Xiaomi Mi 9 vs Xiaomi Redmi 9A Specs Comparison

Availability

Officially announced
Feb 20, 2019

Design

Dimensions
6.20 x 2.94 x 0.30 inches 157.5 x 74.67 x 7.61 mm	6.49 x 3.03 x 0.35 inches 164.9 x 77.07 x 9 mm
Weight
6.10 oz / 173.0 g	6.91 oz / 196.0 g
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Metal	Back: Plastic
Materials & Colors
	Carbon grey, Sky blue, Ocean green
Biometrics
Optical in-screen fingerprint	2D Face unlock
Keys
	Right: Volume control, Lock/Unlock key
Colors
Black, Purple, Blue

Display

Size
6.4-inch, 85.23% screen-to-body	6.5-inch, 81.15% screen-to-body
Type
AMOLED, HDR, 600 nits	IPS LCD
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	1600x720px, 20:9 ratio, 269 PPI
Protection
Corning Gorilla Glass 6
Features
HDR support, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
2 (Good)	Untested

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 855 (7 nm)	MediaTek Helio G25 (12 nm)
Processor
Octa-core 2840 MHz Kryo 485	Octa-core 2000 MHz Arm Cortex-A53
GPU
Adreno 640	PowerVR GE8320
Memory
6GB (LPDDR4)/128GB 6GB/64GB 12GB/256GB	2GB (LPDDR4)/32GB (eMMC 5.1)
Storage expansion
not expandable	microSDXC
OS
Android (9.0 Pie)	Android (10)

Battery

Type
3300 mAh	5000 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 4+ Qi wireless charging
Charge speed
	Wired: 10.0W

Camera

Rear
Triple camera	Single 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	13 MP (PDAF)
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
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
Flash
Dual LED	LED
Video recording
4K UHD (60 fps), 1080p (960 fps), 720p (960 fps) Continuous autofocus, EIS, Video calling, Video sharing	1080p (60 fps)
Front
20 MP (HDR) Video capture: 1080p	5 MP (HDR) Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	b,g,n Wi-Fi Direct, Hotspot 802.11 b, g, n
USB
Type-C, USB 2.0	microUSB, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync

Discover more

Full Specs Xiaomi Mi 9 Specs PA Review Xiaomi Mi 9 Review

Full Specs Xiaomi Redmi 9A Specs

Multimedia

Headphones
No 3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28	1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 39, 40	38, 40, 41
3G Bands
5, 8, 4, 2, 1	5, 8, 4, 2, 1
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	Yes
VoLTE
Yes	Yes

Phone Features

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

Alternative variants

with 64 GB storage

Memory	64GB

Explorer Edition

Memory	12GB/256GB