Xiaomi Mi 9 SE vs Xiaomi Mi A3 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Xiaomi Mi 9 SE Xiaomi Mi A3
Released · Apr 15, 2019
Released · Jul 24, 2019
6.0-inch · 2340x1080px
6.1-inch · 1560x720px
Triple camera
Triple camera
6GB · 128GB
4GB · 128GB
3070 mAh
4030 mAh

Design

Dimensions
5.81 x 2.78 x 0.29 inches
147.5 x 70.5 x 7.45 mm
6.04 x 2.83 x 0.33 inches
153.48 x 71.85 x 8.475 mm
Weight
5.47 oz (155.0 g) 6.13 oz (173.8 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint 2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Back: Volume control, Lock/Unlock key
Colors
Black, Purple, Blue Gray, Blue, White

Display

Size
6.0-inch 6.1-inch
Resolution
2340x1080px, 19.5:9 ratio, 432 PPI 1560x720px, 19.5:9 ratio, 282 PPI
Technology
AMOLED Super AMOLED
Screen-to-body
83.96 % 82.56 %
Colors
16 777 216
Peak brightness
600 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 712 SDM712 (10 nm) Qualcomm Snapdragon 665 (11 nm)
Processor
Octa-core
2300 MHz
Kryo 360
Octa-core
2000 MHz
Kryo 260
GPU
Adreno 616 Adreno 610
Memory
6GB (LPDDR4)/128GB 4GB (LPDDR4)/128GB
Storage expansion
microSDXC up to 256 GB
OS
Android (9.0 Pie) Android (11, 10, 9.0 Pie)

Battery

Type
3070 mAh 4030 mAh
Charging
Qualcomm Quick Charge 3.0

Camera

Rear
Triple camera Triple camera
Main camera
48 MP (PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
48 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/2.3"
Pixel size: 0.8 μm
Second camera
13 MP (Ultra-wide, PDAF)
Aperture size: F2.4
Sensor size: 1/3.06"
Pixel size: 1.12 μm
8 MP (Ultra-wide)
Aperture size: F2.2
Pixel size: 1.12 μm
Third camera
8 MP (Telephoto, Autofocus)
Aperture size: F2.4
Sensor size: 1/4"
Pixel size: 1.12 μm
2 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (960 fps)
EIS, Video calling, Video sharing
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
EIS, Video calling, Video sharing
Front
20 MP (HDR) 32 MP
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0 Type-C
Location
GPS, A-GPS, Glonass, Galileo, BeiDou GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass Accelerometer, Gyroscope, Compass
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync Infrared, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
No 3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Album art cover, Background playback Album art cover, Background playback
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 1, 3, 5, 7, 8 Bands 1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD)
Bands 34, 38, 39, 40, 41 Bands 38, 40
3G
Bands 5, 8, 2, 1 Bands 5, 8, 4, 2, 1
Data Speed
LTE-A, HSPA, HSUPA LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes Yes
SIM type
Nano SIM Nano SIM
VoLTE
Yes

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording

Buyers information

In The Box
10W charger, USB Type-C cable, SIM eject tool, User guide, Soft case, Warranty card

Availability

Officially announced
Feb 20, 2019 Jul 17, 2019

Alternative variants

with 64 GB storage
Memory 64GB
FCC OKs Cingular\'s purchase of AT&T Wireless