RankedRoborock Saros 20 vs Roborock Saros 20 Sonic
Key facts
Roborock Saros 20 (Roborock; Shipping) and Roborock Saros 20 Sonic (Roborock; Shipping) are both robot vacuums. Published figures: suction 36,000 Pa vs 36,000 Pa; robot height 79.8 mm (3.1 in) vs 79.8 mm (3.1 in); threshold climb 45 mm (1.8 in) vs 45 mm (1.8 in). Published for only one of them: weight (Roborock Saros 20: 5.1 kg (11 lb)); runtime (Roborock Saros 20 Sonic: 3 h). Price: Roborock Saros 20 US$1,599.99, US (official price); Roborock Saros 20 Sonic US$1,699.99, US (official price). RankedRobot rank among robot vacuums & mops: Roborock Saros 20 #4 of 40 (score 61.2, grade B), Roborock Saros 20 Sonic #6 of 40 (score 60.4, grade B). Disclosure: Roborock Saros 20 has 21 sourced values (64% of tracked fields), Roborock Saros 20 Sonic has 22 (65%).
Cite: RankedRobot, https://rankedrobot.com/compare/roborock-saros-20-vs-roborock-saros-20-sonic/ (checked 2026-09-29) · Every figure below links to its source · Roborock Saros 20 spec sheet · Roborock Saros 20 Sonic spec sheet
| Spec | Roborock Saros 20 | Roborock Saros 20 Sonic |
|---|---|---|
| Status | Shipping | Shipping |
| Price | US$1,599.99, US (official price) source | US$1,699.99, US (official price) source US$1,499.99, US (official store sale price) source |
| Rank in category | #4 of 40 · 61.2 · grade B | #6 of 40 · 60.4 · grade B |
| Launch | ||
| Announced | ||
| Status | ||
| Body | ||
| Dimensions | ||
| Weight | ||
| IP rating | ||
| Cleaning | ||
| Suction (as stated) | ||
| Navigation | ||
| Obstacle avoidance | ||
| Mopping system | ||
| Carpet detection | Dynamic Carpet Cleaning up to 1.18 in pile with adaptive height adjustmentManufacturerSource: us.roborock.com (2026-09-29) | |
| Robot height | ||
| Threshold climb | 45 mm (1.8 in)ManufacturerSource: global.roborock.com (2026-09-29)Maker's figure is an "up to" value. | |
| Dock | ||
| Dock features | Auto-empty · Mop washing · Hot-water mop wash · Hot-air drying · Auto refill · Detergent dispensing · Self cleanManufacturerSource: us.roborock.com (2026-09-29) | Mop washing · Hot-water mop wash · Hot-air drying · Detergent dispensing · Self cleanManufacturerSource: us.roborock.com (2026-09-29) |
| Mop-wash temperature | 100 °C (212 °F)ManufacturerSource: help.roborock.com (2026-09-29)Maker's figure is an "up to" value. | |
| Drying temperature | ||
| Dock bag | ||
| Clean-water tank | ||
| Dirty-water tank | ||
| Robot dustbin | ||
| Everyday use | ||
| Runtime | 3 hManufacturerSource: us.roborock.com (2026-09-29)Conditions: Vac & Mop mode, Balanced suctionMaker's figure is an "up to" value. | |
| Noise | ||
| Smart home | ||
| Warranty | ||
| Power | ||
| Battery | ||
| Runtime | 3 hManufacturerSource: us.roborock.com (2026-09-29)Conditions: Vac & Mop mode, Balanced suctionMaker's figure is an "up to" value. | |
| Charge time | ||
| Hot-swappable battery | ||
| Commercial | ||
| Regions sold | ||
Confidence labels: Manufacturer = stated by the maker · Verified = independently confirmed · Reported = credible media or retailer, not confirmed by the maker · ⚠ Unconfirmed = leak or single source · Not disclosed = not published. We never estimate missing figures. Add more robots to this comparison.
Quick answers
What is the difference between the Roborock Saros 20 and the Roborock Saros 20 Sonic?
Published figures: suction 36,000 Pa vs 36,000 Pa; robot height 79.8 mm (3.1 in) vs 79.8 mm (3.1 in); threshold climb 45 mm (1.8 in) vs 45 mm (1.8 in). Published for only one of them: weight (Roborock Saros 20: 5.1 kg (11 lb)); runtime (Roborock Saros 20 Sonic: 3 h).
Which is cheaper, the Roborock Saros 20 or the Roborock Saros 20 Sonic?
Price: Roborock Saros 20 US$1,599.99, US (official price); Roborock Saros 20 Sonic US$1,699.99, US (official price). Prices are shown exactly as published, never converted or estimated.
Which ranks higher, the Roborock Saros 20 or the Roborock Saros 20 Sonic?
RankedRobot rank among robot vacuums & mops: Roborock Saros 20 #4 of 40 (score 61.2, grade B), Roborock Saros 20 Sonic #6 of 40 (score 60.4, grade B). Method: https://rankedrobot.com/robot500/#method
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