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Cop Rose
X6
$259.99Cheaper
Released 2017
Best Robot Window Cleaners · head-to-head
X6 vs WIN660
A sourced, side-by-side comparison. X6 is cheaper at $259.99. Every spec and price links to its source.
Alfawise
WIN660
$275.84
Released 2018
Which is better: the X6 or WIN660?
On the specs we track, they're closely matched. The X6 is the cheaper at $259.99.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | X6 | WIN660 |
|---|---|---|
| US price | $259.99 | $275.84 |
| Brand | Cop Rose | Alfawise |
| Released | 2017 | 2018 |
| Suction power (Pa) | 2800 | 2800 |
| Cleaning speed mode | ~2.4 min/m^2; 3 automatic cleaning modes | ~2.5 min/m^2 |
| Battery backup min | 20 | 25 |
| Spray system | — | — |
| Path planning | Intelligent navigation with 3 auto-clean modes | 4 edge-sensing sensors for frame/frameless windows; Z and N cleaning patterns |
| Noise level (dB) | 60 | 65 |
| Safety tether | 150kgf-rated safety rope | 150kgf-rated safety rope |
| Edge detection | Anti-falling sensor + anti-collision sensors | 4 edge-sensing sensors, works on frameless windows |
| Weight (lb) | 2.65 | — |
Sources — X6: rswebsols.com (verified 2026-08-01). WIN660: dresslily.com (verified 2026-08-01).
What's the difference between the X6 and WIN660?
Where the two actually differ on the specs we track (5 of 9). Matching specs are omitted.
- Cleaning speed mode: X6 ~2.4 min/m^2; 3 automatic cleaning modes vs WIN660 ~2.5 min/m^2
- Battery backup min: X6 20 vs WIN660 25
- Path planning: X6 Intelligent navigation with 3 auto-clean modes vs WIN660 4 edge-sensing sensors for frame/frameless windows; Z and N cleaning patterns
- Noise level (dB): X6 60 vs WIN660 65
- Edge detection: X6 Anti-falling sensor + anti-collision sensors vs WIN660 4 edge-sensing sensors, works on frameless windows