (4/5): Used the Yarbo Core with the standard mower module (20 in, two discs with five blades each) for a few months. It mowed the whole garden in about 2 hours and came back with 40% battery. Setup is involved and module swaps are heavy. Note this was the classic mower module, not the Pro. Source
Questions buyers ask
Which is better, the Segway Navimow X450 or the Yarbo Y40 Core with Lawn Mower Pro?
The Yarbo Y40 Core with Lawn Mower Pro has a published review score and ranks #13 in our robot lawn mowers ranking; the Segway Navimow X450 is not scored yet. Pick the Segway Navimow X450 for hilly or rough yards up to 1.5 acres. Pick the Yarbo Y40 Core with Lawn Mower Pro for multi acre, steep properties.
Which is cheaper?
The Segway Navimow X450 at $2,999, versus $5,999 for the Yarbo Y40 Core with Lawn Mower Pro, checked Nov 11, 2026. Over 3 years with running costs: $3,032 vs $5,999.
What is the difference between the X450 and the Y40 Core with Lawn Mower Pro?
Area: Up to 1.5 acres (Navimow); Expert Reviews lists 5,000 m² for the UK X450 on the X450, Up to 6.2 acres (Wellbots listing, Tom's Guide) on the Y40 Core with Lawn Mower Pro. Max slope: 84% (40°) (Navimow); PCWorld's sloped yard posed no trouble for the X430 sibling on the X450, 70% (35°) (Wellbots listing, Tom's Guide) on the Y40 Core with Lawn Mower Pro. Navigation: Tri frequency Network RTK with 360° VSLAM and VIO plus 360° AI vision (Navimow) on the X450, RTK GPS with vision, IMU and odometry (Wellbots); Tom's Guide lists six HD cameras and… on the Y40 Core with Lawn Mower Pro.
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