Xiaomi Mi A1 vs Xiaomi Mi A2

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Display

Size

5.5 inches
6.0 inches

Resolution

1920 x 1080 pixels,
401 PPI
2160 x 1080 pixels, 18:9 ratio,
403 PPI

Technology

IPS LCD
IPS LCD

Screen-to-body

70.87 %
77.32 %

Features

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

Hardware & Performance

System chip

Qualcomm Snapdragon 625 8953
Qualcomm Snapdragon 660 SDM660

Processor

Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2200 MHz, Kryo 260, 64-bit, 14 nm

GPU

Adreno 506
Adreno 512

RAM

4GB LPDDR3
6GB LPDDR4

Internal storage

64GB
128GB

Storage expansion

microSDXC up to 256 GB
 

OS

Android (9.0 Pie, 8.1 Oreo, 8.0 Oreo, 7.1 Nougat)
Android (10, 8.1 Oreo)

Battery

Capacity

3080 mAh
3010 mAh

Type

Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable

Charging

Fast charging
Qualcomm Quick Charge 3.0

Camera

Rear

Dual camera
Dual camera

Main camera

12 MP (PDAF)
12 MP (PDAF)

Specifications

Aperture size: F2.2; Focal length: 26 mm; Pixel size: 1.25 μm
Aperture size: F1.8; Sensor size: 1/2.9"; Pixel size: 1.25 μm

Second camera

12 MP (Telephoto, Autofocus)
20 MP

Specifications

Optical zoom: 2x; Aperture size: F2.6; Focal Length: 50 mm; Pixel size: 1 μm
Aperture size: F1.8; Sensor size: 1/2.8"; Pixel size: 1 μm

Video recording

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

Features

Video calling, Video sharing
Video calling, Video sharing

Front

5 MP
20 MP (Flash, HDR)

Design

Dimensions

6.12 x 2.98 x 0.29 inches (155.4 x 75.8 x 7.3 mm)
6.25 x 2.97 x 0.29 inches (158.7 x 75.4 x 7.3 mm)

Weight

5.82 oz (165 g)
the average is 6.5 oz (184 g)
5.93 oz (168 g)
the average is 6.5 oz (184 g)

Materials

Back: Metal
Back: Aluminum

Biometrics

Fingerprint (touch)
Fingerprint (touch)

Features

Touch sensitive control keys
 

Colors

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

Cellular

LTE (FDD)

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

LTE (TDD)

Bands 40(2300), 41(2600+)
Bands 38(2600), 40(2300)

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1800, 1900 MHz

Data Speed

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

Dual SIM

Yes
Yes

SIM type

Nano SIM
Nano SIM

Multimedia

Headphones

3.5mm jack
No 3.5mm jack

Features

Album art cover, Background playback
Album art cover, Background playback

Connectivity & Features

Bluetooth

4.2
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; Wi-Fi Direct, Hotspot

USB

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

Features

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

Sensors

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

Other

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

Shopping information

In The Box

 
Power adapter, USB cable, SIM eject too, Type-C to Audio adapter, User guide, Clear soft case
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