Xiaomi Mi Mix 3 vs Xiaomi Mi 9 Specs Comparison

Design

Dimensions
6.22 x 2.94 x 0.33 inches 157.89 x 74.69 x 8.46 mm	6.20 x 2.94 x 0.30 inches 157.5 x 74.67 x 7.61 mm
Weight
7.69 oz (218.0 g)	6.10 oz (173.0 g)
Materials
Back: Ceramic Frame: Aluminum	Back: Glass (Corning Gorilla Glass 5) Frame: Metal
Biometrics
2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Features
Notification light
Keys
Right: Volume control, Lock/Unlock key
Colors
Black, Green, Blue	Black, Purple, Blue

Display

Size
6.4-inch	6.4-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Technology
Super AMOLED	AMOLED
Screen-to-body
84.96 %	85.23 %
Peak brightness
600 cd/m2 (nit)	600 cd/m2 (nit)
Features
HDR support, Ambient light sensor, Proximity sensor	HDR support, Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm)	Qualcomm Snapdragon 855 (7 nm)
Processor
Octa-core 2800 MHz Kryo 385	Octa-core 2840 MHz Kryo 485
GPU
Adreno 630	Adreno 640
RAM
8GB (LPDDR4)	6GB (LPDDR4)
Internal storage
256GB	128GB
Storage expansion
not expandable	not expandable
OS
Android (9.0 Pie)	Android (9.0 Pie), Xiaomi MI UI

Battery

Capacity
3200 mAh	3300 mAh
Type
Li - Polymer
Charging
Qualcomm Quick Charge 4+, Qi wireless charging	Qualcomm Quick Charge 4+, Qi wireless charging

Camera

Rear
Dual camera	Triple camera
Main camera
12.2 MP (OIS, PDAF) Aperture size: F1.8 Sensor size: 1/2.55" Pixel size: 1.4 μm	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
Second camera
12 MP (Telephoto) Optical zoom: 2.0x Sensor size: 1/3.4" Pixel size: 1 μm	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	Dual LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps) Time-lapse video, EIS, Video calling, Video sharing	3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps) Continuous autofocus, EIS, Video calling, Video sharing
Front
24 MP (Dual-Camera, Flash, HDR)	20 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

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

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 38(2600), 39(1900+), 40(2300)
3G
Bands 6(800), 5(850), 8(900), 4(1700/2100), 3(1800), 2(1900), 1(2100)	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Data Speed
LTE-A, HSPA, HSUPA	LTE-A, HSPA, HSUPA
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

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
Oct 25, 2018	Feb 20, 2019

Alternative variants

with 6 GB RAM

RAM	6GB
Colors	Black

with 64 GB storage

Internal storage	64GB

with 256 GB storage

Internal storage	256GB
Colors	Black

Explorer Edition

RAM	12GB
Internal storage	256GB

Forbidden City Special Edition

RAM	10GB

Links

Full specifications
Xiaomi Mi Mix 3 Specs	Xiaomi Mi 9 Specs
PhoneArena Review
Xiaomi Mi Mix 3 Review	Xiaomi Mi 9 Review