Roborock Saros 20 Flow Announced

How the Roborock Saros 20 Flow compares

We track 98 robot vacuums. Here is where this one sits on the figures its maker publishes, computed from the sourced values in our database.

• Suction 36,000 Pa: higher than 89 and lower than 1, level with 3 of the other 93 robot vacuums that publish it (median 19,250 Pa).
• Height 89.8 mm (3.5 in): higher than 22 and lower than 68, level with 1 of the other 91 robot vacuums that publish it (median 97.3 mm (3.8 in)).
• Weight 5.2 kg (11 lb): higher than 48 and lower than 17, level with 1 of the other 66 robot vacuums that publish it (median 4.5 kg (10 lb)).
• Mop lift height 15 mm (0.6 in): higher than 45 and lower than 6, level with 6 of the other 57 robot vacuums that publish it (median 10.5 mm (0.4 in)).
• Threshold climb 88 mm (3.5 in): the joint highest of the 65 robot vacuums that publish it (median 24.9 mm (1 in)).
• Mop-wash temperature 100 °C (212 °F): the joint highest of the 52 robot vacuums that publish it (median 75 °C (167 °F)).

Its lowest published US-dollar price, US$1,699.99, is above 78 and below 1 of the 80 robot vacuums with a published US-dollar price (median US$800).

Roborock publishes 23 of the 32 figures we track for the Roborock Saros 20 Flow (72%). The median across the 98 robot vacuums in our database is 72%, so it discloses more than 48 of them. Not published by the maker: runtime, noise.

Background reading: Robot vacuum and mop buying guide 2026.