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- J15 Max Ultra vs Roomba Max 775 Combo
Eureka J15 Max Ultra vs iRobot Roomba Max 775 Combo
What J15 Max Ultra does better (2) and where Roomba Max 775 Combo wins (3) — every spec side by side.
vs
8.7Cleaning power9.7
9.4Navigation4.3
8.3Mopping9.1
8.0Base station9.3
4.8Battery8.8
Dimensions
Size comparison
J15 Max UltraRoomba Max 775 Combo
| J15 Max Ultra | Roomba Max 775 Combo | Difference | |
|---|---|---|---|
| Height | 110 mm | 105 mm | +5 mm |
| Width / diameter | 355 mm | 372 mm | −17 mm |
| Length | 355 mm | 372 mm | −17 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is J15 Max Ultra better than Roomba Max 775 Combo?
- Obstacle avoidanceAI camera vs Basic sensors (infrared / bumper)
- Battery capacity6,400 mAh vs 6,000 mAh+7%
Why is Roomba Max 775 Combo better than J15 Max Ultra?
- Mop typeRotating mop pads vs Roller mop
- Suction power22,000 Pa vs 30,000 Pa+36%
- Height110 mm vs 105 mm+5%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 22,000 Pa | 30,000 Pa |
| Main brush | — | Dual main brushes |
| Anti-tangle brush | — | Yes |
| Side brushes | 1 | 2 |
| Extending side brush | Yes | — |
| Carpet detection | Yes | Yes |
| Noise level | 67 dB | — |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | AI camera | Basic sensors (infrared / bumper) |
| Threshold climbing | 45 mm | — |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Roller mop |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | 12 mm | — |
| Extending mop (edges) | Yes | Yes |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 3 l | — |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | — |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 4 l | — |
| Dirty water tank (dock) | 3.4 l | — |
| Battery & runtime | ||
| Battery capacity | 6,400 mAh | 6,000 mAh |
| Runtime | 75 min | — |
| Charging time | — | 180 min |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 355 mm | 372 mm |
| Length | 355 mm | 372 mm |
| Height | 110 mm | 105 mm |
| Weight | — | 5.8 kg |
| Shape | Round | Round |
| Colours | White | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant, Apple Siri |
| Live camera view / video call | Yes | — |
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