Eufy Omni C20
The cheapest way into a dock that washes the mops, for small homes with low furniture. Its weak carpet cleaning and short range rule it out for bigger or carpeted homes.
Amazon $379.99$379.99
The Eufy Omni C20 is the better robot vacuum overall, rated 3.7 to 3.5. The Eufy Omni C20 leads on value. The Roborock Qrevo Slim wins on navigation and mopping. The Eufy Omni C20 costs $1,020 less ($379.99 vs $1,399.99).
Roborock Qrevo Slim
Only worth it deeply discounted for very low furniture; newer slim Roborocks clean better for less.
Amazon $1,399.99$1,399.99
Prices were last checked October 26, 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 Eufy Omni C20 for value ($380 vs $1,400).
- Choose the Roborock Qrevo Slim for navigation (LiDAR + camera vs LiDAR) and mopping (Dual spinning pads, lifts 10 mm, extends to edges vs Dual spinning pads, lifts 10.4 mm).
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 C20 | Roborock Qrevo Slim |
|---|---|---|
| Overall rating | 3.7/5 | 3.5/5 |
| Cleaning 30% | 36 measured 75% of sand from carpet, 96% of pet hair, some hair tangled (0.5) | 40 measured 76% of sand from carpet, 80% of pet hair, some hair tangled (0.2) |
| Value 25% | 95 $380 | 15 $1,400 |
| Dock 20% | 68 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, optional water hookup |
| Navigation 15% | 65 LiDAR | 100 LiDAR + camera |
| Mopping 10% | 61 Dual spinning pads, lifts 10.4 mm | 76 Dual spinning pads, lifts 10 mm, extends to edges |
Independent tests
Eufy Omni C20
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 75% | 96% | 0.5 | 546 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Roborock Qrevo Slim
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 76% | 80% | 0.2 | 1,160 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Specifications
| Eufy Omni C20 | Roborock Qrevo Slim | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 7,000 Pa | 11,000 Pa |
| Main brush | Rolling brush with Pro-Detangle Comb | DuoRoller Riser all-rubber brushes |
| Dustbin | 250 mL | 220 mL |
| Extending side brush | No | Yes |
| Mopping | ||
| Mop | Dual spinning pads, lifts 10.4 mm | Dual spinning pads, lifts 10 mm, extends to edges |
| Mop lift | 10.4 mm | 10 mm |
| Leaves mop at dock | No | No |
| Extending mop | No | Yes |
| Water tank | - | 72 mL |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 3.1 L | - |
| Washes mop | Yes | Yes |
| Hot-water wash | No | Yes |
| Hot-air drying | No | Yes |
| Detergent dosing | - | Yes |
| Water hookup option | No | Yes |
| Clean water tank | 2.5 L | - |
| Navigation & app | ||
| Navigation | LiDAR | LiDAR + camera |
| Obstacle avoidance | Infrared and point laser for larger obstacles only | 3D sensors and RGB camera |
| Climbs thresholds | 18 mm | 20 mm |
| Matter | No | Yes |
| Voice assistants | Alexa, Google Assistant | Alexa, Google Assistant, Siri |
| Build | ||
| Height | 3.3 in (85 mm) | 3.2 in (82 mm) |
| Retracting LiDAR | No | No |
| Battery | 3,200 mAh | 5,200 mAh |
| Run time | Up to 1 h 41 min | Up to 3 h |
| Weight | 7.3 lb (3.3 kg) | 9 lb (4.1 kg) |
| Warranty | 1 year | 1 year |
| Released | 2024-11 | 2024-09 |