Xiaomi Mi 9 vs OnePlus 7T

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Display

Display size

6.4 inches
6.5 inches

Resolution

1080 x 2340 pixels
1080 x 2400 pixels

Pixel density

403 ppi
402 ppi

Technology

AMOLED
Super AMOLED

Screen-to-body ratio

85.23 %
86.43 %

Features

HDR video support, Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
90 Hz Refresh rate, HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Camera

Rear

Triple camera
Triple 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: F1.6; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera

12 megapixels
12 megapixels

Hardware Features

Telephoto, Sapphire crystal lens cover, Phase detection autofocus
Telephoto, Phase detection autofocus

Specifications

Optical zoom: 2x; Aperture size: F2.2; Focal Length: 50 mm; Sensor size: 1/3.4"; Pixel size: 1 μm
Optical zoom: 2x; Aperture size: F2.2; Focal Length: 51 mm; Pixel size: 1 μm

Third camera

16 megapixels
16 megapixels

Hardware Features

Ultra-wide, Sapphire crystal lens cover, Phase detection autofocus
Ultra-wide, Autofocus

Specifications

Aperture size: F2.2; Focal Length: 17 mm; Sensor size: 1/3"; Pixel size: 1 μm
Aperture size: F2.2; Focal Length: 17 mm

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) (960 fps)

Features

Continuous autofocus, Digital image stabilization, Video calling, Video sharing
High Dynamic Range mode (HDR), Time-lapse video, Digital image stabilization

Front

20 megapixels
16 megapixels

Features

High Dynamic Range mode (HDR)
Digital image stabilization (EIS), 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)
6.34 x 2.93 x 0.32 inches (160.94 x 74.44 x 8.13 mm)

Weight

6.10 oz (173 g)
the average is 6.1 oz (174 g)
6.70 oz (190 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: Aluminum

Biometrics

In-screen fingerprint
2D Face unlock, In-screen fingerprint

Colors

Black, Purple, Blue
 

Colors

 
Glacier blue, Frosted silver

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+ SM8150-AC

Processor

Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
Octa-core, 2960 MHz, Kryo 485, 64-bit, 7 nm

GPU

Adreno 640
Adreno 640

RAM

6 GB
8 GB

Internal storage

128 GB, not expandable
128 GB, not expandable

OS

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

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, Hall (for flip covers)

Other

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

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, 25, 26, 28, 29, 30, 66, 71

LTE (TDD)

Bands 38, 39, 40
Bands 34, 38, 39, 41, 46, 48

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
800, 850, 900, 1700/2100, 1800, 1900, 2100 MHz

Data

LTE-A, HSPA, HSUPA
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM

Yes
Yes

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
 

VoLTE

Yes
 

Battery

Capacity

3300 mAh
3800 mAh

Type

Not user replaceable
Not user replaceable

Charging

Qualcomm Quick Charge 4+, Qi wireless charging
OnePlus Warp Charge

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
Warp Charge 30 power adapter, Warp Type-C cable, Quick Start guide, Welcome letter, Safety information and Warranty card, LOGO sticker, Case, Screen protector (pre-applied), SIM Tray ejector

MSRP price

 
$ 599
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