Introduction
The Dreame Aqua 10 Ultra Roller and the Roborock Saros Z70 represent two high-end propositions within the 2025 launches. We're looking at robots that aim to offer complete solutions in both vacuuming and mopping, with multifunctional bases that wash and dry the mops automatically. The Dreame model opts for a rotating roller system for mopping, whilst the Saros Z70 incorporates a robotic arm capable of interacting with household objects, something quite novel in the current market.
Both options are designed for homes seeking maximum automation in daily cleaning, although they present notable differences in height, suction power and specific capabilities that may influence the choice depending on each household's needs.
Power and Suction
The difference in suction power is considerable. The Dreame Aqua 10 Ultra Roller offers 30000 Pa in Turbo mode, a figure that widely surpasses the Roborock Saros Z70's 22000 Pa. In practice, this translates to greater capacity for vacuuming ingrained dirt in carpets or heavier debris. For households with pets or long-pile carpets, this difference can be particularly noticeable.
Regarding the brushing system, the Dreame is equipped with a double anti-tangle brush, whilst the Roborock uses an anti-tangle brush of its own design. Both models feature a main brush that can be raised during mopping, which prevents it from getting unnecessarily wet. The side brush in both cases is extendable and raisable, as well as featuring anti-tangle technology. This proves useful for cleaning corners and reducing maintenance related to tangled hair.
Both systems are designed to minimise manual intervention, something that's appreciated when there are pets at home.
Mopping
Here we find one of the most differentiating aspects. The Dreame Aqua 10 Ultra Roller uses a rotating roller with 12N pressure, a system that differs from the traditional approach of rotating mops. The Roborock Saros Z70, on the other hand, employs two rotating mops with the FlexiArm system to reach edges. The Dreame also features mop extension through MopExtend.
Mop lifting varies: the Dreame can raise them 14 mm and also includes a crawling function to reach difficult areas. The Roborock lifts the mops between 12 and 22 mm, which gives it a greater range of adaptation depending on the type of floor or carpet.
Mop washing marks another relevant difference. The Dreame washes mops at 100°C, whilst the Roborock does so at 80°C. Higher temperatures help eliminate grease and bacteria more effectively. As for drying, the Saros Z70 dries the mops at 55°C, although the Dreame's drying temperature isn't specified.
An exclusive function of the Roborock is the ability to automatically leave the mops at the base to perform vacuum-only tasks. The Dreame doesn't allow this, which means that if you want to vacuum without mopping, you'd have to remove the mops manually.
Both robots detect dirt on the mops and on the floor, adjusting washing or scrubbing as necessary. This improves mopping efficiency without user intervention.
Navigation System
The Dreame Aqua 10 Ultra Roller mounts a retractable LIDAR, which contributes to reducing its overall height. The Roborock Saros Z70 uses the StarSight 2.0 system, which combines 3D laser sensors and cameras. Both are equipped with dual RGB cameras with LED night vision, which allows them to recognise objects even in low-light conditions.
Object recognition capability is notably superior in the Dreame, with 240 objects compared to the Roborock's 108. This can translate into more precise navigation in homes with many items on the floor. The Dreame also detects curtains, a function that the Saros Z70 doesn't include.
Both models recognise pets and allow remote camera access, useful for monitoring the house or checking the cleaning status from anywhere. The Dreame's algorithm is the AI Sage 15.0 Octa-core, whilst the Roborock uses the RR Mason 12.0 with SmartPlan 2.0 to optimise cleaning routes.
Autonomy and Battery
Both robots mount a 6400 mAh battery. The Dreame specifies an autonomy of 160 minutes, data that the Roborock doesn't detail in the available information. This Dreame autonomy proves sufficient for medium-large sized homes without the need for intermediate recharges.
The battery capacity is identical, which suggests that performance should be similar under equivalent usage conditions, although factors such as the suction power employed or the type of floor can influence actual consumption.
