Xiaomi Mi A2 vs Xiaomi Redmi Note 9 Pro Specs Comparison

Design

Dimensions
6.25 x 2.97 x 0.29 inches 158.7 x 75.4 x 7.3 mm	6.53 x 3.02 x 0.35 inches 165.8 x 76.7 x 8.8 mm
Weight
5.93 oz (168.0 g)	7.37 oz (209.0 g)
Materials
Back: Aluminum	Back: Glass (Corning Gorilla Glass 5) Frame: Plastic
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Pink, Blue, Red	Interstellar gray, Tropical green, Glacier white

Display

Size
6.0-inch	6.7-inch
Resolution
2160x1080px, 18:9 ratio, 403 PPI	2400x1080px, 20:9 ratio, 395 PPI
Technology
IPS LCD	IPS LCD
Screen-to-body
77.32 %	84.42 %
Features
Scratch-resistant glass (Corning Gorilla Glass 5), ShatterShield, Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 660 SDM660 (14 nm)	Qualcomm Snapdragon 720G SM7125 (8 nm)
Processor
Octa-core 2200 MHz Kryo 260	Octa-core 2300 MHz Kryo 465
GPU
Adreno 512	Adreno 618
RAM
6GB (LPDDR4)	6GB (LPDDR4)
Internal storage
128GB	64GB (UFS 2.1)
Storage expansion
	microSDXC up to 512 GB
OS
Android (10, 8.1 Oreo)	Android (10), Xiaomi MI UI

Battery

Capacity
3010 mAh	5020 mAh
Type
Li - Polymer	Li - Polymer
Charging
Qualcomm Quick Charge 3.0	Fast charging
Charge speed
	Wired: 30.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

12h 17min

Gaming

10h 56min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera	Quad camera
Main camera
12 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2.9" Pixel size: 1.25 μm	64 MP (PDAF) Aperture size: F1.9 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
20 MP Aperture size: F1.8 Sensor size: 1/2.8" Pixel size: 1 μm	8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	5 MP (Macro, Autofocus) Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.12 μm
Fourth camera
	2 MP (Depth information) Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.75 μm
Flash
LED	Dual LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps) Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)
Front
20 MP (Flash, HDR), Video capture: 1920x1080 (Full HD)	16 MP (HDR, Slow-motion videos), Video capture: 1920x1080 (Full HD)

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, USB 2.0
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync	NFC, Infrared

Multimedia

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

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), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 38(2600), 40(2300)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 3(1800), 2(1900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSPA, HSUPA	LTE-A, 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

Buyers information

In The Box
Power adapter, USB cable, SIM eject too, Type-C to Audio adapter, User guide, Clear soft case	33W Power adapter, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card

Availability

Officially announced
Jul 24, 2018	Apr 30, 2020

Alternative variants

with 32 GB of storage

RAM	4GB
Internal storage	32GB

with 128GB storage

Internal storage	128GB

with 64 GB of storage

RAM	4GB
Internal storage	64GB

Links

Full specifications
Xiaomi Mi A2 Specs	Xiaomi Redmi Note 9 Pro Specs
PhoneArena Review
Xiaomi Mi A2 Review	Xiaomi Redmi Note 9 Pro Review
User Reviews
Xiaomi Mi A2 User Reviews	Xiaomi Redmi Note 9 Pro User Reviews