Eufy E28 vs eufy Omni S2

The eufy Omni S2, on 30,000Pa of suction against 20,000Pa, about 260 minutes of runtime against 216, a 3L water tank against 2.5L and a 2 year warranty against one. The Eufy E28 wins on price and on its detachable portable deep cleaner.

The Eufy E28's station holds a detachable FlexiOne portable deep cleaner for upholstery, stairs and car interiors, work no robot can do. The eufy Omni S2 has no equivalent but cleans the floors harder and mops more hygienically.

The eufy Omni S2, at 30,000Pa against the Eufy E28's 20,000Pa, which shows up on carpet and embedded pet hair. Both adjust suction automatically by surface.

The eufy Omni S2, whose HydroJet 2.0 roller generates electrolyzed water in real time with certification for germ removal, drawing from a larger 3L tank and drying hot at the dock. The Eufy E28 uses a self-rinsing HydroJet roller with a 2.5L tank.

The Eufy E28, whose dock bag holds 3L against 2.5L on the eufy Omni S2. It is a modest edge, and both stations empty the robot automatically after each run.

Households that want the detachable portable deep cleaner for sofas, stairs or the car, and prefer to spend considerably less, on floors where 20,000Pa is enough.

Buyers who want the strongest suction and the most hygienic mopping in eufy's range, plus the longest runtime and a 2 year warranty, and who do not need a portable cleaner.