Ecovacs DEEBOT OZMO 950 vs. Roborock S6 in Comparison

vom 22.11.2019

Hello, I am about to decide to buy a vacuum robot. My research has brought me to the two models Ecovacs DEEBOT OZMO 950 and Roborock S6. Can you help me with my decision? Which one would you choose?

The Roborock S6 ( and the Ecovacs Deebot Ozmo 950 ( are both top robotic vacuum cleaner. Concerning your question, a comparison of the two models should show which device performs better overall:

Dimensions and weight: The O950 has a size of 35 x 35 x 9.3 cm and a weight of 4.5 kg. Although the S6 is lighter with a weight of 3.6 kg, its height is 9.65 cm. This apparently minimal difference in height can be decisive depending on the piece of furniture.

Volume: With 58 dB the S6 is significantly quieter than the O950 with 66 dB at max. performance.

Charging and working time: Both the O950 and the S6 are equipped with a battery capacity of 5200 mAh. Nevertheless, the Ozmo has a working time of 200 minutes and a charging time of five hours while the S6 has a charging time of about three hours with a working time of 150 minutes.

Suction performance: Despite the higher suction power of 2000Pa for the S6 compared to the 1500 Pa for the O950, both devices achieve almost identical suction results on hard floors. What is surprising is that the O950 even achieves a better result on carpets. The dust chamber of the O950 with 430 ml is slightly smaller than that of the S6 with 480 ml.

Wiping function: Both suction robots can simultaneously wipe the floor with washable wiping mops. The water reservoir has a volume of 240 ml for the Ozmo and only 160 ml for the S6. In this category, the O950 outperforms the its competitor: the integrated water pump allows the water quantity to be precisely adjusted via an app. This characteristic and probably also the higher weight make it possible to determine a better wiping result. Nevertheless, both devices cannot completely replace manual wiping. Although both robots have carpet detection (on the s6 this is done by the brush resistance; the O950 is equipped with a carpet sensor), only the O950 omits the carpets when wiping.

Brushes: The main brush of both devices is characterized by a combination of rubber lamellas and bristles. The O950 can also be operated with a direct suction system, which is particularly suitable for removing hair. Despite the bristles, with both robotic vaccuum cleaners, the brush roller remains mostly free of hair . Compared to the S6, the O950 has two side brushes, which does not have a significant effect on the suction result.

Cleaning technology and navigation: In both devices, the laser distance sensors reliably map and clean all areas. Using the latest technologies, they create a map of the house or apartment as soon as they scanned. According to the manufacturers, both the O950 and the S6 can overcome obstacles of around 2 cm. However, a test shows that the S6 has fewer problems on straight gradients than the O950.

App: Like most vacuum robots, the S6 and O950 can also be controlled and monitored via app. Both programs differ in design, but offer a variety of similar settings: Among other things, certain schedules can be defined and completed cleaning procedures and care instructions can be viewed.

Once the cards have been created, rooms can be defined and, if necessary, changed manually so that targeted cleaning is possible. With both devices it is possible to create several maps, which is especially advantageous for houses with several floors. However, this function is still in the beta phase for the S6 at the moment and can definitely be improved at this point, as the maps are partially overwritten and all settings are lost. Despite a worse rating on Amazon, the O950 has removed some of the criticisms with the FW update to version 1.7.6. You can now e.g. merge or separate zones or give names to rooms. The storage of two maps for two floors is reliably working.

You can draw no-go zones in the app for both suction robots, for the O950 you can also define non-wipe zones. What is also worth mentioning is the possibility of seeing exactly where the robot is at the moment by means of live tracking. This function is especially useful when you are on the move.

In addition, both devices can be controlled by Alexa and Google Assistant, although there is more variation in the S6's commands.

Conclusion: With the Xiaomi Roborock S6 and the Ecovacs Deebot Ozmo 950 it is especially difficult to make a decision favoring one of the devices. Although they are similar in some areas, such as suction, they differ mainly in the following points: The S6 is quieter and has fewer problems overcoming straight obstacles. However, the O950 convinces with a better cleaning of carpets and the function to avoid carpets when the wipe is attached. They are both suitable for larger areas thanks to the outstanding battery, but the O950 offers a clear advantage with the multi-storey mapping function.

A few weeks ago, I probably would have recommended the S6, as the maps of the O950 were not editable back then. With the new update, however, the O950 is on a par with the S6 in this respect. Since the devices hardly differ in price, I tend towards the Ozmo 950 ( due to the points mentioned above. With the purchase of the Roborock S6 ( you also get an excellent device.

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