Smart Functions
The Roborock Saros Z70 incorporates the OmniGrip robotic arm, a feature that the Dreame doesn't have. This arm allows the robot to interact with light household objects, although its practical utility will depend on the use each user wants to give it. It's a striking function that clearly differentiates the Saros Z70.
Regarding obstacle climbing, the Dreame can overcome heights between 42 and 80 mm, whilst the Roborock reaches between 30 and 40 mm. This means the Dreame has greater capacity to climb thick carpets or overcome more pronounced level changes.
Both models include a simple voice assistant, which allows them to be controlled through basic commands.
Multifunctional Cleaning Base
The bases of both robots are multifunctional: they auto-empty dust, wash and dry mops. The Roborock Saros Z70 includes 2.0 self-cleaning of the washing tray, a system that the Dreame doesn't incorporate. This reduces manual maintenance of the base, as the tray cleans itself after each cycle.
The Dreame is equipped with a double detergent tank, whilst the Roborock has a single tank. Having two tanks can prove useful for alternating between different types of product depending on the floor or dirt.
The dust bag capacity is larger in the Dreame, with 3.2 litres compared to the Roborock's 2.5 litres. This means fewer bag changes over time. The clean water tanks are equal in both (4 litres), but the Dreame has a dirty water tank of 3.5 litres compared to the Saros Z70's 3 litres.
The Dreame offers an optional plumbing connection kit, which is purchased separately and allows automation of water filling and emptying. The Roborock doesn't have this option.
Dimensions
The Roborock Saros Z70 stands out for its height of 79.8 mm, which allows it to slip under low furniture more easily. The Dreame Aqua 10 Ultra Roller measures 97.5 mm high, almost 2 centimetres more. If there are sofas, beds or furniture with little clearance at home, the Roborock has a clear advantage.
The diameter is practically identical: 350 mm on the Dreame and 353 mm on the Roborock. As for weight and base dimensions, the Dreame occupies 420 x 500 x 440 mm, whilst the Roborock measures 381 x 488 x 475 mm. The Dreame is somewhat wider and less deep, whilst the Roborock is more compact in width but slightly deeper.
It's advisable to measure the available space for the base before deciding, especially if you're planning to place it in a corner or next to other furniture.
Real-World Usage Experience
For large homes, the Dreame Aqua 10 Ultra Roller offers greater specified autonomy (160 minutes) and a larger dust bag, which reduces maintenance frequency. Its superior suction power also proves useful in houses with carpets or large surface areas to clean.
In households with pets, both robots feature anti-tangle brushes and good suction power. The Dreame has an advantage in raw suction, but the Roborock compensates with its tray self-cleaning system, which reduces contact with accumulated dirt.
If there's low furniture, the Roborock Saros Z70 is clearly more suitable thanks to its 79.8 mm height. It will be able to access areas that the Dreame wouldn't reach.
For those seeking maximum automation in mopping, the Roborock allows leaving the mops at the base automatically when you only want to vacuum. The Dreame requires manual intervention for this, although it offers mop washing at higher temperature.
The Saros Z70's robotic arm may prove interesting for users who value novel functions, although its practical utility will depend on the use given to it.
Conclusion: Which to Choose?
Choose the Dreame Aqua 10 Ultra Roller if: you're looking for maximum suction power (30000 Pa), you need to overcome obstacles up to 80 mm, you value mop washing at 100°C for greater hygiene, you prefer a larger dust bag (3.2 L) and greater specified autonomy (160 minutes). Also if you're interested in the plumbing connection option via optional kit and a more extensive object recognition system (240 objects). It's ideal for large houses, with thick carpets or pets, where power and tank capacity make the difference.
Choose the Roborock Saros Z70 if: you need a robot that passes under low furniture thanks to its 79.8 mm height, you value the OmniGrip robotic arm for interacting with objects, you prefer the robot to leave the mops at the base automatically for vacuum-only tasks, and you're looking for a base with 2.0 self-cleaning of the washing tray that reduces maintenance. It's the most suitable option for those who prioritise ease of use, total automation in mop handling and the ability to access confined spaces under furniture.
