Xiaomi Mi 9 vs OnePlus 7

$293.98 VIEW ON AMAZON
$444.50 VIEW ON AMAZON

Display

Display size

6.4 inches
6.4 inches

Resolution

1080 x 2340 pixels
1080 x 2340 pixels

Pixel density

403 ppi
402 ppi

Technology

AMOLED
AMOLED

Screen-to-body ratio

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

Camera

Rear

Triple camera
Dual camera

Main camera

48 megapixels
48 megapixels

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
 

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

6.20 x 2.94 x 0.30 inches (157.5 x 74.67 x 7.61 mm)
6.21 x 2.94 x 0.32 inches (157.7 x 74.8 x 8.2 mm)

Weight

6.10 oz (173 g)
the average is 6.1 oz (174 g)
6.42 oz (182 g)
the average is 6.1 oz (174 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

Multimedia

Headphones

USB Type-C (reversible)
USB Type-C (reversible)

Speakers

Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features

aptX-HD
Dolby Atmos, aptX-HD

Screen mirroring

Wireless screen share
Wireless screen share

Additional microphone(s)

 
for Noise cancellation

Hardware & Performance

System chip

Qualcomm Snapdragon 855
Qualcomm Snapdragon 855

Processor

Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm

GPU

Adreno 640
Adreno 640

RAM

6 GB
6 GB

Internal storage

128 GB, not expandable
128 GB, not expandable

OS

Android (9.0 Pie), Xiaomi MI UI
Android (10, 9.0 Pie), OxygenOS UI

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

USB Type-C (reversible), USB 2.0
USB Type-C (reversible), USB 3.1

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

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other

NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync
NFC, VoIP, Tethering, Computer sync, OTA sync

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

Data

LTE-A, HSPA, HSUPA
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

Yes
Yes

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
 

VoLTE

Yes
 

Battery

Capacity

3300 mAh
3700 mAh

Type

Not user replaceable
Not user replaceable

Charging

Qualcomm Quick Charge 4+, Qi wireless charging
Fast charging

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
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.