Xiaomi Mi 9 vs Xiaomi Mi Mix Alpha Specs Comparison

Availability

Officially announced
Feb 20, 2019	Sep 24, 2019
Scheduled release
	December 2019

Design

Dimensions
6.20 x 2.94 x 0.30 inches 157.5 x 74.67 x 7.61 mm	6.08 x 2.85 x 0.41 inches 154.38 x 72.3 x 10.4 mm
Weight
6.10 oz / 173.0 g	8.50 oz / 241.0 g
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Metal	Frame: Titanium
Biometrics
Optical in-screen fingerprint	Optical in-screen fingerprint
Colors
Black, Purple, Blue	Black

Display

Size
6.4-inch, 85.23% screen-to-body	7.9-inch, 180.49% screen-to-body
Type
AMOLED, HDR, 600 nits	OLED
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	2250x2088px, 388 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)	Snapdragon 855+ SM8150-AC (7 nm)
Processor
Octa-core 2840 MHz Kryo 485	Octa-core 2960 MHz Kryo 485
GPU
Adreno 640	Adreno 640
Memory
6GB (LPDDR4)/128GB 6GB/64GB 12GB/256GB	12GB (LPDDR4)/512GB
Storage expansion
not expandable
OS
Android (9.0 Pie)	Android (10)

Battery

Type
3300 mAh	4050 mAh, Li - Ion
Charging
Qualcomm Quick Charge 4+ Qi wireless charging	Fast charging

Camera

Rear
Triple camera	Triple camera, Doubles as a selfie 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	108 MP (Sapphire crystal lens cover, OIS, Laser and PDAF) Aperture size: F1.7 Sensor size: 1/1.33" Pixel size: 0.8 μm
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	12 MP (Sapphire crystal lens cover, Laser and PDAF) Optical zoom: 2.0x Aperture size: F2.0 Sensor size: 1/2.55" Pixel size: 1.4 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	20 MP (Ultra-wide, Sapphire crystal lens cover, Laser autofocus) Aperture size: F2.2 Sensor size: 1/2.8" Pixel size: 1 μm
Flash
Dual LED	Dual LED
Video recording
4K UHD (60 fps), 1080p (960 fps), 720p (960 fps) Continuous autofocus, EIS, Video calling, Video sharing	4K UHD, 1080p
Front
20 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	a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Thermometer, Humidity, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
aptX-HD	aptX-HD
Screen mirroring
Wireless screen share	DLNA,Wireless screen share
Additional microphone(s)
	Noise cancellation

Cellular

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

Discover more

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

Full Specs Xiaomi Mi Mix Alpha Specs