OnePlus 3T vs Xiaomi Mi 9T Specs Comparison

Design

Dimensions
6.01 x 2.94 x 0.29 inches 152.7 x 74.7 x 7.35 mm	6.17 x 2.93 x 0.35 inches 156.7 x 74.3 x 8.8 mm
Weight
5.57 oz (158.0 g)	6.74 oz (191.0 g)
Materials
Back: Aluminum	Back: Metal Frame: Metal
Biometrics
Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Keys
Left: Volume control, Other; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Gray	Carbon Black, Flame Red, Glacier Blue

Display

Size
5.5-inch	6.4-inch
Resolution
1920x1080px, 401 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Technology
Super AMOLED	AMOLED
Refresh rate
	60Hz
Screen-to-body
73.15 %	85.94 %
Peak brightness
	430 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 821 MSM8996 Pro	Qualcomm Snapdragon 730 SM7150-AA (8 nm)
Processor
Quad-core 2350 MHz Kryo	Octa-core Kryo 470
GPU
Adreno 530	Adreno 618
RAM
6GB (LPDDR4)	6GB (LPDDR4)
Internal storage
128GB	128GB
Storage expansion
	not expandable
OS
Android (9.0 Pie, 7.1 Nougat, 7.0 Nougat, 6.0 Marshmallow), OnePlus OxygenOS UI	Android (10, 9.0 Pie)

Battery

Capacity
3400 mAh	4000 mAh
Type
Li - Ion
Charging
OnePlus Dash Charge	Fast charging
Charge speed
	Wired: 18.0W

Camera

Rear
Single camera	Triple camera
Main camera
16 MP (Sapphire crystal lens cover, OIS, PDAF) Aperture size: F2.0 Pixel size: 1.12 μm	48 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	13 MP (Ultra-wide) Aperture size: F2.4 Focal Length: 12 mm Sensor size: 1/3.1" Pixel size: 1.12 μm
Third camera
	8 MP (Telephoto) Optical zoom: 2.0x Aperture size: F2.4 Focal Length: 53 mm Sensor size: 1/4" Pixel size: 1.12 μm
Flash
LED	Dual LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (120 fps) OIS, EIS, Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps) Video calling, Video sharing
Front
16 MP, Video capture: 1920x1080 (Full HD)	20 MP (Pop-up, HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
NFC, Tethering, Computer sync, OTA sync	NFC, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Album art cover, Background playback
Radio
	FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)
Bands 38(2600), 40(2300)	Bands 38(2600), 40(2300)
3G
Bands 5(850), 8(900), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, 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

Buyers information

MSRP
$ 479
In The Box
	Power adapter, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card

Availability

Officially announced
Nov 15, 2016	Jun 12, 2019

Alternative variants

Internal storage	64GB
MSRP	$ 439

with 64 GB storage

Internal storage	64GB

4G (FDD)	Bands 1(2100), 2(1900), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 30(2300 WCS)
3G	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Links

Full specifications
OnePlus 3T Specs	Xiaomi Mi 9T Specs
PhoneArena Review
OnePlus 3T Review
User Reviews
OnePlus 3T User Reviews