Robot Vacuum Comparison · UK 2026
eufy Omni S2 vs eufy Omni E35

Specs, pros and cons compared side by side

Both the eufy Omni S2 and the eufy Omni E35 are robot vacuums. This head-to-head sets them side by side using the specs, pros and cons from our full reviews. eufy specs come from eufy’s own UK pages and manuals.

Quick verdict

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eufy Omni S2

Pick it for: Matter support (not listed for the E35) · 70°C mop wash (the E35 washes at 60°C) · Larger 3L clean water tank (the E35: 2.5L)

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eufy Omni E35

Pick it for: 35,000Pa suction (the S2 has 30,000Pa) · Roller mop presses with 16N (the S2: 15N) · Avoids 280+ object types (eufy quotes 200+ for the S2)

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Quick comparison

Spec eufy Omni S2 eufy Omni E35
Suction 30,000Pa 35,000Pa
Navigation 3D MatrixEye 2.0 (RGB camera + 3D dToF) LiDAR + AI See 3.0 (RGB camera, dual line lasers)
Mopping HydroJet 2.0 roller, 15N, 360 RPM, 28 mm lift HydroJet roller, 16N, extends 32 mm; lift height not stated by eufy UK
Dock Empty (2.5L bag), 70°C wash, hot-air dry, detergent, ozonated water Empty (2.5L bag), 60°C wash, 55°C dry, detergent
Runtime Up to 260 min (quiet, vacuum only) Up to 188 min (quiet)
Smart home Matter, Alexa, Siri, Google Alexa, Google
eufy Omni S2

Pros

  • 70°C hot-water roller wash
  • Roller mop presses down with 15N
  • Works with Matter, Alexa, Siri and Google
  • Up to 260 minutes of vacuuming (quiet mode)

Cons

  • Tall 670 mm station, and eufy’s diagram shows 1 m of space above it
  • Automatic refill and drainage needs the optional Auto Refill and Drainage System bundle
  • The manual gives runtimes for vacuum-only mode only
eufy Omni E35

Pros

  • 35,000Pa suction
  • 60°C mop wash and 55°C drying
  • Roller mop extends 32 mm to the wall
  • Avoids 280+ object types, even in the dark

Cons

  • Neither the E35’s UK page nor its manual’s setup steps list Matter
  • Smaller 2.5L clean water tank (the S2: 3L)
  • Drying takes about 3.5 to 7 hours

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Which should you buy?

Why choose the eufy Omni S2

  • Matter support (not listed for the E35)
  • 70°C mop wash (the E35 washes at 60°C)
  • Larger 3L clean water tank (the E35: 2.5L)
Why choose the eufy Omni E35

  • 35,000Pa suction (the S2 has 30,000Pa)
  • Roller mop presses with 16N (the S2: 15N)
  • Avoids 280+ object types (eufy quotes 200+ for the S2)

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