Xiaomi Mi Mix 3 vs Xiaomi Mi Mix 4 Specs Comparison

Design

Dimensions
6.22 x 2.94 x 0.33 inches 157.89 x 74.69 x 8.46 mm	6.40 x 2.97 x 0.31 inches 162.6 x 75.4 x 8 mm
Weight
7.69 oz (218.0 g)	7.94 oz (225.0 g)
Materials
Back: Ceramic Frame: Aluminum	Back: Ceramic Frame: Aluminum
Resistance
	Splash, Dust; IP53
Biometrics
2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Features
Notification light
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Green, Blue	Ceramic Black, Ceramic White, Shadow Gray

Display

Size
6.4-inch	6.7-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	2400x1080px, 20:9 ratio, 395 PPI
Technology
Super AMOLED	AMOLED
Refresh rate
	120Hz
Screen-to-body
84.96 %	87.59 %
Peak brightness
600 cd/m2 (nit)
Features
HDR support, Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm)	Qualcomm Snapdragon 888+ SM8350-AC (5 nm)
Processor
Octa-core 2800 MHz Kryo 385	Octa-core Kryo 680 Prime
GPU
Adreno 630	Adreno 660
RAM
8GB (LPDDR4)	8GB (LPDDR5)
Internal storage
256GB	128GB (UFS 3.1)
Storage expansion
not expandable	not expandable
OS
Android (9.0 Pie)	Android (11), MIUI 12.5 UI

Battery

Capacity
3200 mAh	4500 mAh
Type
Li - Polymer	Li - Ion
Charging
Qualcomm Quick Charge 4+, Qi wireless charging	Fast charging, Qi wireless charging, Reverse wireless charging
Charge speed
	Wired: 120.0W Wireless: 50.0W

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	108 MP (OIS, Laser and PDAF) Aperture size: F1.9 Focal length: 24 mm Sensor size: 1/1.33" 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) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/3.06" Pixel size: 1.12 μm
Third camera
	8 MP (Periscope, OIS, PDAF) Optical zoom: 5.0x
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	7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (480 fps), 1280x720 (HD) (480 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking
Front
24 MP (Dual-Camera, Flash, HDR)	20 MP (Under-screen), Video capture: 1920x1080 (Full HD)

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) 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, QZSS, NavIC, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other
NFC, VoIP, Tethering, Computer sync, OTA sync	NFC

Multimedia

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

Cellular

5G
	Bands n1, n3, n5, n8, n28, n41, n77, n78, n79, SA, NSA, Sub-6
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), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT)
4G (TDD)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
3G
Bands 6(800), 5(850), 8(900), 4(1700/2100), 3(1800), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)
Data Speed
LTE-A, HSPA, HSUPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
Yes	Yes
VoLTE
Yes	Yes

Buyers information

In The Box
	Power adapter, USB Type-C data cable, Type-C to 3.5mm headphone cable, Mobile phone protective shell, Film (covered on the screen), Pins, Instructions (including three packs of certificates)

Availability

Officially announced
Oct 25, 2018	Aug 10, 2021

Alternative variants

with 6 GB RAM

RAM	6GB
Colors	Black

With 256GB internal storage

Internal storage	256GB

with 256 GB storage

Internal storage	256GB
Colors	Black

With 12GB RAM and 256GB internal storage

RAM	12GB
Internal storage	256GB

Forbidden City Special Edition

RAM	10GB

With 12GB RAM and 512GB internal storage

RAM	12GB
Internal storage	512GB

Links

Full specifications
Xiaomi Mi Mix 3 Specs	Xiaomi Mi Mix 4 Specs
PhoneArena Review
Xiaomi Mi Mix 3 Review