Xiaomi Mi 9 vs OnePlus 7
Display
Display size
Resolution
Pixel density
Technology
AMOLED
AMOLED
Screen-to-body ratio
85.23 %
85.63 %
Peak brightness
600 cd/m2 (nit)
Features
HDR video support, Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
Camera
Rear
Triple camera
Dual camera
Main camera
Hardware Features
Sapphire crystal lens cover, Laser and Phase detection autofocus, CMOS image sensor
Optical image stabilization, Phase detection autofocus
Specifications
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.7; Sensor size: 1/2"; Pixel size: 0.8 μm
Second camera
12 megapixels
5 megapixels
Hardware Features
Telephoto, Sapphire crystal lens cover, Phase detection autofocus
Depth information
Specifications
Optical zoom: 2x; Aperture size: F2.2; Focal Length: 50 mm; Sensor size: 1/3.4"; Pixel size: 1 μm
Aperture size: F2.4; Pixel size: 1.12 μm
Third camera
16 megapixels
Hardware Features
Ultra-wide, Sapphire crystal lens cover, Phase detection autofocus
Specifications
Aperture size: F2.2; Focal Length: 17 mm; Sensor size: 1/3"; Pixel size: 1 μm
Flash
Dual LED
Dual LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
Features
Continuous autofocus, Digital image stabilization, Video calling, Video sharing
Time-lapse video, Digital image stabilization, Video calling, Video sharing
Front
20 megapixels
16 megapixels
Features
High Dynamic Range mode (HDR)
High Dynamic Range mode (HDR)
Design
Dimensions
Weight
the average is 6 oz (172 g)
the average is 6 oz (172 g)
Materials
Back: Glass (Corning Gorilla Glass 5); Frame: Metal
Back: Glass (Corning Gorilla Glass 5); Frame: Metal
Biometrics
In-screen fingerprint
2D Face unlock, In-screen fingerprint
Colors
Black, Purple, Blue
Colors
Mirror gray
Hardware & Performance
System chip
Qualcomm Snapdragon 855
Qualcomm Snapdragon 855
Processor
GPU
Adreno 640
Adreno 640
RAM
Internal storage
128 GB
256 GB, not expandable
OS
Android (9.0 Pie), Xiaomi MI UI
Android (9.0 Pie)
Battery
Capacity
3300 mAh
3700 mAh
Charging
Qualcomm Quick Charge 4+, Qi wireless charging
Fast charging
Cellular
LTE (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 29, 32
LTE (TDD)
Bands 38, 39, 40
Bands 34, 38, 39, 40, 41
UMTS
850, 900, 1700/2100, 1900, 2100 MHz
800, 850, 900, 1700/2100, 1900, 2100 MHz
GSM
850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz
CDMA
800 MHz
800, 1900 MHz
Data
Dual SIM
Yes
Yes
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
VoLTE
Yes
Connectivity
Bluetooth
5.0
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band
802.11 a, b, g, n, ac, dual-band
USB
USB 2.0
USB 3.1
Connector
USB Type-C (reversible)
USB Type-C (reversible)
Features
Mass storage device, USB OTG
Mass storage device
Location
GPS, A-GPS, Glonass, Galileo, BeiDou
GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync
NFC, VoIP, Tethering, Computer sync, OTA sync
Phone features
Sensors
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Notifications
Haptic feedback, Music ringtones, Vibration
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording
Multimedia
Screen mirroring
Wireless screen share
Wireless screen share
Speakers
Earpiece, Loudspeaker
Earpiece, Multiple speakers
Headphones connector
USB Type-C (reversible)
USB Type-C (reversible)
Additional microphone(s)
for Noise cancellation
Shopping information
In The Box
Case, 18W Charger, USB Type-C cable, Type-c to 3.5 mm adapter, SIM removal tool, Documentation
Power Adapter, Type-C Cable (Support USB 2.0), Quick Start Guide, Welcome Letter, Safety Information, Warranty Card, LOGO Sticker, Case, Screen Protector (pre-applied), SIM Tray Ejector
