Our Opinion

The Xiaomi Mi A1 (Android One) is a significantly better phone than the Xiaomi Redmi 4 (4GB RAM, 64GB), and is also slightly better value for money. What should you buy? Go for the Xiaomi Mi A1 (Android One)!

Xiaomi Mi A1 (Android One)  Xiaomi Redmi 4 (4GB RAM, 64GB) 
Xiaomi Mi A1 Xiaomi Redmi 4
Buy Now Buy Buy
Excellence Score
38.0
23.8
Value for Money Score
71.8
69.3
Price ₹ 15,899 onwards ₹ 8,994 onwards
Launch Date (India) Sep, 2017 May, 2017
Expected Launch Date N/A N/A
Smartphone OS Android 7.1 Nougat, Upgradeable to 8.0 Oreo Android 6.0 Marshmallow, Upgradeable to 8.0 Oreo
Touchscreen Yes (Capacitive) Yes (Capacitive)
Screen Size 5.5 inches 5 inches
Screen Resolution 1080x1920 pixels (~ 401 pixels per inch) 720x1280 pixels (~ 294 pixels per inch)
Scratch Resistant Display Yes, Corning Gorilla Glass Yes
Display Features LTPS IPS LCD IPS LCD, 2.5D Curved Glass, Reading Mode, Night Display
Full Physical QWERTY Keypad
Processor 2 GHz 1.4 GHz
Processor Type Octa Core Octa Core
Processor Name Qualcomm Snapdragon 625 Qualcomm Snapdragon 435
GPU Adreno 506 Adreno 505
RAM 4 GB 4 GB
3G Yes Yes
4G Yes Yes
VoLTE Yes Yes
WiFi Yes Yes
GPS Yes Yes
Bluetooth Yes Yes
USB Yes Yes
Camera 12.0 MP 13.0 MP
Camera Auto-Focus Yes Yes
Camera Flash Yes Yes
HD Video Recording Yes (4K) Yes (Full HD)
Other Camera Features Dual Camera (12MP + 12MP), Wide-angle Cam.: 26mm Focal Length; F/2.2 Aperture; 1.25um Pixel Size, Telephoto Cam.: 50mm Focal Length; F/2.6 Aperture; 1.0um Pixel Size, Phase Detection Autofocus (PDAF), 2x Optical Zoom, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama, Slow Motion Video 5P Lens, F/2.0 Aperture, Phase Detection Autofocus (PDAF), Low Light Enhancement, HDR, Panorama, Burst mode, Face Recognition, Real-time Filters
Secondary Camera 5.0 MP 5.0 MP
Secondary Camera Features Beautify, Facial Recognition, Full HD Recording Beautify, F/2.2 Aperture, Selfie Countdown, Face Recognition, Real-time Filters
Internal Memory 64 GB 64 GB
Expandable Memory Slot up to 128 GB up to 128 GB
Contacts Storage Unlimited Unlimited
SMS Storage Unlimited Unlimited
Music Player Yes Yes
FM Radio Yes
Dual SIM GSM+GSM (Hybrid SIM slot) GSM+GSM (Hybrid SIM slot)
Thickness 7.3 mm 8.65 mm
Weight 165 gm 150 gm
Audio Output 3.5mm jack 3.5mm jack
Water Resistant
Battery Capacity 3080 mAh 4100 mAh
Battery Standby N/A 432 hrs
Battery Standby (3G) N/A N/A
Battery Talktime N/A N/A
Battery Talktime (3G) N/A N/A
Fast Charging Yes
Other Battery Parameters N/A N/A
Fingerprint sensor Yes Yes
Other Features Fast Battery Charging; Dedicated 10v Amplifier; USB Type-C; WiFi Dual-band; WiFi Direct; Noise Filtration WiFi Direct; WiFi Dual-band; Noise Filtration
2-minute Review [Positives]
  • Very good, premium design, with top-notch metal construction
  • The overall form factor and weight remain quite ergonomic
  • Very good, balanced display - good responsiveness, brightness levels, and sunlight legibility
  • Runs clean, clutter-free and simple stock Android out of the box - and comes with the 'Android One series' update promise!
