Roborock Saros 10R vs Roborock Saros 20 Flow

For raw suction the Roborock Saros 20 Flow is ahead at 36,000 Pa against 22,000 Pa on the Roborock Saros 10R, and it runs up to 301 minutes against 180, which wins it the matchup. The Roborock Saros 10R is the more practical pick for low furniture, tall thresholds, long hair, and anyone who wants the tank and bin figures documented.

Suction and body. The Roborock Saros 20 Flow is rated at 36,000 Pa in an 89.8 mm body, while the Roborock Saros 10R is rated at 22,000 Pa but is slimmer at 79.8 mm and uses a riser chassis to climb high thresholds.

The Roborock Saros 10R is the better bet there. Its 79.8 mm body and riser chassis are designed to slip under low furniture and climb thresholds, while the Roborock Saros 20 Flow is 89.8 mm tall with no threshold-riser claim.

The Roborock Saros 10R is the one with zero-tangling split brushes that owners single out. The Roborock Saros 20 Flow lists a side brush and carpet cleaning but makes no anti-tangle claim.

Homes with low furniture or tall thresholds, pet and long-hair households, and buyers who want published tank and bin figures along with a lower price than the newer Saros 20 Flow.

Buyers who want the strongest suction in the Saros line, the longest run and the newest generation, and who can accept that Roborock has not published its tank and bin sizes.