Home / Home / Dreame H40 vs s40 Pro: H40 wins for quieter operationHome robot vacuum cleaningDreame H40 vs s40 Pro: H40 wins for quieter operationThe Dreame H40 runs at around 55 dB, noticeably quieter than the s40 Pro’s 62 dB. If noise is a concern, the H40 is the better pick. Search Amazon As an Amazon Associate I earn from qualifying purchases.Related NotesExploreExploreExplorePrevious Dreame X60 Ultra vs Roborock Saros 20: Both scrub with vibrating mop pads and lift on carpetNext Does the Xiaomi S10 Pro have enough battery for a normal home?