Roborock Qrevo Curv vs Dreame X40 – Check Which One Is Best & Why?

Roborock Qrevo Curv & Dreame X40 Ultra share many similarities, but there are also important differences, such as quality, performance, features, design, and connectivity. If you want the best one between them, I Would recommend the Roborock Qrevo Curv rather than the Dreame X40 Ultra.

Why Do I Recommend The Roborock Qrevo Curv?

  • The Roborock Qrevo Curv features 18,500 Pa HyperForce suction for stronger debris pickup from deep carpet fibers and heavy particles on hard floors, whereas the Dreame X40 uses 12,000 Pa suction.
  • Roborock Qrevo Curv comes with an AdaptiLift adjustable chassis for climbing thresholds up to about 40 mm and maintaining stable traction over uneven surfaces, while the Dreame X40 uses a fixed chassis with about 22 mm obstacle clearance.
  • It includes the DuoDivide split anti-tangle main brush for separating hair strands and preventing wraparound buildup during long cleaning cycles, whereas the Dreame X40 uses a TriCut brush system that relies on cutting blades to manage tangled hair.
  • The Roborock Qrevo Curv features FlexiArm Arc edge cleaning technology for extending the side brush outward to reach along walls and corners more consistently during navigation, while the Dreame X40 uses a standard extendable side brush mechanism.
  • Roborock Qrevo Curv comes with an ultra-slim 79.8 mm robot height for reaching under low furniture such as sofas and cabinets where taller robots cannot fit, whereas the Dreame X40 has a taller 97 mm body design.
  • It includes mop washing with water heated to about 80 °C for dissolving sticky residues and oily stains more effectively during automatic dock cleaning cycles, while the Dreame X40 washes mop pads using water around 70 °C.
  • The Roborock Qrevo Curv features a 62 dB quieter cleaning profile for reducing audible disturbance during night cleaning or work-from-home environments, while the Dreame X40 can reach about 76 dB in operation.
  • Roborock Qrevo Curv supports 400 m² cleaning coverage per full charge for handling larger homes with fewer recharge interruptions, whereas the Dreame X40 typically covers around 300 m² in a single cleaning cycle.

Maybe the Dreame X40 Ultra can make you comfortable because it’s a little bit cheaper than the Roborock Qrevo Curv. But you have to compromise all the above-mentioned features. Now the Decision is Yours. I hope it was helpful to choose the right one.

Side-by-Side Comparison

FeatureRoborock Qrevo CurvDreame X40 Ultra
Maximum suction power18,500 Pa12,000 Pa
Main brush systemDuoDivide split anti-tangle brushTriCut anti-tangle cutting brush
Side brush designFlexiArm Arc side brushExtendable side brush
Chassis systemAdaptiLift adjustable chassisFixed chassis
Maximum obstacle crossing40 mm22 mm
Navigation hardwareLDS LiDARRGB camera + 3D structured light
Mop extension systemFlexiArm edge-moppingMopExtend RoboSwing
Mop removal systemMop lift onlyAutomatic mop detachment
Mop washing temperature80 °C70 °C
Robot dustbin capacity325 ml300 ml
Maximum runtime190 min180 min
Noise level62 dB76 dB
Robot height79.8 mm~97 mm
Cleaning coverage400 m²~300 m²
Side brush liftFixedLiftable 10 mm
Dirt detection systemReactive AI obstacle recognitionMulti-spectrum dirt detection
Dock washboard systemStandard dock traySelf-cleaning washboard
PriceCheck Roborock Qrevo Curv PriceCheck Dreame X40 Ultra Price

What Common Both Can Do?

  • LiDAR navigation: Both robots use LiDAR sensors to scan the room and create precise maps of the home. This technology helps the robots navigate efficiently while avoiding random movement patterns during cleaning.
  • AI obstacle avoidance: Each robot includes AI-based obstacle recognition to detect objects such as cables, shoes, or small furniture. This reduces the chance of the robot getting stuck and allows it to clean more consistently around obstacles.
  • Automatic dust emptying dock: Both models include docking stations that automatically empty the robot’s dustbin into a sealed dust bag. This feature reduces the need for frequent manual maintenance and allows the robot to run for weeks without emptying.
  • Dual spinning mop pads: Both devices use rotating mop pads instead of flat drag mops. Spinning mops apply friction to the floor surface, which helps remove dried stains and sticky residue more effectively.
  • Mop lifting for carpets: Each robot automatically lifts its mop pads when a carpet is detected. This prevents carpets from becoming wet while still allowing the robot to vacuum them.
  • Hot water mop washing: Both systems clean their mop pads using heated water inside the docking station. Hot water helps dissolve grease and stubborn dirt from the mop pads during automatic cleaning cycles.
  • Hot air mop drying: Both docks include a drying function that uses warm air to dry mop pads after washing. Drying helps prevent bacteria growth and unpleasant odors.
  • Automatic water tank refilling: Both models refill the robot’s internal water tank automatically from the dock. This enables longer mopping sessions without manual refilling.
  • Multi-floor mapping: Both robots support saving maps for multiple floors in a house. Users can switch between different floor plans in the app without remapping each level.
  • App control: Each robot connects to a smartphone app that allows users to control cleaning modes and customize cleaning areas. The app also provides mapping tools, scheduling, and maintenance alerts.
  • Scheduled cleaning: Both robots allow users to create automatic cleaning schedules. This means the robot can start cleaning at specific times without manual intervention.
  • Voice assistant support: Both models can integrate with voice assistants such as Amazon Alexa or Google Assistant. Users can start or stop cleaning using voice commands.
  • Automatic room mapping: Both robots scan the home layout and automatically divide the map into rooms. This enables targeted cleaning of specific areas such as kitchens or living rooms.
  • Recharge and resume cleaning: Both robots automatically return to their dock when the battery becomes low. After charging, they resume cleaning from the point where the previous session stopped.
  • Carpet detection: Both robots detect carpet surfaces during cleaning. This allows the robots to adjust suction power or lift mop pads when necessary.
  • Edge cleaning capability: Both devices include edge-focused cleaning features to reach corners and wall edges. This improves cleaning performance in areas that are often missed by round robots.
  • Automatic mop washing in dock: Both docking stations wash the mop pads automatically after cleaning cycles. This helps maintain hygiene and ensures the robot starts the next session with clean mop pads.
  • Obstacle detection sensors: Each robot uses multiple sensors to detect walls, furniture, and obstacles. These sensors help prevent collisions and improve navigation accuracy.
  • Smart path planning: Both robots calculate efficient cleaning paths using mapping algorithms. This allows them to clean entire rooms methodically instead of moving randomly.
  • Large battery capacity: Both robots use a 6,400 mAh lithium battery. This large battery capacity supports long cleaning sessions and coverage of larger homes without frequent charging.

