Xiaomi Mi 9 vs Xiaomi 12 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

8.7
Xiaomi Mi 9	Xiaomi 12
Released · Mar 06, 2019	Released · Dec 31, 2021
6.4-inch · 2340x1080px	6.3-inch · 2400x1080px
Triple camera	Triple camera
6GB · 128GB	8GB · 128GB
3300 mAh	4500 mAh
	Check prices

Design

Dimensions
6.20 x 2.94 x 0.30 inches 157.5 x 74.67 x 7.61 mm	6.01 x 2.75 x 0.32 inches 152.7 x 69.9 x 8.2 mm
Weight
6.10 oz (173.0 g)	6.35 oz (180.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Metal	Back: Glass Frame: Aluminum
Biometrics
Optical in-screen fingerprint	Fingerprint (touch)
Keys
	Right: Volume control, Lock/Unlock key
Colors
Black, Purple, Blue	Black, Green, Blue, Pink

Display

Size
6.4-inch	6.3-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	2400x1080px, 20:9 ratio, 419 PPI
Technology
AMOLED	AMOLED
Refresh rate
	120Hz
Screen-to-body
85.23 %	89.30 %
Peak brightness
600 cd/m2 (nit)	1100 cd/m2 (nit)
Features
HDR support, Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 855 (7 nm)	Qualcomm Snapdragon 8 Gen1 SM8450 (4 nm)
Processor
Octa-core 2840 MHz Kryo 485	Octa-core 1x 3.00GHz Cortex-X2 + 3x 2.50GHz Cortex-A710 + 4x 1.80GHz Cortex-A510
GPU
Adreno 640	Adreno 730
Memory
6GB (LPDDR4)/128GB	8GB (LPDDR5)/128GB (UFS 3.1)
Storage expansion
not expandable	not expandable
OS
Android (9.0 Pie)	Android (12)

Battery

Type
3300 mAh	4500 mAh
Charging
Qualcomm Quick Charge 4+ Qi wireless charging	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
	Wired: 67.0W Wireless: 50.0W

Camera

Rear
Triple camera	Triple 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	50 MP (OIS, PDAF) Aperture size: F1.9 Focal length: 26 mm Sensor size: 1/1.56" Pixel size: 1.0 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	13 MP (Ultra-wide) Aperture size: F2.4 Focal Length: 12 mm Sensor size: 1/3.06" Pixel size: 1.12 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	5 MP (Telephoto, Macro) Focal Length: 50 mm
Flash
Dual LED	Dual LED
Video recording
4K UHD (60 fps), 1080p (960 fps), 720p (960 fps) Continuous autofocus, EIS, Video calling, Video sharing	8K UHD (24 fps), 4K UHD (30 fps), 1080p (960 fps) EIS
Front
20 MP (HDR) Video capture: 1080p	32 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.2
WLAN
802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6) Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync	NFC, Infrared

Multimedia

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

Cellular

5G
	Bands n1, n3, n5, n8, n20, n28, n38, n40, n41, n66, n77, n78, n79, SA, NSA
4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32(1500 L-band), 66(AWS-3)
4G (TDD)
Bands 38, 39, 40	Bands 34, 38, 39, 40, 41, 42
3G
Bands 5, 8, 4, 2, 1	Bands 1, 2, 4, 5, 6, 8
Data Speed
LTE-A, HSPA, HSUPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Dual Nano SIM
HD Voice
Yes
VoLTE
Yes

Phone Features

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

Buyers information

In The Box
Case, 18W Charger, USB Type-C cable, Type-c to 3.5 mm adapter, SIM removal tool, Documentation

Availability

Officially announced
Feb 20, 2019	Dec 28, 2021

Alternative variants

with 64 GB storage


Memory	64GB

With 256GB internal storage


Memory	256GB

Explorer Edition


Memory	12GB/256GB

With 12GB RAM and 256GB internal storage


Memory	12GB/256GB

Links

Full specifications
Xiaomi Mi 9 Specs	Xiaomi 12 Specs
PhoneArena Review
Xiaomi Mi 9 Review