Roborock against Roomba

The two sides

• 
  Roborock

  roborock Qrevo CurvX Robot Vacuum and Mop, 22,000Pa Suction

  The Qrevo CurvX lists 22,000Pa suction and lidar mapping in Roborock's current lineup.

  $799.99 Check price

  Prices change often
• 
  Roomba

  iRobot Roomba Max 715 Pet Robot Vacuum, 30,000Pa Suction, Dual Rubber Anti-Tangle Brushes & Side Brush, 90 Days Self-Emptying, PrecisionVision AI Obstacle Avoidance, 3D Mapping, Advanced Dirt Detect

  The Roomba Max 715 lists 30,000Pa suction, lidar navigation and a self-emptying base at a lower price than the Qrevo CurvX.

  $599.99 Check price

  Prices change often

Comparing pascals, not marketing tiers

Both of these machines publish a pascal rating, which measures sealed suction pressure with the inlet blocked. That is a valid apples-to-apples comparison since both brands are reporting the same unit under the same test condition. On that basis, the Roomba Max 715's 30,000Pa figure is the higher published number, ahead of the Qrevo CurvX's 22,000Pa. Pascal ratings describe peak sealed pressure, not necessarily how a robot performs at the edge of a rug or against a thick pile carpet, where brush design and wheel traction matter as much as the number on the box.

Self-emptying base: the bigger practical difference here

The Roomba Max 715 includes a self-emptying base, which the Qrevo CurvX in this pairing does not. A self-empty base holds roughly 2.0 to 3.5 litres of debris and runs about 4 to 8 weeks between bag changes, moving the emptying chore from every run to about once a month. That convenience costs ongoing bag money and roughly 20 seconds of real noise per empty cycle, along with the counter or floor space the base itself occupies.

Buyers who want a Roborock machine with a self-empty base exist, they simply sit in a different model within Roborock's lineup than the Qrevo CurvX chosen here, since this comparison is built around two real, currently listed machines rather than a hypothetical spec sheet.

What lidar buys both of these robots

Both machines use a spinning lidar turret rather than a camera-based system, which means both can map a home in complete darkness and build a dimensioned floor plan that supports no-go zones and room-by-room cleaning. The tradeoff for either brand's lidar hardware is a slightly taller chassis than a camera-only design, which can matter under very low furniture or bed frames.

Bagless bins on both machines, and what that means day to day

Both the Qrevo CurvX and the Roomba Max 715 use a bagless collection method, though the Roomba routes its debris into a self-empty base rather than a bin you handle directly. That means the Roomba owner rarely opens anything by hand, while the Qrevo CurvX owner will periodically remove and empty an onboard bin, similar to emptying a bagless upright or canister. Neither approach carries the recurring bag cost that a fully bagged system would, though the Roomba's self-empty base does still use disposable bags at the base itself rather than in the robot.

A question people actually ask: does a higher pascal number always mean a stronger clean?

Not by itself. Pascal figures measure suction at a sealed inlet, but real cleaning performance also depends on brush roll design, how well the machine's skirt seals against the floor, and how full the bin or bag is at the time of the run. A robot rated at 22,000Pa with a well-designed brush and clean bin can outperform a 30,000Pa unit running on a clogged filter or worn brush.

• Compare pascal figures only against other pascal figures, never against air watt numbers from a different product category.
• A self-emptying base reduces manual dumping but adds a recurring bag cost that a manual-empty robot avoids entirely.
• Lidar navigation on either brand supports no-go zones and multi-floor maps that camera-only navigation typically cannot match as reliably in the dark.