Roborock S4 Max vs Shark ION R85 (RV850)

The Roborock S4 Max was loved by reviewers at Tom's Guide, a highly trusted source that performs reliable in-depth testing. It did great in its "The best Google Home compatible devices in 2023" roundup where it was named its "The best Google Home compatible robot vacuum", which, in itself, makes it a product worth considering.

Moving on to the Shark ION R85 (RV850): it was loved by MakeUseOf and Modern Castle - two reliable sources that conduct their own in-depth testing. In fact, it was named "Ranked 2 out of 7" and "Ranked 2 out of 3" in their respective roundups, which points to it being a product worthy of consideration.

Our direct Roborock S4 Max vs. Shark ION R85 (RV850) comparison of their review scores has shown that, out of sources that tested both Robot Vacuums, Modern Castle and bestcordlessvacuumguide.com preferred the Roborock S4 Max, whereas Tom's Guide seemed to like both equally.

We also looked at which sources liked these products best and found that the Roborock S4 Max got its highest, 9.6, review score from Modern Castle, while the Shark ION R85 (RV850) most impressed reviewers at Modern Castle, which gave it a score of 9.4.

Finally, we also compared their review scores to the rest of their competition - the Roborock S4 Max earned an average review score of 8.8 out of 10 points and the Shark ION R85 (RV850) received an average of 8.8, compared to the 7.2 average of Robot Vacuums in general.