Roborock Saros 20 review: the robot vacuum that climbs over almost anything

The Roborock Saros 20 is the brand's flagship robot vacuum and mop for 2026. Roborock announced it at CES in January 2026, and it reached Europe in February and the US, UK and Australia in March. It follows the Saros 10R and keeps what made that model good: strong suction, a low body without a LiDAR turret, and a dock that handles nearly all the upkeep. The headline upgrade is a third-generation AdaptiLift chassis that lifts the robot over tall door thresholds and holds it at the right height on thick rugs.

This Roborock Saros 20 review is based on Roborock's specifications, published hands-on reviews and owner reports. We look at cleaning performance, navigation, the dock, running costs and value, and how it compares with rivals like the Eufy Omni S2.

Design: low profile, clever legs

Most flagship robot vacuums have a LiDAR turret on top, which adds height. The Saros 20 uses Roborock's StarSight 2.0 system, which combines 3D sensors with an RGB camera, so the body stays flat. Roborock says it can clean under furniture with about 8 cm (3.13 in) of clearance, and TechRadar's reviewer found it slid under low furniture easily.

The main roller combines rubber fins with bristles and is split in the middle to reduce hair wrap. A side brush swings out to reach along walls, and one of the two spinning mop pads also extends outward to mop close to skirting boards. When the robot only needs to vacuum, it leaves its mop pads in the dock. On mop-only runs it raises the main roller so it doesn't pick up wet dirt.

Roborock Saros 20 suction and carpet cleaning

Roborock rates suction at 36,000 Pa, among the highest figures on the market in 2026. Pa ratings are not directly comparable between brands, but independent testing backs up the number here. In TechRadar's tests, the Saros 20 cleared nearly all the oats from mid-pile carpet in a couple of passes and handled fine tea particles well. On hard floors it needed a higher power setting for the finest dust.

Pet hair is where it stands out. In the same review, dog hair rubbed deep into carpet was almost entirely removed after two passes and nearly gone after four, a result that usually needs a stick vacuum. The self-empty dock also didn't clog despite plenty of pet hair.

The AdaptiLift 3.0 chassis matters most on rugs. The robot measures carpet depth in front of it and raises itself to a preset height for pile up to 3 cm, so the brush can work without getting stuck in the fibres.

Threshold climbing and navigation

Roborock says the Saros 20 can clear two-step thresholds up to about 8.8 cm (3.46 in). TechRadar lists this as 4.5 cm plus 4 cm steps. Reviewers found the robot hesitant at first, but it learned to cross a chunky threshold by backing up, lifting its front and approaching at speed. If your home has raised door frames or split levels between rooms, few robots handle them this well.

Mapping is quick and accurate, and in day-to-day use the robot followed logical routes and rarely needed rescuing. Roborock says it recognises more than 200 object types as small as 2 cm. In testing it steered carefully around shoes and judged gaps between objects, though it still pushed a few items around and ate the odd cable. It is a good choice for fairly cluttered homes, but a quick tidy before a run still helps.

Mopping and the RockDock

The twin spinning pads left tiled floors evenly clean and streak-free in published tests, and the robot reliably avoided mopping thin rugs. Sticky messes are harder. Soy sauce was smeared on the first pass and cleared on the second, while honey still needed a cloth. That is a limit of spinning pads: they are only rinsed back at the dock. Roller mops such as the Eufy Omni S2's are rinsed while cleaning and tend to cope better with wet spills.

The RockDock is fully featured. It empties the bin, refills the water tank, doses detergent, washes the mop pads with water at up to 100°C and dries them with 55°C air. New for this model, it also dries its base and the internal dust bag to prevent musty smells. One reviewer found the only regular jobs over about a month were filling the clean tank and emptying the dirty one. The drying cycle adds a low hum.

App and smart home

The Roborock app is mature and stable, with detailed maps, room-by-room settings, schedules and presets. The downside is that there are so many options that some menus feel crowded, and less tech-savvy owners may stick to the presets. The Saros 20 supports Matter, so it can join Apple Home, Google Home, Alexa and SmartThings setups that use the standard.

Is the Roborock Saros 20 worth it?

The Saros 20 costs about as much as a robot vacuum can, but its price is in line with other brands' flagships, and Roborock models tend to get discounted within months of launch. It is worth it if you have thick rugs, pets, high thresholds or low furniture, since the lifting chassis and slim body solve problems cheaper robots cannot.

If your home is mostly flat hard floors, you can pay much less. The sister model, the Saros 20 Sonic, uses a single vibrating mop and a retractable LiDAR turret. Older flagships like the Saros 10R also clean very well.

• Buy it if: you have mixed floors, pets, deep rugs or tall thresholds
• Skip it if: your home is small and flat, or sticky kitchen spills are your main problem

Key specs

Suction

36,000 Pa (HyperForce motor)

Navigation

StarSight 2.0 with 3D sensors and RGB camera, no raised LiDAR turret

Threshold climbing

Up to about 8.8 cm (3.46 in) on two-step thresholds, per Roborock

Carpet handling

Auto-lift for pile up to 3 cm (1.18 in)

Mop system

Dual spinning pads, one extends to edges

Dock

Auto-empty, 100°C mop wash, 55°C hot-air drying, refill, detergent dosing, dust bag drying

Smart home

Roborock app, Matter, major voice assistants

Launched

CES, January 2026

Alternatives to consider

• Eufy Omni S2: A similarly priced flagship with a self-rinsing roller mop and excellent obstacle avoidance.
• Dreame L60 Pro Ultra: Also climbs high thresholds with lifting legs and performs very well on pet hair.
• Ecovacs Deebot T90 Pro Omni: Strong roller-mop cleaning for noticeably less money.

Frequently asked questions

The Roborock Saros 20 is one of the best robot vacuums you can buy in 2026. It cleans carpets and pet hair better than most rivals, its lifting chassis gets past thresholds that stop other robots, and the dock takes care of nearly everything else. Its weak spots are a very high price and a mop that is good rather than best-in-class on sticky messes. If your home has rugs, pets or awkward floor transitions, it earns its price, especially once discounts appear.

How we research: Reviews are based on the maker’s specifications, published independent tests and owner reports. Scores compare the product with others in its class.