tldr; Reddit generally finds the Roborock S4 to be a durable and reliable vacuum, especially for carpet and budget-conscious users, despite its outdated navigation and lack of advanced features.
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Best praise vs top criticism for Roborock S4
“Everyone will say that their favourite brand is the most reliable, but different products from the same brand differ in reliability. There are some models where users have reported a long service life, like the roborock s4/s5 and roomba 900 series/600 series. I've seen a few comments of roomba 980 or 960 owners with over 3k hours. Although looking for models that are proven to reach high hours excludes newly released models”
“I went from a Roborock S4 to a Dreame X50. The vacuuming strategy is wildly better. The S4 stumbled around bumping into the things, whereas the X50 does a great job of avoiding obstacles proactively. For me, the improvement is massive.”
50 Reddit opinions analyzed • Last updated 2/24/2026