Robot Vacuums · Head-to-head

Roborock Q7 M5+ vs Roborock Saros 20

Roborock Q7 M5+
Best Budget

Roborock Q7 M5+

6.5/10
$249.98 at Amazon
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Roborock Saros 20
Best for Thick Rugs and High Thresholds

Roborock Saros 20

8.0/10
$1,599.99 at Amazon
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The short answer

Roborock Saros 20 comes out ahead overall with 8.0/10 against 6.5/10 for the Roborock Q7 M5+. Roborock Q7 M5+ is stronger on value. Roborock Saros 20 is stronger on cleaning performance, obstacle avoidance, mopping, dock / automation, maintenance and features / app. At current verified prices, the Roborock Q7 M5+ costs about $1,350.01 less.

Scores by criterion

CriterionRoborock Q7 M5+Roborock Saros 20
Cleaning Performance 7.0Good for the price (RTINGS, TechRadar). 8.589% sand, 88% pet hair (Vacuum Wars).
Navigation 7.8PreciSense LiDAR. 7.50.67 m²/min against a 0.70 average, and 1,038 sq ft against 1,170; climbed a 57 mm threshold.
Obstacle Avoidance 5.5Patchy (TechRadar). 7.3Avoided 17 of 24 objects (Vacuum Wars).
Mopping 4.5Static drag pad only. 8.3Combined score 25.2 against a 20.3 average.
Dock / Automation 6.5Auto-empty only. 8.8Full dock with 212°F washing and drying.
Maintenance 5.543% hair wrap (Vacuum Wars). 8.20% hair wrap, but the 260 mL bin is small.
Features / App 8.0Full Roborock app. 8.5Roborock app.
Noise 6.5Not measured; flat 6.5. 6.5Not measured; flat 6.5.
Value 9.0About $250. 5.5$1,599.99 from a third-party seller.

Specifications

SpecRoborock Q7 M5+Roborock Saros 20
Suction 10,000 Pa 36,000 Pa
Workflow type Vacuum + basic mop, auto-empty dock Vacuum + mop, all-in-one dock
Robot Height 3.9 in 3.14 in
Auto Empty Yes Yes
Mop Washing No Yes
Mop Drying No Yes
Navigation Type PreciSense LiDAR Vision-based navigation + Reactive AI obstacle avoidance
Mop Type Static drag pad Dual rotating pads, liftable
Battery Capacity 3,200 mAh 6,400 mAh
Anti-Tangle Brush — Yes
Hot-Water Mop Wash — Yes

Roborock Q7 M5+

Pros

  • LiDAR mapping at a budget price
  • 10,000Pa suction
  • Auto-empty dock rated for 7 to 9 weeks
  • Well-regarded app
  • Lowest price in this guide

Cons

  • 43% long-hair wrap on the roller
  • Patchy obstacle avoidance
  • Basic drag-pad mopping with no mop washing
  • Smaller 3,200 mAh battery; taller 3.9-inch body

A sound buy for a tight budget and a mostly hard-floor or low-pile home. Pick up cables and socks first, and it will do the job.

Full Roborock Q7 M5+ review →

Roborock Saros 20

Pros

  • Record 57 mm threshold climb in lab testing
  • 89% embedded-sand pickup on carpet
  • 0% hair wrap
  • Above-average mopping score
  • Self-emptying, mop-washing and drying dock

Cons

  • Avoided 17 of 24 obstacles
  • Below-average coverage per charge
  • Small 260 mL bin
  • Tom's Guide reported leftover litter; premium price from a third-party seller

A specialist. If thick rugs and raised thresholds are your problem, it solves them better than anything else here. For general use, the Dreame or CurvX is the better buy.

Full Roborock Saros 20 review →

Both products are part of our guide The Best Robot Vacuums of 2026, where you can see every pick, how we score and current prices from each retailer.