Width: 87.4mm

Height: 176.15mm

Thickness: 7.99mm

Weight: 221g

Processor and Memory

Octa-core Snapdragon™ 636 processor

4GB RAM largest available

Octa-core Snapdragon™ 636 processor,
up to 1.8GHz

Adreno™ 509 Visual Processing


Dual channel LPDDR4x, eMMC 5.1

*A variety of factors affect the actual available storage capacity. Since some RAM is used by the operating system, actual usable capacity will be less than the capacity marked. Since operating installation and preinstalled applications occupy a portion of the storage memory, the actual available storage capacity will be smaller than marked.


5500mAh (typ) ultra-high capacity battery

5500mAh (typ) / 5400mAh (min)*

Quick charge 3.0 + Parallel charging

9V2A charger, 18W quick charging


6.9” immersive Full Screen Display

6.9” (diagonal)

520nit (typ) brightness

2160×1080 FHD+, 1500:1 contrast ratio

84% NTSC color gamut

Sunlight display

Night display

Reading mode

Color temperature adjustment


Rear camera
AI dual camera with large 1.4μm pixels

12MP+5MP flagship-level dual camera

1.4μm large pixels in the primary camera for clearer photos in low light

Dual Pixel Autofocus

f/1.9 aperture

AI Portrait mode

AI scene detection

Single-tone dual LED flash

Low-light enhancement technology

HDR adjustments


Burst mode

Face recognition

Front Camera
Soft-toned selfie camera

8MP front camera

1.12μm pixels

f/2.0 aperture

Front-facing soft-toned

AI Portrait mode

AI Beautify

Face unlock


4k / 1080p / 720p

30 fps recording

720p / 1080p

30 fps stabilization

720p 120 fps

Slow-motion video at 120 fps, 720p

Global Bands

Supports dual SIM cards and simultaneous 4G use①

Supports Nano-SIM + Nano-SIM or Nano-SIM + microSD card. Either card can be set as the primary SIM card.

Supports up to 256GB expandable storage (Vfat format).

Supports 4G+/4G/3G/2G

Supports dual card VoLTE HD calling②

Note ①: Dual 4G SIM requires the support of local telecom operator services, and may not be available in all regions.

Note ②: Only certain regions and telecom operators support VoLTE.

System updates may be applied when network optimization occurs. For details, please refer to the system version in use on the device.

Supported frequency bands

GSM : B2, B3, B5, B8

WCDMA : B1, B2, B5, B8

TDD-LTE : B34, B38, B39, B40, B41(120M 2535M~2655M)

FDD-LTE : B1, B3, B4, B5, B7, B8, B20

Wireless network

Supported protocols: 802.11a/b/g/n/ac

Supports 2.4G WiFi / 5G WiFi / WiFi direct

Supports Bluetooth 5.0

Fingerprint sensor and buttons

SIM card slot
Fingerprint sensor
3.5mm headphone jack
USB Type-C

Navigation and positioning




· BeiDou


· Proximity sensor

· Ambient light sensor

· Gyroscope

· Vibration motor

· Accelerometer

· Hall sensor

· Electronic compass

· IR blaster


· MP4


· M4V

· MP3






Supported video formts: H.264 (Baseline/Main/High profile), MPEG4 (Simple profile/ASP), and VC-1 (Simple/Main/Advanced profile).
Supported audio formats: PCM, AAC/AAC+/eAAC+, MP3, AMR–NB and WB, FLAC and WAV.

Package contents

Mi Max 3 / Adapter / USB Type-C cable / SIM insertion tool / User guide


*The term "Full Screen Display" indicates that the phone has a high screen to body ratio; Screen to body ratio may vary based on the method of measurement used. Actual data may vary, all data is provided by Xiaomi laboratories.
*AI scene detection may not be available out-of-the-box in phones sold immediately after release. Support will be added in a future OTA update. Feature updates may have varying rates of progress; Please refer to the official MIUI website (www.miui.com) for future releases.
* Actual free memory and capacity may vary due to various factors. As the operating system occupies a portion of the RAM, actual available memory is less than stated; As the phone comes with pre-installed applications, the actual usable storage size is smaller than stated.
* All comparisons made on this page to typical phones refer to typical Xiaomi phones; Unless otherwise indicated on the Mi Max 3 product page, all data come from by Xiaomi Laboratories, product design specifications and supplier data. The testing data may vary slightly between different test versions and testing environments. All figures shown on the product page are for reference only and may not reflect the actual product.
*Rules concerning abnormal orders: In order to protect the rights of individual consumers, Xiaomi has established the following rules. Please read them carefully before purchasing this product. Keeping in compliance with laws and regulations, under any of the following circumstances, Xiaomi reserves the right to confirm that an order was placed abnormally, whereupon it may cancel the order before distribution has been completed and return payment to the buyer's account: 1. A single user makes multiple purchases of the same product using multiple member accounts; 2. A large amount of the same product is purchased by buyers with a similar postal address, receiver name, bank account, or IP address; 3. An individual or group of individuals complete orders using multiple accounts but do not complete payment or select the delay shipping option; 4. A single user repeatedly refuses to accept delivery without reasonable cause; 5. Other scenarios that are determinable as abnormal. These rules are effective as of 00:00 on April 3, 2018.