Xiaomi Mi 9 vs OnePlus 7
Display
Size
Resolution
Technology
AMOLED
AMOLED
Screen-to-body
85.23 %
85.63 %
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
Hardware & Performance
System chip
Qualcomm Snapdragon 855
Qualcomm Snapdragon 855
Processor
GPU
Adreno 640
Adreno 640
RAM
Internal storage
128GB, not expandable
128GB, not expandable
OS
Android (9.0 Pie), Xiaomi MI UI
Android (10, 9.0 Pie), OxygenOS UI
Battery
Capacity
3300 mAh
3700 mAh
Type
Not user replaceable
Not user replaceable
Charging
Qualcomm Quick Charge 4+, Qi wireless charging
Fast charging
Camera
Rear
Triple camera
Dual camera
Main camera
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 MP (Telephoto, Sapphire crystal lens cover, PDAF)
5 MP (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 MP (Ultra-wide, Sapphire crystal lens cover, PDAF)
Specifications
Aperture size: F2.2; Focal Length: 17 mm; Sensor size: 1/3"; Pixel size: 1 μm
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, EIS, Video calling, Video sharing
Time-lapse video, EIS, Video calling, Video sharing
Front
20 MP (HDR)
16 MP (HDR)
Design
Dimensions
Weight
the average is 6.4 oz (183 g)
the average is 6.4 oz (183 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
Mirror gray
Cellular
LTE (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT)
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), 26(850+), 28(700 APT), 29(700 d), 32(1500 L-band)
LTE (TDD)
Bands 38(2600), 39(1900+), 40(2300)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)
UMTS
850, 900, 1700/2100, 1900, 2100 MHz
800, 850, 900, 1700/2100, 1900, 2100 MHz
Data Speed
Dual SIM
Yes
Yes
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
VoLTE
Yes
Multimedia
Headphones
No 3.5mm jack
No 3.5mm jack
Features
aptX-HD
Dolby Atmos, aptX-HD
Connectivity & Features
Bluetooth
5.0
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.1
Features
Mass storage device, OTG, Charging, Headphones port
Mass storage device, Charging, Headphones port
Sensors
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync
NFC, VoIP, Tethering, Computer sync, OTA sync
Phone features
Notifications
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording
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
