1 / 3xiaomi
Xiaomi Smart 4
4.1(245 reviews) Tested by AQIRadar
The CADR-per-rupee king — clears big rooms fast.
CADR
400 m³/h
Coverage
516 sq ft
Filter
H13 HEPA
Smart AppAuto ModeHEPA H13Night Mode+2 more
Overview
The Smart 4 delivers a 400 m³/h CADR for well under ₹13,000, making it the value champion for large rooms. The Mi Home app is excellent; filters just need swapping a bit more often.
Highest CADR for the price
Covers 516 sq ft
Great Mi Home app
Performance at a glance
Air Purification (PM2.5)9.2/10
Coverage9.0/10
Noise Control8.4/10
Energy Efficiency8.6/10
Value for Money8.8/10
Overall Score 4.1 / 5
Key specifications
Filter gradeH13 HEPA
CADR400 m³/h
Coverage516 sq ft
Pros & cons
Pros
- Highest CADR for the price
- Covers 516 sq ft
- Great Mi Home app
Cons
- More frequent filter swaps
- Utilitarian build
Best alternatives
View all alternatives →
How does Xiaomi Smart 4 compare?
See how it stacks up against top-rated air purifiers.
Reviews
4.1
245 reviews
Rating based on verified buyer reviews and AQIRadar's independent testing across CADR, noise and running cost.
Trusted Reviews
Tested by experts and real users
Unbiased Insights
Independent testing, no brand bias
Updated Daily
Prices, reviews & ratings stay fresh
Affiliate Disclosure
We may earn a commission at no extra cost to you