Xiaomi Mi A1 vs Xiaomi Mi A2 Specs Comparison

Availability

Officially announced
Sep 05, 2017	Jul 24, 2018

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 / 165.0 g	5.93 oz / 168.0 g
Materials
Back: Metal	Back: Aluminum
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Features
Touch sensitive control keys
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Pink	Black, Gold, Pink, Blue, Red

Display

Size
5.5-inch, 70.87% screen-to-body	6.0-inch, 77.32% screen-to-body
Type
IPS LCD, 450 nits	IPS LCD
Resolution
1920x1080px, 401 PPI	2160x1080px, 18:9 ratio, 403 PPI
Protection
	Corning Gorilla Glass 5
Features
Oleophobic coating, Ambient light sensor, Proximity sensor

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	1 (Excellent)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 625 8953 (14 nm)	Snapdragon 660 SDM660 (14 nm)
Processor
Octa-core 2000 MHz ARM Cortex-A53	Octa-core Kryo 260
GPU
Adreno 506	Adreno 512
Memory
4GB (LPDDR3)/64GB	6GB (LPDDR4)/128GB 4GB/32GB 4GB/64GB
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

Type
3080 mAh, Li - Ion	3010 mAh, Li - Polymer
Charging
Fast charging	Qualcomm Quick Charge 3.0

Camera

Rear
Dual camera	Dual camera
Main camera
12 MP (PDAF) Aperture size: F2.2 Focal length: 26 mm Pixel size: 1.25 μm	12 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2.9" Pixel size: 1.25 μm
Second camera
12 MP (Telephoto, Autofocus) Optical zoom: 2.0x Aperture size: F2.6 Focal Length: 50 mm Pixel size: 1 μm	20 MP Aperture size: F1.8 Sensor size: 1/2.8" Pixel size: 1 μm
Flash
Dual LED	LED
Video recording
4K UHD (30 fps), 1080p (30 fps), 720p (120 fps) Video calling, Video sharing	4K UHD (30 fps), 1080p (30 fps), 720p (120 fps) Video calling, Video sharing
Front
5 MP Video capture: 1080p	20 MP (Flash, HDR) Video capture: 1080p

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, BeiDou
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync	Infrared, VoIP, Tethering, Computer sync, OTA sync

Multimedia

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

Cellular

4G (FDD) Bands
1, 3, 5	1, 2, 3, 4, 5, 7, 8, 20
4G (TDD) Bands
40, 41	38, 40
3G Bands
5, 8, 2, 1	2, 3, 5, 8
Data Speed
LTE, HSPA, HSUPA	LTE-A, HSPA, HSUPA
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Alternative variants

with 32 GB of storage

Memory	4GB/32GB

with 64 GB of storage

Memory	4GB/64GB

Links

Full specifications
Xiaomi Mi A1 Specs	Xiaomi Mi A2 Specs
PhoneArena Review
	Xiaomi Mi A2 Review
User Reviews
Xiaomi Mi A1 User Reviews	Xiaomi Mi A2 User Reviews