  • Strong, dependable performance, powered by a power-efficient Snapdragon 625 - running on stock Android eliminates some of the overheads on the processor and the phone presents a super smooth and lag free experience on general day-to-day things - it’s solid and will suffice for most except the most demanding of users
  • Good, solid dual-camera setup - Xiaomi’s stereo mode is its take on Apple’s “portrait mode”, and its task is to blur the background - the final effects are commendable most of the times - sometimes even better than much more expensive phones like the OnePlus 5 - making it easily the best dual camera system on a budget
  • Even in auto mode, the Mi A1 takes rich images with good levels of detail and colour saturation
  • There is also a very effective pro mode which even allows the user to individually choose between the wide angle camera and the telephoto lens - making for a very compelling camera package
  • Xiaomi also offers 2x optical zoom with this device - and the results are quite good
  • Video recording is decent too - it can shoot in 4k, and has time lapse and slow motion modes
  • The front 5-megapixel camera for selfies is decent too, though nothing exceptional
  • Good audio quality and volume via both headphones and the speaker
  • Good, dependable battery life - comfortably lasts a work day
  • Takes about 2 hours to charge fully - which is a decent charging speed
  • On the whole, if you are only concerned about performance and battery life, then the Redmi Note 4 may be a better choice, and if you care most about low light camera performance, then the Moto G5S Plus is at the top of the pack, but for an overall dependable phone with a dual camera setup, and stock Android experience, the Mi A1 is a brilliant choice
  • Top-notch build quality
  • The polished all-metal back of the Redmi 4 makes this phone look more premium than its predecessor (and actually more similar to the more expensive Redmi Note 4)
  • Nice attention to detail overall - such as a protective ring around the camera lens
  • Compact, and quite usable with just one hand - fits well in the hand
  • Fingerprint sensor works well, and is conveniently located
  • Nice 5-inch HD (720x1280) IPS display with 2.5D curved-edge glass - bright, sharp, and with decent viewing angles
  • Xiaomi's MIUI skin is one of the more refined Android UIs - it is clean, polished, and has a bunch of added functionality - Dual Apps, Quick Ball, One-handed mode, Child Mode, Second Space
  • Decent overall performance - on par with those of other phones powered by the Snapdragon 430 series processor
  • Decent rear camera - a definite improvement over the Redmi 3S - is quick at focusing, and images are fairly detailed and sharp
  • Video recording at 720p and 1080p is decent too
  • Decent front camera - pictures taken in good light have a good amount of detail and decent colour tone
  • Decent call quality
  • Good audio quality
  • Good video playback performance
  • Excellent battery life - with moderate use, lasts up to 2 days - there are also power saving modes to help squeeze more life out of each charge
2-minute Review [Negatives]
  • The performance is solid and dependable but not the absolute best in this price bracket - that status belongs to the likes of the Redmi Note 4
  • The camera is quite good in daylight conditions, but falls behind in low light prowess compared to say the Moto G5 Plus or Samsung Galaxy J7 Max - low light photos can sometimes be blurry and they take considerable time to process
  • Battery life is again strong, but not the best in this price bracket - that is again a position that's held by Xiaomi's Redmi Note 4
  • Camera performance is improved, but ordinary low-light shots and slow processing in HDR mode still leave something to be desired
Expert Reviews
  1. gsmarena.com in-depth Read Review »
  2. techradar.com in-depth Read Review »
  3. gadgets.ndtv.com in-depth Read Review »
  4. fonearena.com in-depth Read Review »
  5. digit.in in-depth Read Review »
  6. bgr.in in-depth Read Review »
  7. androidauthority.com in-depth Read Review »
  8. trustedreviews.com in-depth Read Review »
  9. indiatoday.intoday.in in-depth Read Review »
  10. indianexpress.com in-depth Read Review »
  11. economictimes.indiatimes.com in-depth Read Review »
  12. ibtimes.co.in in-depth Read Review »
  13. news18.com in-depth Read Review »
  14. livemint.com in-depth Read Review »
  15. slashgear.com in-depth Read Review »
  16. themobileindian.com in-depth Read Review »
  17. t3.com in-depth Read Review »
  18. beebom.com in-depth Read Review »
  19. androidpolice.com in-depth Read Review »
  20. techadvisor.co.uk in-depth Read Review »
  1. gsmarena.com in-depth Read Review »
  2. in.techradar.com in-depth Read Review »
  3. gadgets.ndtv.com in-depth Read Review »
  4. fonearena.com in-depth Read Review »
  5. digit.in in-depth Read Review »
  6. bgr.in in-depth Read Review »
  7. androidauthority.com in-depth Read Review »
  8. indianexpress.com in-depth Read Review »
  9. economictimes.indiatimes.com in-depth Read Review »
  10. tech.firstpost.com in-depth Read Review »
  11. ibtimes.co.in in-depth Read Review »
  12. news18.com in-depth Read Review »
  13. thequint.com in-depth Read Review »
  14. themobileindian.com in-depth Read Review »
  15. deccanchronicle.com in-depth Read Review »
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Unofficial specs? N/A N/A
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