# WINBOT W3 Omni vs WIN660: specs and price compared

A sourced, side-by-side comparison of the WINBOT W3 Omni (Ecovacs) and WIN660 (Alfawise) among robot window cleaners. WIN660 is the cheaper of the two at $275.84.

## Side by side

| Spec | WINBOT W3 Omni | WIN660 |
| --- | --- | --- |
| US price | $699.99 | $275.84 |
| Brand | Ecovacs | Alfawise |
| Released | 2026-01 | 2018 |
| Suction power (Pa) | 10000 | 2800 |
| Cleaning speed mode | 8 modes (Fast/Deep/Thorough/Edge/Spot/Zone/Heavy-duty/Remote); 16 cm/s top speed, ~1m35s per 1x1m panel in Fast mode | ~2.5 min/m^2 |
| Battery backup min | 130 | 25 |
| Spray system | 3-nozzle wide-angle spray, 80ml tank, >=70% spray coverage; Vortex Wash station auto-washes pads with 16 jets (~1 min cycle) | — |
| Path planning | WIN-SLAM 5.0 with 1mm dynamic obstacle avoidance | 4 edge-sensing sensors for frame/frameless windows; Z and N cleaning patterns |
| Noise level (dB) | 71.5 | 65 |
| Safety tether | 3-layer composite power/safety cable rated to 100kg, plus 1m backup rope | 150kgf-rated safety rope |
| Edge detection | Optocoupler edge sensor, 0.02s response; TruEdge retracting scrubber cleans to ~1.1cm of the frame | 4 edge-sensing sensors, works on frameless windows |
| Weight (lb) | 4.9 | — |

## Key differences

- Suction power (Pa): WINBOT W3 Omni 10000 vs WIN660 2800
- Cleaning speed mode: WINBOT W3 Omni 8 modes (Fast/Deep/Thorough/Edge/Spot/Zone/Heavy-duty/Remote); 16 cm/s top speed, ~1m35s per 1x1m panel in Fast mode vs WIN660 ~2.5 min/m^2
- Battery backup min: WINBOT W3 Omni 130 vs WIN660 25
- Path planning: WINBOT W3 Omni WIN-SLAM 5.0 with 1mm dynamic obstacle avoidance vs WIN660 4 edge-sensing sensors for frame/frameless windows; Z and N cleaning patterns
- Noise level (dB): WINBOT W3 Omni 71.5 vs WIN660 65
- Safety tether: WINBOT W3 Omni 3-layer composite power/safety cable rated to 100kg, plus 1m backup rope vs WIN660 150kgf-rated safety rope
- Edge detection: WINBOT W3 Omni Optocoupler edge sensor, 0.02s response; TruEdge retracting scrubber cleans to ~1.1cm of the frame vs WIN660 4 edge-sensing sensors, works on frameless windows

## Sources

- WINBOT W3 Omni: https://www.ecovacs.com/us/shop/winbot-window-cleaning-robot/winbot-w3-omni (ecovacs.com, verified 2026-08-01)
- WIN660: https://www.dresslily.com/alfawise-win660-robotic-window-cleaner-product2492527.html (dresslily.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/robot-window-cleaners/ecovacs-winbot-w3-omni-vs-alfawise-win660/
Cite: Per The Front Desk Review, WINBOT W3 Omni ($699.99) vs WIN660 ($275.84) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/robot-window-cleaners/ecovacs-winbot-w3-omni-vs-alfawise-win660/
License: CC BY 4.0.