Processor
Qualcomm® Snapdragon™ 855 flagship processor
CPU name: Snapdragon™ 855, Qualcomm's flagship processor of the year CPU architecture: All new Kyro 485 architecture with 7nm process CPU frequency: Octa-core processor, up to 2.84 GHz Qualcomm's first trifecta design: 1 x 2.84GHz super large core + 2.42 large core + 4 x 1 1.80 small core Improved CPU performance: 45% improvement Improved efficacy: 40% GPU name: Adreno™ 640 Improved GPU performance: 20% Improved efficacy: 25%+ The first smartphone GPU to support Vulkan 1.1 graphical driver and movie-level post processing Increased bandwidth compression, shadow processing and true HDR rendering and display AIE edition performance: 7th generation AIE processor with 3 times more powerful AI
Operating system
MIUI 10
Supports MI Turbo
Our first phone to support defragmentation I/O optimization | Supports app launch speed optimization Reduced slowness by 35% after 18 months of simulated useSupports GAME Turbo
Support custom game parameters | Supports custom game display improvement | 4D Touch for shooter games Supports CPU/GPU occupation and FPS display | Game tools support one-touch switch network card Supports improved game performance and optimized touch response | Supports custom border restrictions | Supports auto-brightness disabling, three-finger screenshot and Eye-protection modeDynamic wallpaper and display
All new multi-color Always-On Display* | Supports dynamic wallpaper auto-change according to local time Now supporting Dark modeMemory
6GB+128GB Largest available for Mi 9
RAM: 6GB LPDDR4x 2133MHz dual-channel ROM: 64GB/128GB UFS2.1 flash storage*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 storage size is smaller than stated.
Display
6.39" Samsung AMOLED Full Screen Display*
Resolution: 2340 x 1080 FHD+ 403 PPI Brightness: 600nit (HBM) / 430nit (typ) High contrast: 60000:1 (min) | Color Gamut: NTSC 103.8% (typ) Standard mode | Sunshine mode 2.0 | Night mode | Color temperature adjustment | 256 ranks adjustable Reading mode Corning® Gorilla® Glass 6 Anti-oil and anti-fingerprint protective coating Supports HDR display*Xiaomi phones feature a curved design with gracefully rounded corners. When measuring the rectangle formed from the farthest ends of each corner, the screen has a diagonal length of 6.39 inches (actual display area may be slightly smaller). The term "Full Screen Display" indicates that the phone has a high screen to body ratio in comparison to traditional Xiaomi phones. The screen-to-body ratio of 90.7% was obtained by Xiaomi laboratory data. Methods of measurement may vary within the industry and results may vary.
Rear Camera
Sony 48MP ultra wide-angle AI triple camera Top level DxO photo score
48MP primary camera with Sony IMX586 0.8μm ƒ/1.75 aperture Supports HD video 12MP telephoto camera with 1.0μm ƒ/2.2 aperture Supports macro photography 16MP Utra wide-angle lens with 1.0μm ƒ/2.2 aperture Supports wide-angle photography Zoom: Triple camera zoom with 2x optical zoom and 10x digital zoom Focus: laser focus | Phase detection focus | Contrast detection focus Photo resolution: up to 8000x6000 pixels* Video resolution: up to 3840x2160 pixels*Rear camera photography features
48MP HD | Smart ultra-wide angle mode | Ultra nightscape mode | Portrait mode background blurring | Panorama mode | Pro mode | Photo timer | Level display | Burst mode | Face recognition | HDR | Single-tone dual flash | Dynamic photos | AI Beautify | Ultra wide-angle edge distortion correction | Group photo face correction | Custom watermark | Full body portrait mode | Portrait mode background blur adjustment | Rear camera AI scene detection (30 recognizable tags) | AI lens flare | AI Studio lighting | AI high resolution photos | Moon mode*Rear camera video features
960 fps slow motion video | 960 fps Smart audio pairing | Short videos (speed adjustment, beauty filters and popular music) | Rear camera video Beautify | Video stabilizing | Quick motion | Motion tracking*| 4K recording | 60fps / 30fps |
| 1080p recording | 60fps / 30fps |
| 720p recording | 30fps |
| 1080p slow motion recording | 120fps / 240fps / 960fps |
| 720p slow motion recording | 120fps / 240fps / 960fps |
*Third best DxO photo score in the world" refers to DxOMark smartphone photo scores. For more information, see: https://www.dxomark.com; Phones sold in initial batches may not include motion tracking, or Moonlight mode, which will be added later via OTA update. Updates may have varying rates of progress; Please refer to the official MIUI website (en.miui.com) for future releases.
Front camera
20MP Front Camera 20MP front camera with 0.9μm ƒ/2.0 aperture
Front camera photography features
Front camera HDR | Front camera display brightness correction | Selfie timer | Face recognition | Magic mirror | Age recognition Eye light | AI Beautify | AI feature adjustment | AI makeup | AI portrait mode | AI scene detection | AI studio lighting | AI lens flareFront camera video features
Short videos (speed adjustment, beauty filters and popular music) | Front camera video Beautify| 1080p recording | 30fps |
| 720p recording | 30fps |
Fingerprint unlock
Charging and battery
3300mAh (typ) / 3200mAh (min)
Built-in rechargeable battery USB Type-C reversible connector port TÜV Rhineland Certified Safe Fast-Charge System The world's first 20W wireless charging WPC wireless charging standard Qi mid-range power EPP certified Supports 27W wired fast charging Supports QC4.0 quick charging protocol Includes 18W wire charger*The phone supports QC4+ charging protocols. A 18W QC3.0 charger is included with the phone.
Network & Connectivity
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.
