Robot Vacuum Comparison · UK 2026
eufy Omni C20 vs eufy Omni C28

Specs, pros and cons compared side by side

Both the eufy Omni C20 and the eufy Omni C28 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

Ad: we earn commission if you buy through the price buttons on this page. As an Amazon Associate I earn from qualifying purchases.

eufy Omni C20

Pick it for: Larger 3.1L dust bag (the C28: 3L) · Larger 2.5L clean water tank (the C28: 2.2L) · Larger 2.4L dirty water tank (the C28: 2.2L)

Check latest priceat Amazon

eufy Omni C28

Pick it for: 15,000Pa suction (the C20 has 7,000Pa) · Hot-air drying (the C20 dries with room-temperature air) · LiDAR navigation (the C20 uses a point laser)

Check latest priceat Amazon

Quick comparison

Spec eufy Omni C20 eufy Omni C28
Suction 7,000Pa 15,000Pa
Navigation Point laser iPath 2.0 LiDAR + line laser
Mopping MopMaster spinning pads, 180 RPM, 6N HydroJet roller, 1 kg
Dock Empty (3.1L bag), wash, refill, room-temperature air dry Empty (3L bag), wash, refill, hot-air dry
Runtime Not stated Up to 251 min (quiet, vacuum only)
Smart home Alexa, Google Alexa, Siri, Google
eufy Omni C20

Pros

  • Slim 3.35-inch body for low furniture
  • Station empties, washes, refills and dries
  • Large 3.1L dust bag
  • Pro-Detangle Comb for hair

Cons

  • 7,000Pa is the lowest suction of eufy’s Omni models here
  • Drying uses room-temperature air, not heat
  • Point laser rather than LiDAR navigation
eufy Omni C28

Pros

  • Up to 251 minutes of vacuuming (quiet mode)
  • Hot-air drying for the roller
  • Factory reset from the robot’s buttons
  • Works with Alexa, Siri and Google

Cons

  • Lower suction than the Omni E25 and E35
  • No automatic detergent dosing in the manual
  • Smaller 2.2L clean water tank

As an Amazon Associate I earn from qualifying purchases.

Which should you buy?

Why choose the eufy Omni C20

  • Larger 3.1L dust bag (the C28: 3L)
  • Larger 2.5L clean water tank (the C28: 2.2L)
  • Larger 2.4L dirty water tank (the C28: 2.2L)
Why choose the eufy Omni C28

  • 15,000Pa suction (the C20 has 7,000Pa)
  • Hot-air drying (the C20 dries with room-temperature air)
  • LiDAR navigation (the C20 uses a point laser)

Related comparisons