Common Features

FeatureRoborock Qrevo CurvDreame X40 Ultra
LiDAR navigationYesYes
AI obstacle avoidanceYesYes
Automatic dust emptying dockYesYes
Dual spinning mop padsYesYes
Mop lifting for carpetsYesYes
Hot water mop washingYesYes
Hot air mop dryingYesYes
Automatic water tank refillingYesYes
Multi-floor mappingYesYes
App controlYesYes
Scheduled cleaningYesYes
Voice assistant supportYesYes
Automatic room mappingYesYes
Recharge and resume cleaningYesYes
Carpet detectionYesYes
Edge cleaning capabilityYesYes
Automatic mop washing in dockYesYes
Obstacle detection sensorsYesYes
Smart path planningYesYes
Large battery capacity6,400 mAh6,400 mAh
Price Check Roborock Qrevo Curv Price
Check Dreame X40 Ultra Price

FAQ

Which robot vacuum has stronger suction power?
The Roborock Qrevo Curv has a maximum suction rating of 18,500 Pa, while the Dreame X40 has a suction rating of about 12,000 Pa. This difference means the Qrevo Curv is designed to generate stronger airflow for vacuuming debris and dust from floors and carpets.

Do both robots support automatic mop washing and drying?
Yes, both robots include multifunction docking stations that automatically wash the mop pads after cleaning sessions and dry them using heated air. This reduces manual maintenance and helps keep the mops clean between cleaning cycles.

Can both robots detect carpets and adjust cleaning automatically?
Both models include carpet detection sensors that identify carpeted surfaces during cleaning. The robots respond by lifting their mop pads and increasing suction power to vacuum carpets effectively without wetting them.

Which robot is better for cleaning edges and corners?
Both robots include edge-cleaning technology that helps them reach wall edges and corners. The Roborock Qrevo Curv uses a FlexiArm side brush system, while the Dreame X40 uses an extendable brush and mop mechanism to reach tight spaces.

Do both robots support multi-floor mapping?
Yes, both models can store multiple floor maps in their mobile apps. This allows users with multi-story homes to move the robot between floors without needing to remap each level.

What battery capacity do the Roborock Qrevo Curv and Dreame X40 use?
Both robots use a 6,400 mAh lithium battery. This battery capacity supports long cleaning sessions and allows the robots to clean large floor areas before returning to the dock for charging.

Do both robots support automatic dustbin emptying?
Yes, each robot uses a self-emptying docking station that transfers dust from the robot’s onboard dustbin into a larger dust bag inside the dock. This design allows the robot to operate for several weeks without manual emptying.

How do the navigation systems compare between the two models?
Both robots use LiDAR-based mapping systems combined with AI obstacle detection. These technologies help the robots create accurate maps, avoid obstacles, and follow efficient cleaning paths.

Can the robots be controlled using a smartphone app?
Yes, both the Roborock Qrevo Curv and Dreame X40 connect to mobile apps that allow users to start cleaning, set schedules, customize room cleaning, and view maps of their home.

Do both robots support voice control with smart home assistants?
Yes, both models can connect to voice assistants such as Amazon Alexa or Google Assistant. This allows users to start or stop cleaning using voice commands.

Can the robots resume cleaning after charging?
Yes, both robots include a recharge-and-resume feature. If the battery becomes low during cleaning, the robot returns to the dock, charges the battery, and then continues cleaning from where it stopped.

Are both robots capable of detecting obstacles during cleaning?
Yes, both robots use AI-based obstacle detection systems with cameras and sensors. These systems help the robots recognize objects like cables, furniture legs, and shoes to avoid collisions.

Do both robots support scheduled cleaning routines?
Yes, both models allow users to set automated cleaning schedules through their apps. This means the robot can start cleaning at a specific time or on selected days without manual activation.

Are both robots suitable for large homes?
Yes, both models are designed to handle large floor areas thanks to their large batteries, smart navigation, and automatic docking systems. These features allow them to clean extensive spaces with minimal user intervention.