Our Opinion

The Xiaomi Mi A2 (Android One) is a significantly better phone than the Samsung Galaxy On8 (2018), and is also significantly better value for money. What should you buy? Go for the Xiaomi Mi A2 (Android One)!

Samsung Galaxy On8 (2018)  Xiaomi Mi A2 (Android One) 
Samsung Galaxy On8 (2018) Xiaomi Mi A2
Buy Now Buy Buy
Excellence Score
37.6
59.8
Value for Money Score
69.7
89.7
Price ₹ 16,990 onwards ₹ 16,999 onwards
Launch Date (India) Aug, 2018 Aug, 2018
Expected Launch Date N/A N/A
Smartphone OS Android 8.0 OreoLow likelihood of getting updated to next Android version Android 8.1 OreoExpected update to 9.0 Pie
Touchscreen Yes (Capacitive) Yes (Capacitive)
Screen Size 6 inches 5.99 inches
Screen Resolution 720x1480 pixels (~ 274 pixels per inch) 1080x2160 pixels (~ 403 pixels per inch)
Scratch Resistant Display Yes Yes, Corning Gorilla Glass 5
Display Features Super AMOLED, 2.5D Curved Glass, Infinity display LTPS IPS LCD, FullView Display, 2.5D Curved Glass
Full Physical QWERTY Keypad
Processor 1.8 GHz 2.2 GHz
Processor Type Octa Core Octa Core
Processor Name Qualcomm Snapdragon 450Ranked #49 in Mobile Processor Benchmarks Qualcomm Snapdragon 660Ranked #12 in Mobile Processor Benchmarks
GPU Adreno 506 Adreno 512
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 16.0 MP 12.0 MP
Camera Auto-Focus Yes Yes
Camera Flash Yes Yes
HD Video Recording Yes (Full HD) Yes (4K)
Other Camera Features Dual Camera (16MP + 5MP) 16MP: F/1.7 Aperture, 5MP: F/1.9 Aperture, Live Focus Dual Camera (12MP + 20MP), 12MP: F/1.7.5 Aperture; 1/2.9" Sensor Size; 1.25µm Pixel Size; Sony IMX486 Sensor, 20MP: F/1.75 Aperture, 1/2.8" Sensor Size, 2.0?m Pixel Size; Sony IMX376 Sensor, Phase Detection Autofocus (PDAF), 2x Optical Zoom, Portrait Mode, Burst mode, Face recognition, AI Beautify, Group selfie, Geo-tagging, Touch focus, Face detection, HDR, Panorama, Slow Motion Video
Secondary Camera 16.0 MP 20.0 MP
Secondary Camera Features LED flash, F/1.9 Aperture SONY IMX376 Sensor, 2.0?m Pixel Size, F/2.2 Aperture, AI Beautify, AI Portrait Mode, HDR, Selfie Flash, Selfie timer, Face recognition, Group selfie
Internal Memory 64 GB 64 GB
Expandable Memory Slot up to 256 GB
Contacts Storage Unlimited Unlimited
SMS Storage Unlimited Unlimited
Music Player Yes Yes
FM Radio Yes Yes
Dual SIM GSM+GSM GSM+GSM
Thickness 8.2 mm 7.3 mm
Weight 177 gm 168 gm
Audio Output 3.5mm jack USB-C
Water Resistant
Battery Capacity 3500 mAh 3010 mAh
Battery Standby N/A N/A
Battery Standby (3G) N/A N/A
Battery Talktime N/A N/A
Battery Talktime (3G) 23.00 hrs N/A
Fast Charging Yes, Quick Charge 4.0
Other Battery Parameters Internet Usage Time (3G): upto 12 hrs, Internet Usage Time (4G): upto 13 hrs, Internet Usage Time (WiFi): upto 14 hrs, Video Playback Time: upto 20 hrs, Audio Playback Time: upto 112 hrs N/A
Fingerprint sensor Yes Yes
Other Features ANT+ Support; Dual-band WiFi; WiFi Direct; Noise Filtration WiFi Dual-band; WiFi Direct; USB Type-C; Noise Filtration
2-minute Review [Positives]
  • Has a new, modern 'infinity edge' 18:9 display, that stretches from edge-to-edge, and makes the device easy to use with one hand
  • Samsung Experience UI is a fairly feature-rich Android skin - you get tons of features such as a theme store, gesture support, built-in smart assistant which can let you do anything with your voice, enhanced split screen controls, parallel apps, and more (although it does tend to pack plenty of bloatware too)
  • Pretty decent rear dual cameras, especially in daylight - both normal pictures and bokeh shots come out fairly good - they are plenty sharp, have little noise, and colors and dynamic range are generally on point
  • Pretty decent front camera too, in good lighting conditions, with support for bokeh selfies, and group selfies
  • Additionally, the camera also brings in a lot of funky and cool camera modes
  • Good call quality with effective noise cancellation
  • Very good battery life - the big 3500 mAh battery, combined with the low power Snapdragon 450 processor and a 720p HD+ display gives you a recipe for some very good battery life - the phone comfortably lasts a whole day and if you use it judiciously, you can even make it last for two days
