Xiaomi Mi A2 vs Xiaomi Mi 9 Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.0 inches
6.4 inches

Resolution:

2160 x 1080 pixels, 18:9 ratio, 403 PPI
2340 x 1080 pixels, 19.5:9 ratio, 403 PPI

Technology:

IPS LCD
AMOLED

Screen-to-body:

77.32 %
85.23 %

Peak brightness:

600 cd/m2 (nit)

Features:

Scratch-resistant glass (Corning Gorilla Glass 5), ShatterShield, Ambient light sensor, Proximity sensor
HDR support, Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 660 SDM660 (14 nm)
Qualcomm Snapdragon 855 (7 nm)

Processor:

Octa-core, 2200 MHz, Kryo 260, 64-bit
Octa-core, 2840 MHz, Kryo 485, 64-bit

GPU:

Adreno 512
Adreno 640

RAM:

6GB LPDDR4
6GB LPDDR4

Internal storage:

128GB
128GB, not expandable

Device type:

Smartphone
Smartphone

OS:

Android (10, 8.1 Oreo)
Android (9.0 Pie), Xiaomi MI UI

Battery

Capacity:

3010 mAh
3300 mAh

Type:

Li - Polymer, Not user replaceable
Not user replaceable

Charging:

Qualcomm Quick Charge 3.0
Qualcomm Quick Charge 4+, Qi wireless charging

Camera

Rear:

Dual camera
Triple camera

Main camera:

12 MP (PDAF)
48 MP (Sapphire crystal lens cover, Laser and PDAF, CMOS image sensor)

Specifications:

Aperture size: F1.8; Sensor size: 1/2.9"; Pixel size: 1.25 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

20 MP
12 MP (Telephoto, Sapphire crystal lens cover, PDAF)

Specifications:

Aperture size: F1.8; Sensor size: 1/2.8"; Pixel size: 1 μm
Optical zoom: 2.0x; Aperture size: F2.2; Focal Length: 50 mm; Sensor size: 1/3.4"; Pixel size: 1 μm

Third camera:

16 MP (Ultra-wide, Sapphire crystal lens cover, PDAF)

Specifications:

Aperture size: F2.2; Focal Length: 17 mm; Sensor size: 1/3"; Pixel size: 1 μm

Flash:

LED
Dual LED

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps)

Features:

Video calling, Video sharing
Continuous autofocus, EIS, Video calling, Video sharing

Front:

20 MP (Flash, HDR)
20 MP (HDR)

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.25 x 2.97 x 0.29 inches (158.7 x 75.4 x 7.3 mm)
6.20 x 2.94 x 0.30 inches (157.5 x 74.67 x 7.61 mm)

Weight:

5.93 oz (168.0 g)
6.10 oz (173.0 g)

Materials:

Back: Aluminum
Back: Glass (Corning Gorilla Glass 5); Frame: Metal

Biometrics:

Fingerprint (touch)
In-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key

Colors:

Black, Gold, Pink, Blue, Red
Black, Purple, Blue

Cellular

4G (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)
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)

4G (TDD):

Bands 38(2600), 40(2300)
Bands 38(2600), 39(1900+), 40(2300)

3G:

Bands 5(850), 8(900), 3(1800), 2(1900)
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Data Speed:

LTE-A, HSPA, HSUPA
LTE-A, HSPA, HSUPA

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

No 3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Album art cover, Background playback
aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

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 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0

Features:

Charging, Headphones port, Mass storage device
Mass storage device, OTG, Charging, Headphones port

Location:

GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Glonass, Galileo, BeiDou

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass

Other:

Infrared, VoIP, Tethering, Computer sync, OTA sync
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync

Phone features

Notifications:

Haptic feedback, Music ringtones, Vibration

Other features:

Voice dialing, Voice commands, Voice recording

Buyers information

In The Box:

Power adapter, USB cable, SIM eject too, Type-C to Audio adapter, User guide, Clear soft case
Case, 18W Charger, USB Type-C cable, Type-c to 3.5 mm adapter, SIM removal tool, Documentation

Availability

Officially announced:

Jul 24, 2018
Feb 20, 2019
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