RankedRoborock S8 Max Ultra vs Roborock Saros 20 Flow
Key facts
Roborock S8 Max Ultra (Roborock; Shipping) and Roborock Saros 20 Flow (Roborock; Announced) are both robot vacuums. Published figures: suction 8,000 Pa vs 36,000 Pa; robot height 96.5 mm (3.8 in) vs 89.8 mm (3.5 in). Published for only one of them: weight (Roborock Saros 20 Flow: 5.2 kg (11 lb)); threshold climb (Roborock Saros 20 Flow: 88 mm (3.5 in)). Price: Roborock S8 Max Ultra US$1,699.99 (S8 Max Ultra with Refill & Drainage System), US (official price); Roborock Saros 20 Flow US$1,699.99, US (official price). RankedRobot rank among robot vacuums & mops: Roborock S8 Max Ultra not ranked (new to the database: joins the ranking at the next monthly update (1 november 2026)), Roborock Saros 20 Flow not ranked (new to the database: joins the ranking at the next monthly update (1 november 2026)). Disclosure: Roborock S8 Max Ultra has 24 sourced values (80% of tracked fields), Roborock Saros 20 Flow has 23 (72%).
Cite: RankedRobot, https://rankedrobot.com/compare/roborock-s8-max-ultra-vs-roborock-saros-20-flow/ (checked 2026-10-06) · Every figure below links to its source · Roborock S8 Max Ultra spec sheet · Roborock Saros 20 Flow spec sheet
| Spec | Roborock S8 Max Ultra | Roborock Saros 20 Flow |
|---|---|---|
| Status | Shipping | Announced |
| Price | US$1,699.99 (S8 Max Ultra with Refill & Drainage System), US (official price) source US$649.99 (S8 Max Ultra with Refill & Drainage System), US (official store sale price) source | US$1,699.99, US (official price) source |
| Rank in category | Not ranked | Not ranked |
| Launch | ||
| Announced | ||
| Status | ||
| Body | ||
| Dimensions | ||
| Weight | ||
| Cleaning | ||
| Suction (as stated) | 8,000 PaManufacturerSource: us.roborock.com (2026-10-06)Conditions: Max+ mode, full battery, IEC 62885-2:2021 / 5.11 (maker internal testing) | |
| Navigation | RetractSense Navigation System (elevated LDS, 360-degree scanning)ManufacturerSource: us.roborock.com (2026-10-03) | |
| Obstacle avoidance | ||
| Mopping system | vibrating_pads: VibraRise® 3.0, dual vibration modules, 4000 times/minManufacturerSource: help.roborock.com (2026-10-06) | |
| Mop lift height | ||
| Carpet detection | Carpet Boost+ System; mop lifts up to 20 mm on carpetsManufacturerSource: us.roborock.com (2026-10-06) | |
| Robot height | ||
| Threshold climb | Not tracked | |
| Dock | ||
| Dock features | Auto-empty · Mop washing · Hot-water mop wash · Hot-air drying · Auto refill/drain · Detergent dispensing · Self cleanManufacturerSource: us.roborock.com (2026-10-06) | |
| Mop-wash temperature | ||
| Drying temperature | ||
| Dock bag | Not tracked | |
| Clean-water tank | ||
| Dirty-water tank | Not tracked | |
| Robot dustbin | ||
| Everyday use | ||
| Runtime | ||
| Noise | ||
| Smart home | ||
| Warranty | ||
| Power | ||
| Battery | ||
| 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 · Estimate = our calculation from official figures, method shown · Not disclosed = not published. We never guess missing figures. Add more robots to this comparison.
Quick answers
What is the difference between the Roborock S8 Max Ultra and the Roborock Saros 20 Flow?
Published figures: suction 8,000 Pa vs 36,000 Pa; robot height 96.5 mm (3.8 in) vs 89.8 mm (3.5 in). Published for only one of them: weight (Roborock Saros 20 Flow: 5.2 kg (11 lb)); threshold climb (Roborock Saros 20 Flow: 88 mm (3.5 in)).
Which is cheaper, the Roborock S8 Max Ultra or the Roborock Saros 20 Flow?
Price: Roborock S8 Max Ultra US$1,699.99 (S8 Max Ultra with Refill & Drainage System), US (official price); Roborock Saros 20 Flow US$1,699.99, US (official price). Prices are shown exactly as published, never converted or estimated.
Which ranks higher, the Roborock S8 Max Ultra or the Roborock Saros 20 Flow?
RankedRobot rank among robot vacuums & mops: Roborock S8 Max Ultra not ranked (new to the database: joins the ranking at the next monthly update (1 november 2026)), Roborock Saros 20 Flow not ranked (new to the database: joins the ranking at the next monthly update (1 november 2026)). Method: https://robot500.com/methodology/
Other comparisons
- Dreame X60 Max Ultra Complete vs Roborock S8 Max Ultra
- Dreame X60 Max Ultra Complete vs Roborock Saros 20 Flow
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