  • Well built
  • The fingerprint reader on the back is in a natural position to comfortably unlock with either index finger
  • Contemporary, tall 18:9 display, brings the Mi Android One series up to modern standards
  • One of the best parts about the phone is of course the fact that it is part of the Android One series, which should mean guaranteed Android updates for at least 2 years + a stock, simple version of Android, with no unnecessary bloat
  • Butter smooth performance backed by a powerful Snapdragon 660 chipset, hardly seen at this low a price bracket
  • Stellar set of dual cameras on the rear - arguably the joint best at this price point, at par with the excellent Redmi Note 5 Pro - take nice photos in good and low light alike, and the bokeh shots too come out well
  • Very good selfie camera, with good bokeh shots - overall one of the best selfie cameras in this price bracket
  • Very loud loudspeaker, one of the best in this price bracket
  • Fast charging support
  • On the whole, the Mi A2 is a good, solid phone in this price bracket and you won't go wrong with it - it will compete strongly against the likes of Redmi Note 5 Pro (a bit cheaper, but doesn't have stock Android), and Honor Play (faster, better for gaming, but loses on the software)
2-minute Review [Negatives]
  • Boring, repeated design
  • Plastic based build (most of the competition is metal phones)
  • The quality of the display is strictly average - the resolution is low, and brightness levels and sunlight legibility leave a lot to be desired
  • Day-to-day performance is good with the Snapdragon 450, but gaming performance is not that good - a lot of the competition has much better specced processors
  • While both rear and front cameras perform well in good lighting conditions, they are pretty ordinary when it comes to low-light performance
  • Uses the old micro-USB standard instead of the modern USB-C port
  • The speaker is both oddly placed (on the right side of the phone) and tiny and cracks at higher volume
  • No fast charging support
  • On the whole, while seen in isolation, the On8 is a decent phone, it is in a category which is filled with smartphones which are much better looking, have better displays, are more powerful, and overall bring a better value for money - you can look at the Redmi Note 5 Pro which is better than the Galaxy On8 on each and every spec and costs less - if you don’t like MIUI, you can take a look at the ZenFone Max Pro which brings better specs, stock Android and a huge 5000 mAh battery
  • No 3.5mm jack, so if you want to use your existing standard-jack headphones, you will need to use an adapter (included in the box)
  • Brightness levels for the display could have been better - it's not the easiest phone to use under sunlight
  • The battery life could have been better - it will last you the day with moderate use, but it's not as good as the best of the competition
Expert Reviews
  1. beebom.com in-depth Read Review »
  1. Affordable as it may be, it wouldn't be our default choice in the midrange quite like the A1 was
    gsmarena.com in-depth Read Review »
  2. If you can't do without stock Android and want good cameras without paying too much, then the Mi A2 should check all your boxes
    gadgets.ndtv.com in-depth Read Review »
  3. Has all the elements of success
    digit.in in-depth Read Review »
  4. Quite easy to recommend
    bgr.in in-depth Read Review »
  5. Go for the Mi A2 if and only if you want a Xiaomi phone with stock Android OS
    firstpost.com in-depth Read Review »
  6. indianexpress.com in-depth Read Review »
  7. news18.com in-depth Read Review »
  8. androidcentral.com in-depth Read Review »
  9. indiatoday.in in-depth Read Review »
  10. deccanchronicle.com in-depth Read Review »
  11. fonearena.com hands-on Read Review »
  12. androidauthority.com hands-on Read Review »
  13. digitaltrends.com hands-on Read Review »
User Reviews
  1. Flipkart4.4 202+ reviews »
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Official Website Official Website » Official Website »
Unofficial specs? N/A N/A
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