Yard Force Revola X4E vs Segway Navimow i105N
Quick take: The Segway Navimow i105N skips the boundary-wire install entirely while the Yard Force Revola X4E needs a perimeter wire laid but doesn't care about tree cover or satellite signal; the Yard Force Revola X4E is rated for a larger lawn (0.5 acres); the Yard Force Revola X4E is rated for steeper ground (40%); the Segway Navimow i105N cuts taller (up to 3.6"), which matters for fescue and warm-season grasses.
| Spec | Yard Force Revola X4E | Segway Navimow i105N |
|---|---|---|
| Price | ~$799 | ~$799 |
| Rating | — | — |
| Navigation | Boundary Wire | RTK + Vision |
| Max Lawn Size | 0.5 acres (21,780 sq ft) | 5,445 sq ft (5,445 sq ft) |
| Max Slope | 40% (22°) | 30% (17°) |
| Cutting Width | 8.7" | 7.1" |
| Cut Height | 1.3"–3" | 2"–3.6" |
| Drive | RWD | RWD |
| Runtime | 100 min | 60 min |
| Charge Time | 80 min | 90 min |
| Noise | — | 58 dB |
| Weight | 18.5 lb | 24 lb |
| Obstacle Detection | Three active ultrasonic sensors detect obstacles ahead and turn the mower before contact; bumper, lift and tilt sensors back them up, and a rain sensor returns it to the dock. | VisionFence 140-degree RGB camera plus bumper; recognizes 150+ object types (toys, pets, furniture) but has no drop-off detection. |
| Edge Cutting | No | No |
| Rain Sensor | Yes | No |
| Cellular | No | No |
| Anti-Theft | PIN code lock and high-decibel alarm; no GPS tracking | PIN lock and lift alarm; GPS tracking and geofence alerts only with the optional Access+ 4G module |
| Warranty | 2-year limited | 3-year limited |
Pros & cons
Yard Force Revola X4E
- ✓Cheapest half-acre robot at the big-box stores, with the full wire kit in the box
- ✓Ultrasonic sensors turn it before it bumps furniture, pets or toys
- ✓Front and back yard can be scheduled as separate zones
- ✓18.5 lb body is easy to carry between zones or lift for blade changes
- ✓Rain sensor plus lift, tilt and PIN protection are standard
- ✗Random-pattern mowing, so a full half acre needs long daily windows
- ✗Yard Force's own pages disagree on cut height range (2.4 in vs 3 in maximum)
- ✗No GPS or cellular, so theft protection is only a PIN and an alarm
- ✗Reviewers flag slow replacement-part support from Yard Force
Segway Navimow i105N
- ✓Cheapest RTK mower from a major brand; frequently $669-699 on sale
- ✓Straight parallel stripes with no random bouncing, so the lawn looks intentional
- ✓58 dB is quiet enough to run early morning without waking neighbors
- ✓AI Assist Mapping finds the lawn edge for you during the perimeter drive
- ✓3-year warranty, longer than most budget rivals
- ✗Owners report it getting stuck on flat ground and in small dips
- ✗Only 60 minutes per charge, so a full 1/8 acre takes multiple cycles
- ✗No cliff or curb detection; front-wheel drive spins out above 30% grades
- ✗Manual height dial and no GPS anti-theft without the $120 Access+ module
- ✗Several owners hit failures after a few months and slow email-only support