Eufy Omni C30 Edge Preorder
The C30 with a mop that reaches out to edges, for hard-floor homes with lots of baseboard and corners. Others save $300 with the plain C30.
Amazon $899.99$899.99
The Eufy Omni C30 Edge is the better robot vacuum overall, rated 4.0 to 3.9. The iRobot Roomba Plus 678 Combo wins on navigation and mopping.
iRobot Roomba Plus 678 Combo
A strong pick for hard-floor homes that want hot-water roller mopping and a full-service dock for less than iRobot’s flagship 875.
Amazon $899.99$899.99
Prices were last checked October 27, 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 iRobot Roomba Plus 678 Combo for navigation (LiDAR + camera vs LiDAR + 3D light) and mopping (Roller, lifts 10 mm, extends to edges vs Dual spinning pads, lifts 12 mm, extends to edges).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.
| Factor weight | Eufy Omni C30 Edge | iRobot Roomba Plus 678 Combo |
|---|---|---|
| Overall rating | 4.0/5 | 3.9/5 |
| Cleaning 30% | 68 not yet tested; estimated from 9 tested Eufy robots and the median of the 70 tested robots | 48 not yet tested; estimated from 3 tested iRobot robots and the median of the 70 tested robots |
| Value 25% | 42 $900 | 42 $900 |
| Dock 20% | 100 Self-empties the bin, washes the mop | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent |
| Navigation 15% | 85 LiDAR + 3D light | 100 LiDAR + camera |
| Mopping 10% | 78 Dual spinning pads, lifts 12 mm, extends to edges | 90 Roller, lifts 10 mm, extends to edges |
Specifications
| Eufy Omni C30 Edge | iRobot Roomba Plus 678 Combo | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 35,000 Pa | 30,000 Pa |
| Main brush | Anti-tangle floating rolling brush | hair-cutting multi-surface bristle brush |
| Mopping | ||
| Mop | Dual spinning pads, lifts 12 mm, extends to edges | Roller, lifts 10 mm, extends to edges |
| Mop lift | 12 mm | 10 mm |
| Leaves mop at dock | - | No |
| Extending mop | Yes | Yes |
| Water tank | 150 mL | - |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 2.5 L | - |
| Washes mop | Yes | Yes |
| Hot-water wash | - | Yes |
| Hot-air drying | - | Yes |
| Detergent dosing | - | Yes |
| Clean water tank | 3 L | - |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + camera |
| Obstacle avoidance | Line laser, recognises 100+ object types | PrecisionVision AI camera object recognition; SprayForce AI pre-treats detected stains |
| Climbs thresholds | 20 mm | 35 mm |
| Matter | Yes | - |
| Voice assistants | Alexa, Google Assistant, Siri | - |
| Build | ||
| Height | 4.5 in (114 mm) | 3.9 in (99 mm) |
| Retracting LiDAR | No | - |
| Battery | 5,200 mAh | 6,000 mAh |
| Weight | 10.8 lb (4.9 kg) | 10.7 lb (4.8 kg) |
| Warranty | 1 year | - |
| Released | 2026-09 | 2026-09 |