iRobot Roomba Plus 678 Combo vs Roborock Qrevo S5V: Which to Buy

The Roborock Qrevo S5V is the better robot vacuum overall, rated 4.2 to 3.9. The iRobot Roomba Plus 678 Combo wins on navigation and mopping.

Higher rated

Roborock Qrevo S5V

#40 in Self-cleaning dock4.2Full review

For carpet and pet homes that want strong deep cleaning from a self-cleaning robot without camera features; shop around, as the CurvX often costs less.

Amazon $899.99

$899.99

iRobot Roomba Plus 678 Combo

#83 in Self-cleaning dock3.9Full review

A strong pick for hard-floor homes that want hot-water roller mopping and a full-service dock for less than iRobot’s flagship 875.

Amazon $899.99

$899.99

Prices were last checked October 27, 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 iRobot Roomba Plus 678 Combo for navigation (LiDAR + camera vs LiDAR + 3D light) and mopping (Roller, lifts 10 mm, extends to edges vs Dual spinning pads, lifts 10 mm, extends to edges).

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 Qrevo S5V	iRobot Roomba Plus 678 Combo
Overall rating	4.2/5	3.9/5
Cleaning 30%	89 measured 92% of sand from carpet, 92% 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%	42 $900	42 $900
Dock 20%	100 Self-empties the bin, washes the mop, hot-air mop drying	100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent
Navigation 15%	85 LiDAR + 3D light	100 LiDAR + camera
Mopping 10%	76 Dual spinning pads, lifts 10 mm, extends to edges	90 Roller, lifts 10 mm, extends to edges

Independent tests

Roborock Qrevo S5V

Tested by	Carpet deep clean	Pet hair	Hair tangle (0 = none)	Area per charge	Conditions
Vacuum Wars	92%	92%	0	1,160 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).