Roborock Saros 20 vs eufy Omni S2: which fits your home?
The published differences, side by side, with the makers’ store prices of Oct 23, 2026.
Pick the Roborock Saros 20 for higher door sills (up to 1.77 in) and hotter mop washing (up to 212°F). Pick the eufy Omni S2 for thicker rugs (up to 2 in) and fewer bag changes (up to 68 days).
The two robots
- Height
- 3.14 in
- Door sill
- 1.77 in
For higher door sills (up to 1.77 in)
Roborock Saros 20
- 3D sensor and camera mapping
- Recognizes 300+ object types
- Spinning pads
- Full dock
- Rated for door sills up to 1.77 in, or two stacked sills up to 3.46 in
- Only 3.14 in tall, for low sofas and beds
$1,599.99at Roborock, checked Oct 23; Amazon’s may differ
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- Height
- Not published
- Door sill
- 1.38 in
For thicker rugs (up to 2 in)
eufy Omni S2
- 3D sensor mapping
- Recognizes 200+ object types
- Roller mop
- Full dock
- Lifts its chassis for rugs up to 2 in
- Raises its roller mop 1.1 in over carpet
Pick the Roborock Saros 20 if
- It’s rated for door sills up to 1.77 in, against 1.38 in.
- It washes its mops in water up to 212°F, against 140°F.
Pick the eufy Omni S2 if
- Rugs up to 2 in, against carpet pile up to 1.18 in.
- eufy says its dock holds up to 68 days of dust, against 65 days.
Published for only one of them
- Height: the Roborock Saros 20 is 3.14 in tall; eufy doesn’t publish the eufy Omni S2’s height.
Side by side
| Roborock Saros 20 | eufy Omni S2 |
|---|---|
| What the dock does | |
|
|
| Door sills | |
| 1.77 in single, 3.46 in for two stacked sills | 1.38 in single, 1.65 in for two stacked sills |
| Robot height | |
| 3.14 in | Not published |
| Rugs and carpet | |
| Carpet pile up to 1.18 in | Rugs up to 2 in |
| Mop | |
| Spinning pads | Roller |
| Mop on carpet | |
| Lifts or detaches its mops (by mode) and lifts its chassis | Lifts the roller 1.1 in |
| Mop wash water | |
| Up to 212°F | 140°F |
| Mop drying | |
| Warm air, 131°F | Warm air, 131°F |
| Suction (maker’s figure) | |
| 36,000 Pa | 30,000 Pa |
| Noise (maker’s figure) | |
| Not published | Not published |
| Navigation | |
| Camera and 3D time-of-flight | 3D time-of-flight |
| Obstacle recognition | |
| Structured light, RGB camera and side laser; 300+ object types | 3D MatrixEye 2.0; 200+ object types, from 0.4 in |
| Edges and corners | |
| FlexiArm extends the side brush and mop into corners | Roller extends 0.59 in, plus a corner arm |
| Main brush | |
| DuoDivide anti-tangle main brush | DuoSpiral anti-tangle brushes |
| Dust storage in dock | |
| Up to 65 days | Up to 68 days |
| Warranty | |
| 1 year | 1 year |
| Matter | |
| Works with Matter | Works with Matter |
| On sale in the US since | |
| March 23, 2026 | late March 2026 |
Questions
Which is cheaper, the Roborock Saros 20 or the eufy Omni S2?
They cost the same at the makers’ stores: $1,599.99 (checked Oct 23, 2026).
Which climbs higher door sills?
The Roborock Saros 20, rated for sills up to 1.77 in; the eufy Omni S2 is rated up to 1.38 in.
What do their docks do?
The Roborock Saros 20 has a full dock that empties the bin, washes the mops and refills the water tank. The eufy Omni S2 has a full dock that empties the bin, washes the mops and refills the water tank.
How do they mop?
The Roborock Saros 20: spinning pads. The eufy Omni S2: roller.
Sources
- Roborock Saros 20: Roborock Saros 20 product page; Roborock Saros 20 spec page; US launch, WiFi HiFi, Mar 12, 2026; store price read Oct 23, 2026
- eufy Omni S2: eufy Omni S2 order page; eufy Omni S2 feature page; eufy robot vacuum collection (price); US launch, Vacuum Wars; eufy Omni S2 with Auto Refill and Drainage System, eufy’s bundle page (spec table: self-emptying, self-refilling, navigation); eufy refund and warranty policy (RoboVac 12 months), Oct 19, 2026; store price read Oct 23, 2026