Xiaomi Mi A3 vs Xiaomi Redmi 9
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Display
Size
Resolution
Technology
Super AMOLED
IPS LCD
Screen-to-body
82.56 %
83.27 %
Features
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip
Qualcomm Snapdragon 665
MediaTek Helio G80
Processor
GPU
Adreno 610
Mali G52 MC2
RAM
Internal storage
128GB
32GB (eMMC 5.1)
Storage expansion
microSDXC up to 256 GB
microSDXC
OS
Android (10, 9.0 Pie)
Android
Battery
Capacity
4030 mAh
5020 mAh
Type
Not user replaceable
Not user replaceable
Charging
Qualcomm Quick Charge 3.0
Qualcomm Quick Charge 3.0
Max charge speed
Wired: 18.0W
Camera
Rear
Triple camera
Quad camera
Main camera
Specifications
Aperture size: F1.8; Sensor size: 1/2.3"; Pixel size: 0.8 μm
Aperture size: F2.2
Second camera
8 MP (Ultra-wide)
8 MP (Ultra-wide)
Specifications
Aperture size: F2.2; Pixel size: 1.12 μm
Aperture size: F2.2
Third camera
2 MP (Depth information)
5 MP (Macro)
Specifications
Aperture size: F2.4
Aperture size: F2.4
Fourth camera
2 MP (Depth information)
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD)
Features
EIS, Video calling, Video sharing
Front
32 MP
8 MP (HDR)
Design
Dimensions
Weight
the average is 6.2 oz (176 g)
the average is 6.2 oz (176 g)
Materials
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Biometrics
2D Face unlock, In-screen fingerprint
2D Face unlock, Fingerprint (touch)
Colors
Gray, Blue, White
Carbon gray, Sunset purple, Ocean green
Cellular
LTE (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
LTE (TDD)
Bands 38(2600), 40(2300)
Bands 38(2600), 40(2300), 41(2600+)
UMTS
850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
Data Speed
Dual SIM
Yes
Yes
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
VoLTE
Yes
Multimedia
Headphones
3.5mm jack
3.5mm jack
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share
Wireless screen share
Radio
FM
FM
Additional microphone(s)
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth
5.0
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 b, g, n; Wi-Fi Direct, Hotspot
USB
Type-C (reversible)
Type-C (reversible), USB 2.0
Features
Charging, Mass storage device
Charging
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync
NFC, Infrared
Buyers information
In The Box
10W charger, USB Type-C cable, SIM eject tool, User guide, Soft case, Warranty card
10W Charger, TPU case, USB Type-C cable, SIM eject tool, Warranty card, User guide
