Choose either model after comparing CADR, recommended room size, noise, and filtration below.
Which purifier has higher CADR?
CADR is not published for either model.
Which purifier is quieter?
Ecoself HAP609 knq3pp lists a minimum of 20 dB; Ecoself HAP610WF has no published figure.
Which purifier covers a larger room?
Recommended room size cannot be derived because CADR is missing.
Which purifier has better smart features?
Both list smart features (360° Air Intake, Smart Auto Mode with PM2.5 sensor, PM2.5 digital display, Aromatherapy option, 20 dB Sleep Mode, App control via Eco app vs Triple-side intake system, Enlarged U-shaped side inlets, Real-time PM2.5 readings, Smart app control).
Which purifier has better filtration?
Ecoself HAP609 knq3pp lists HEPA (H13); Ecoself HAP610WF lists HEPA.
Bottom line
Choose either model after comparing CADR, recommended room size, noise, and filtration below.
| Metric | Ecoself HAP609 knq3pp | Ecoself HAP610WF | Difference / Winner |
|---|---|---|---|
| Manufacturer claimed coverage | 1800 sq ft | 3850 sq ft | — |
| Minimum noise | 20 dB | — | — |
| Filter type | HEPA (H13) | HEPA | — |
| Replacement interval | Every 6–8 months | — | — |
| Wi-Fi / app | Yes | Yes | — |
| Weight | 3.8 lb | — | — |