Xiaomi Smart Air Purifier 4 with True HEPA and Real-Time PM2.5 Display vs Omron MC-720 Non-Contact Infrared Forehead Thermometer
What separates them
These two differ on 7 recorded specifications. The Xiaomi Smart Air Purifier 4 with True HEPA and Real-Time PM2.5 Display is ₹9,700 dearer.
Xiaomi Smart Air Purifier 4 with True HEPA and Real-Time PM2.5 Display vs Omron MC-720 Non-Contact Infrared Forehead Thermometer
Xiaomi
Xiaomi Smart Air Purifier 4 with True HEPA and Real-Time PM2.5 Display
₹11,999
CADR is the only number worth comparing between purifiers, and 400 cubic metres per hour is genuinely high for the price -- it is the figure that decides how fast the room actually clears.
Full details →
Omron
Omron MC-720 Non-Contact Infrared Forehead Thermometer
₹2,299
A one-second reading without touching a sleeping child is worth the premium over a Rs149 stick thermometer, and plus or minus 0.2 degrees C is genuinely tight for infrared.
Full details →Who the Xiaomi Smart Air Purifier 4 with True HEPA and Real-Time PM2.5 Display is for
Buy it if: Anyone in a north Indian city wanting real particulate clearance in a large room.
Avoid it if: Anyone unwilling to budget roughly Rs2,000 a year for filters -- a clogged filter is worse than none.
Who the Omron MC-720 Non-Contact Infrared Forehead Thermometer is for
Buy it if: Parents of small children, and anyone needing a reading without waking the patient.
Avoid it if: Anyone who will not wait for the subject to acclimatise indoors -- readings will mislead.
Specifications, side by side
7 of 18 rows differ. Differences first.
| Specification | Xiaomi Smart Air Purifier 4 with True HEPA and Real-Time PM2.5 Display | Omron MC-720 Non-Contact Infrared Forehead Thermometer |
|---|---|---|
| Price | ₹11,999 | ₹2,299 |
| Clinical validation | CADR rated under GB/T 18801, the Chinese national standard | Clinical accuracy assessed to ISO 80601-2-56 |
| Connectivity | Wi-Fi 2.4 GHz, Mi Home app, Alexa and Google Home | None |
| Measurement range | Effective room size approximately 48 square metres | Body mode 34.0 to 42.2 degrees C; surface mode 0 to 100 degrees C |
| Power source | Mains, 230 V, 33 W maximum | Two AAA cells, approximately 2500 readings |
| Regulatory status | BIS marked for electrical safety | CDSCO registered; CE marked |
| Stated accuracy | Built-in laser PM2.5 sensor, plus or minus 10 percent or 10 micrograms per cubic metre | Plus or minus 0.2 degrees C between 34.0 and 42.2 degrees C |
| Stored readings | Filter life tracking in the app | 25 readings |
| Warranty | 1 Year Manufacturer Warranty | 1 Year Manufacturer Warranty |
| Annual energy use | 96 kWh a year at 8 hours a day on auto, about Rs768 at Rs8 per unit | not published |
| Annual running cost | Roughly Rs2,600 -- Rs1,999 filter plus about Rs600 of electricity at 8 hours a day | not published |
| CADR | 400 cubic metres per hour, particulate | not published |
| Distance | not published | 1 to 3 cm from the forehead |
| Filter | True HEPA H13, integrated with activated carbon | not published |
| Filter replacement cost | About Rs1,999, roughly every 6 to 12 months depending on air quality | not published |
| Known limitation | not published | A sweating forehead or a person just in from outdoors reads low; wait 10 minutes indoors |
| Measurement time | not published | 1 second |
| Noise | 32.1 dB on sleep mode | not published |
| Warm-up | not published | None required |
Every row is a figure one or both products record. A blank is a figure the catalogue does not hold, not a zero.