Xiaomi Mi Mix 3 vs Xiaomi Mi 9 SE Specs Comparison

Design

Dimensions
6.22 x 2.94 x 0.33 inches 157.89 x 74.69 x 8.46 mm	5.81 x 2.78 x 0.29 inches 147.5 x 70.5 x 7.45 mm
Weight
7.69 oz (218.0 g)	5.47 oz (155.0 g)
Materials
Back: Ceramic Frame: Aluminum
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Features
Notification light
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Green, Blue	Black, Purple, Blue

Display

Size
6.4-inch	6.0-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	2340x1080px, 19.5:9 ratio, 432 PPI
Technology
Super AMOLED	AMOLED
Screen-to-body
84.96 %	83.96 %
Colors
	16 777 216
Peak brightness
600 cd/m2 (nit)	600 cd/m2 (nit)
Features
HDR support, Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm)	Qualcomm Snapdragon 712 SDM712 (10 nm)
Processor
Octa-core 2800 MHz Kryo 385	Octa-core 2300 MHz Kryo 360
GPU
Adreno 630	Adreno 616
RAM
8GB (LPDDR4)	6GB (LPDDR4)
Internal storage
256GB	128GB
Storage expansion
not expandable
OS
Android (9.0 Pie)	Android (9.0 Pie)

Battery

Capacity
3200 mAh	3070 mAh
Type
Li - Polymer
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 (PDAF) 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	13 MP (Ultra-wide, PDAF) Aperture size: F2.4 Sensor size: 1/3.06" Pixel size: 1.12 μm
Third camera
	8 MP (Telephoto, Autofocus) Aperture size: F2.4 Sensor size: 1/4" Pixel size: 1.12 μm
Flash
Dual LED	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) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps) EIS, Video calling, Video sharing
Front
24 MP (Dual-Camera, Flash, HDR)	20 MP (HDR)

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 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	Album art cover, Background playback
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), 3(1800), 5(850), 7(2600), 8(900)
4G (TDD)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 6(800), 5(850), 8(900), 4(1700/2100), 3(1800), 2(1900), 1(2100)	Bands 5(850), 8(900), 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
VoLTE
Yes	Yes

Phone Features

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

Availability

Officially announced
Oct 25, 2018	Feb 20, 2019

Alternative variants

with 6 GB RAM

RAM	6GB
Colors	Black

with 256 GB storage

Internal storage	256GB
Colors	Black

Forbidden City Special Edition

RAM	10GB

Links

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