Updated : Jun 19, 2025, 12:38 AM

Xiaomi Mi Mix 4

Full Specifications

Released · Aug 16, 2021

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Design
Dimensions	6.40 x 2.97 x 0.31 inches 162.6 x 75.4 x 8 mm
Weight	7.94 oz (225.0 g)
Materials	Back: Ceramic Frame: Aluminum
Resistance	Splash, Dust; IP53
Biometrics	Optical in-screen fingerprint
Keys	Right: Volume control, Lock/Unlock key
Colors	Ceramic Black, Ceramic White, Shadow Gray

Display
Size	6.7-inch
Resolution	2400x1080px, 20:9 ratio, 395 PPI
Technology	AMOLED
Refresh rate	120Hz
Screen-to-body	87.59 %
Features	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware
System chip	Qualcomm Snapdragon 888+ SM8350-AC (5 nm)
Processor	Octa-core Kryo 680 Prime
GPU	Adreno 660
Memory	8GB (LPDDR5)/128GB (UFS 3.1)
Storage expansion	not expandable
OS	Android (11)
This device has different variants: View all

Battery
Type	4500 mAh, Li - Ion
Charging	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed	Wired: 120.0W Wireless: 50.0W

Camera
Rear	Triple camera
Main camera	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	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
Video recording	8K UHD (24 fps), 4K UHD (60 fps), 1080p (480 fps), 720p (480 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking
Front	20 MP (Under-screen) Video capture: 1080p

Connectivity & Features
Bluetooth	5.2
WLAN	802.11 a,b,g,n,ac,ax(Wi-Fi 6) MIMO, Wi-Fi Direct, Hotspot
USB	Type-C, USB 2.0
Location	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Sensors	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other	NFC

Multimedia
Headphones	No 3.5mm jack
Speakers	Earpiece, Multiple speakers

Cellular
5G	Bands n1, n3, n5, n8, n28, n41, n77, n78, n79, SA, NSA, Sub-6
4G (FDD)	Bands 1, 2, 3, 4, 5, 8, 12, 17, 18, 19, 20, 26, 28
4G (TDD)	Bands 34, 38, 39, 40, 41, 42
3G	Bands 1, 2, 4, 5, 6, 8, 19
Data Speed	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM	Yes
SIM type	Nano SIM
HD Voice	Yes
VoLTE	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	Aug 10, 2021

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Alternative variants

With 256GB internal storage

Differences from the main variant:
Memory	256GB

With 12GB RAM and 256GB internal storage

Differences from the main variant:
Memory	12GB/256GB

With 12GB RAM and 512GB internal storage

Differences from the main variant:
Memory	12GB/512GB

News

The all-screen, bezel-less smartphone dream… It’s been in the talks for years. The first signs of this concept came about seven years ago, back in 2014, from an unlikely source. The Sharp Aquos Crystal arrived at a time when smartphones ...

It's happening! Under-display camera phones are finally here, but not all are created equal

The Chinese government has asked Xiaomi to remove Mi Mix 4's antitheft feature, South China Morning Post reports.The Mi Mix 4 was revealed on August 10 and its headlining feature is a 20MP under-display front camera that the company has dubbed CUP (C...