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Xiaomi Mi 9 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.

Comparison mode:
Specs Size
Differences only
8.7
Xiaomi Mi 9
Xiaomi Mi A3
Xiaomi Mi 9 Xiaomi Mi A3
Released · Mar 06, 2019
Released · Jul 24, 2019
6.4-inch · 2340x1080px
6.1-inch · 1560x720px
Triple camera
Triple camera
6GB · 128GB
4GB · 128GB
3300 mAh
4030 mAh

Design

Dimensions
6.20 x 2.94 x 0.30 inches
157.5 x 74.67 x 7.61 mm 		6.04 x 2.83 x 0.33 inches
153.48 x 71.85 x 8.475 mm
Weight
6.10 oz (173.0 g) 6.13 oz (173.8 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Metal 		Back: Glass (Corning Gorilla Glass 5)
Frame: Plastic
Biometrics
Optical in-screen fingerprint 2D Face unlock, Optical in-screen fingerprint
Keys
Back: Volume control, Lock/Unlock key
Colors
Black, Purple, Blue Gray, Blue, White

Display

Size
6.4-inch 6.1-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 1560x720px, 19.5:9 ratio, 282 PPI
Technology
AMOLED Super AMOLED
Screen-to-body
85.23 % 82.56 %
Peak brightness
600 cd/m2 (nit)
Features
HDR support, Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 855 (7 nm) Qualcomm Snapdragon 665 (11 nm)
Processor
Octa-core
2840 MHz
Kryo 485 		Octa-core
2000 MHz
Kryo 260
GPU
Adreno 640 Adreno 610
RAM
6GB (LPDDR4) 4GB (LPDDR4)
Internal storage
128GB 128GB
Storage expansion
not expandable microSDXC up to 256 GB
OS
Android (9.0 Pie), Xiaomi MI UI Android (11, 10, 9.0 Pie)

Battery

Capacity
3300 mAh 4030 mAh
Charging
Qualcomm Quick Charge 4+, Qi wireless charging Qualcomm Quick Charge 3.0

Camera

Rear
Triple camera Triple camera
Main camera
48 MP (Sapphire crystal lens cover, Laser and PDAF, CMOS image sensor)
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
12 MP (Telephoto, Sapphire crystal lens cover, PDAF)
Optical zoom: 2.0x
Aperture size: F2.2
Focal Length: 50 mm
Sensor size: 1/3.4"
Pixel size: 1 μm 		8 MP (Ultra-wide)
Aperture size: F2.2
Pixel size: 1.12 μm
Third camera
16 MP (Ultra-wide, Sapphire crystal lens cover, PDAF)
Aperture size: F2.2
Focal Length: 17 mm
Sensor size: 1/3"
Pixel size: 1 μm 		2 MP (Depth information)
Aperture size: F2.4
Flash
Dual LED LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps)
Continuous autofocus, EIS, Video calling, Video sharing 		3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
EIS, Video calling, Video sharing
Front
20 MP (HDR), Video capture: 1920x1080 (Full HD) 32 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
802.11 a,b,g,n,ac,dual-band
MIMO, 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
aptX-HD 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(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 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)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300) Bands 38(2600), 40(2300)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100) Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
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
HD Voice
Yes
VoLTE
Yes

Phone Features

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

Buyers information

In The Box
Case, 18W Charger, USB Type-C cable, Type-c to 3.5 mm adapter, SIM removal tool, Documentation 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
Internal storage 64GB
with 64 GB storage
Internal storage 64GB
Explorer Edition
RAM 12GB
Internal storage 256GB
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