OnePlus 3 vs Xiaomi Mi 9 Specs Comparison

Availability

Officially announced
Jun 14, 2016	Feb 20, 2019
Prices (MSRP)
$399

Design

Dimensions
6.01 x 2.94 x 0.29 inches 152.7 x 74.7 x 7.35 mm	6.20 x 2.94 x 0.30 inches 157.5 x 74.67 x 7.61 mm
Weight
5.57 oz / 158.0 g	6.10 oz / 173.0 g
Materials
Back: Aluminum	Back: Glass (Corning Gorilla Glass 5) Frame: Metal
Biometrics
Fingerprint (touch)	Optical in-screen fingerprint
Features
Notification light
Colors
Gold, Gray	Black, Purple, Blue

Display

Size
5.5-inch, 73.15% screen-to-body	6.4-inch, 85.23% screen-to-body
Type
Super AMOLED	AMOLED, HDR, 600 nits
Resolution
1920x1080px, 401 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Protection
Corning Gorilla Glass 4	Corning Gorilla Glass 6
Features
	HDR support, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
1 (Excellent)	2 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 820 MSM8996	Snapdragon 855 (7 nm)
Processor
Quad-core Kryo	Octa-core 2840 MHz Kryo 485
GPU
Adreno 530	Adreno 640
Memory
6GB (LPDDR4)/64GB	6GB (LPDDR4)/128GB 6GB/64GB 12GB/256GB
Storage expansion
	not expandable
OS
Android (6.0 Marshmallow)	Android (9.0 Pie)

Battery

Type
3000 mAh	3300 mAh
Charging
OnePlus Dash Charge	Qualcomm Quick Charge 4+ Qi wireless charging

Camera

Rear
Single camera	Triple camera
Main camera
16 MP (OIS, PDAF) Aperture size: F2.0 Pixel size: 1.12 μm	48 MP (Sapphire crystal lens cover, Laser and PDAF, CMOS image sensor) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	12 MP (Telephoto, Sapphire crystal lens cover, PDAF) Optical zoom: 2.0x Aperture size: F2.2 Focal Length: 50 mm Sensor size: 1/3.4" Pixel size: 1 μm
Third camera
	16 MP (Ultra-wide, Sapphire crystal lens cover, PDAF) Aperture size: F2.2 Focal Length: 17 mm Sensor size: 1/3" Pixel size: 1 μm
Flash
LED	Dual LED
Video recording
4K UHD (30 fps), 1080p (60 fps), 720p (120 fps) Video calling	4K UHD (60 fps), 1080p (960 fps), 720p (960 fps) Continuous autofocus, EIS, Video calling, Video sharing
Front
8 MP Video capture: 1080p	20 MP (HDR) Video capture: 1080p

Connectivity & Features

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

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	aptX-HD
Screen mirroring
	Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
30	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28
4G (TDD) Bands
	38, 39, 40
3G Bands
1, 2, 4, 5, 8	5, 8, 4, 2, 1
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA	LTE-A, HSPA, HSUPA
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Phone Features

Notifications
	Haptic feedback, Music ringtones, Vibration
Other features
	Voice dialing, Voice commands, Voice recording

Alternative variants

4G (FDD) Bands	1, 3, 5, 7, 8, 20
4G (TDD) Bands	38, 40
3G Bands	5, 8, 2, 1

with 64 GB storage

Memory	64GB

Explorer Edition

Memory	12GB/256GB

Links

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