Air Purifiers for Home Face-off
Xiaomi Mijia 4 CompactvsPhilips AC3421/13
Published: 6 November 2026Last updated: 6 November 2026
Detailed comparison to help you choose the right best air purifiers for home in india for your needs.
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Mijia 4 Compact vs AC3421/13: Which Air Purifiers for Home Should You Buy?
Choose Xiaomi Mijia 4 Compact if:
- Lightweight (2.2 kg) and compact footprint fits desks and bedrooms
- Ultra-quiet 20 dB(A) operation in sleep mode
- Low power consumption (27W rated power, ~0.7 kWh/day)
Choose Philips AC3421/13 if:
- Integrated NanoCloud humidification balances dry winter air without white dust or mist
- Dual-fan layout delivers 300 m³/h CADR with low 16.5 dB noise floor
- Comprehensive AeraSense monitoring displays humidity, temperature, and AQI
Xiaomi Mijia 4 Compact vs Philips AC3421/13 Specs Comparison
Showing all 13 specifications
| Specification | Xiaomi Mijia 4 Compact | Philips AC3421/13 |
|---|---|---|
| Coverage Area | 400 sq ft | 840 sq ft |
| CADR | 230 m³/h | 300 m³/h |
| Filter Stages | 3-stage | 3-stage |
| Filter Type | Pre-Filter, High-Efficiency Filter, Activated Carbon | NanoProtect HEPA, Active Carbon, NanoCloud Wick |
| Filtration Efficiency | 99.97% down to 0.3 microns | 99.97% down to 0.003 microns |
| Filter Life | 6 to 12 months | Up to 9,000 hours |
| Air Quality Monitoring | Real-time 4-color indicator (PM Sensor) | Real-time AQI display & Color Ring |
| Operating Modes | Auto, Sleep, Manual | Auto+, Purify Only, Humidify & Purify, Sleep |
| Noise Level | 20 dB(A) | 16.5 dB (sleep mode) |
| Power Consumption | 27W | Up to 43W |
| Replacement Filter Cost | ₹2,499 | ₹5,995 |
| Warranty | 1 year | 2 years |
| Manufacturer Origin | China | India |
Mijia 4 Compact vs AC3421/13: Pros & Cons
Xiaomi Mijia 4 Compact
Pros
- Lightweight (2.2 kg) and compact footprint fits desks and bedrooms
- Ultra-quiet 20 dB(A) operation in sleep mode
- Low power consumption (27W rated power, ~0.7 kWh/day)
- Smart Xiaomi Home app integration, voice assistant control, and real-time 4-color indicator
Cons
- Coverage area (up to 400 sq ft at 2 ACPH) not suited for large living rooms
- Infrared particulate sensor rather than advanced multi-laser array
Philips AC3421/13
Pros
- Integrated NanoCloud humidification balances dry winter air without white dust or mist
- Dual-fan layout delivers 300 m³/h CADR with low 16.5 dB noise floor
- Comprehensive AeraSense monitoring displays humidity, temperature, and AQI
- Generous 3.2L water tank minimizes refill frequency
Cons
- Higher initial investment with ₹29,995 MRP
- Air CADR (300 m³/h) is moderate compared to dedicated single-function purifiers at this price
- Requires regular maintenance and descaling of the humidification wick
Full Category Comparison
Looking to compare all air purifiers for home models?
Check out our complete Best Air Purifiers for Home in India guide to see all 31 products compared side by side.
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