iRobot Roomba Plus 515 Combo vs Roborock Saros 10R: Which to Buy

The Roborock Saros 10R is the better robot vacuum overall, rated 4.1 to 3.9. The Roborock Saros 10R leads on navigation and mopping. The iRobot Roomba Plus 515 Combo wins on value. The iRobot Roomba Plus 515 Combo costs $200 less ($599.99 vs $799.99).

Higher rated

Roborock Saros 10R

#64 in Self-cleaning dock4.1Full review

For pet homes with low furniture that can find it discounted; the Saros 20 replaces it with better carpet cleaning.

Amazon $799.99

$799.99

iRobot Roomba Plus 515 Combo

#86 in Self-cleaning dock3.9Full review

For large, low-furniture homes that want a hot-wash mopping dock and long runtime without paying for camera obstacle avoidance.

Amazon $599.99

$599.99

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 Roborock Saros 10R for navigation (LiDAR + camera vs LiDAR) and mopping (Dual spinning pads, leaves its mop at the dock for carpet, extends to edges vs Dual spinning pads, lifts 10 mm, extends to edges).
Choose the iRobot Roomba Plus 515 Combo for value ($600 vs $800).

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	Roborock Saros 10R	iRobot Roomba Plus 515 Combo
Overall rating	4.1/5	3.9/5
Cleaning 30%	60 measured 80% of sand from carpet, 91.5% of pet hair, no hair tangled	48 not yet tested; estimated from 3 tested iRobot robots and the median of the 70 tested robots
Value 25%	50 $800	67 $600
Dock 20%	100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent, optional water hookup	100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying
Navigation 15%	100 LiDAR + camera	65 LiDAR
Mopping 10%	86 Dual spinning pads, leaves its mop at the dock for carpet, extends to edges	76 Dual spinning pads, lifts 10 mm, extends to edges

Independent tests

Roborock Saros 10R

Tested by	Carpet deep clean	Pet hair	Hair tangle (0 = none)	Area per charge	Conditions
Vacuum Wars	80%	91.5%	0	1,334 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).