Head-to-head · Best Robot Vacuums

Roborock QRevo Curv 2 Flow vs Roborock Saros 20

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Roborock Saros 20 comes out ahead by a clear margin (4.0 vs 4.4). The gap is mostly about tech-savvy users wanting premium cleaning and app control — read the strengths below before deciding.

Ranked #9 in Best Robot Vacuums

Roborock QRevo Curv 2 Flow

4.0

$999.99as of Jul 6

The Roborock Qrevo Curv 2 Flow delivers strong vacuuming performance with 20,000 Pa suction and a 325 ml dustbin, but disappoints in mopping capabilities, particularly on dried stains. RTINGS.com noted its SpiraFlow roller mop handles wet spills well but falls short in real-world testing. YouTube reviewer Jamie Andrews confirmed excellent carpet pickup (96% recovery) but found the mop system only partially effective on baked-on stains, requiring multiple passes. The device features solid navigation and app functionality but lags behind its predecessor in obstacle avoidance. This model is best for users prioritizing vacuuming over mopping, with pet owners benefiting from its live monitoring features.

Strengths

— Strong vacuum performance with 20,000 Pa suction power
— Larger 325 ml dustbin capacity compared to previous model
— Effective SpiraFlow roller mop system for wet spills

Watch-outs

— Below-average mopping performance on dried stains
— Poor obstacle avoidance compared to CurvX model
— Unimpressive airflow and suction in real-world testing

$999.99 · Check Price on Amazon Full review →

Higher ratedRanked #3 in Best Robot Vacuums

Roborock Saros 20

4.4

$1,599.99as of Jul 6

The Roborock Saros 20 delivers exceptional cleaning performance with its 36,000 Pa suction and dual mop system that adapts pressure based on mess level. Mark Ellis Reviews called it 'super easy to set up' and praised its 'brilliantly designed app,' while Vacuum Wars noted its 'standout mopping' and 'very high official suction rating.' However, both reviewers acknowledged it struggles with larger debris and heavily stained floors. This premium robot vacuum is ideal for users seeking a high-end, automated cleaning solution but may not suit those on a budget or with very challenging floor conditions.

Strengths

— Easy setup and operation with brilliant app design
— Top-class object avoidance and mapping capabilities
— High suction power at 36,000 Pa for effective vacuuming

Watch-outs

— Can struggle with larger bits of debris
— Requires manual intervention for heavily stained floors
— Premium price point of $1,499/£1,309

$1,599.99 · Check Price on Amazon Full review →

How they stack up

Roborock QRevo Curv 2 Flow

The Roborock QRevo Curv 2 Flow provides strong vacuuming and a larger dustbin compared to the Dreame D30 Ultra, but it underperforms in mopping compared to the Ecovacs T90 Pro Omni and Mova V50. It also lacks the advanced navigation of the Narwal Flow 2 and the superior carpet cleaning of the Roborock Q10 S5+, making it best for users prioritizing vacuuming over mopping.

Roborock Saros 20

The Roborock Saros 20 excels in suction power and app usability, surpassing the Dreame X60 Max Ultra and Ecovacs T90 Pro Omni in both performance and ease of use. However, it's significantly more expensive than the Mova V50 and Lefant M5 Max, and its navigation and obstacle avoidance are less refined than the Narwal Flow 2's AI-driven system.

Specs side-by-side

Spec	Roborock QRevo Curv 2 Flow	Roborock Saros 20
Suction Power	20000 Pa	36,000 Pa
Navigation Type	Spinning Lidar	Embedded 3D ToF Lidar
Battery Life	242 Minutes	Up to 180 minutes
Dust Bin Capacity	324ml	259ml
Mop Type	SpiraFlow™ Real-Time Self-Cleaning Mop	Dual spinning mop pads
Robot Height	approx. 12 cm	7.98 cm
Dock Features	Self-cleaning, self-emptying, heated mop drying	Hot-Water Self-Cleaning
Obstacle Recognition	Single Camera & Structured Light	Reactive Al 3.0

← See the full ranking of best robot vacuums