OnePlus 7 vs Xiaomi Mi 9 Specs Comparison

Availability

Officially announced
May 14, 2019	Feb 20, 2019

Design

Dimensions
6.21 x 2.94 x 0.32 inches 157.7 x 74.8 x 8.2 mm	6.20 x 2.94 x 0.30 inches 157.5 x 74.67 x 7.61 mm
Weight
6.42 oz (182.0 g)	6.10 oz (173.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Metal	Back: Glass (Corning Gorilla Glass 5) Frame: Metal
Biometrics
2D Face unlock, Optical in-screen fingerprint	Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key
Colors
Mirror gray	Black, Purple, Blue

Display

Size
6.4-inch, 85.63% screen-to-body	6.4-inch, 85.23% screen-to-body
Type
AMOLED, 60Hz	AMOLED, HDR, 600 nits
Resolution
2340x1080px, 19.5:9 ratio, 402 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Protection
Corning Gorilla Glass 6	Corning Gorilla Glass 6
Features
	HDR support, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

System chip
Snapdragon 855 (7 nm)	Snapdragon 855 (7 nm)
Processor
Octa-core 2840 MHz Kryo 485	Octa-core 2840 MHz Kryo 485
GPU
Adreno 640	Adreno 640
Memory
6GB (LPDDR4)/128GB (UFS 3.0) 8GB/256GB	6GB (LPDDR4)/128GB 6GB/64GB 12GB/256GB
Storage expansion
not expandable	not expandable
OS
Android (11, 10, 9.0 Pie)	Android (9.0 Pie)

Battery

Type
3700 mAh	3300 mAh
Charging
Fast charging	Qualcomm Quick Charge 4+ Qi wireless charging
Charge speed
Wired: 20.0W

Camera

Rear
Dual camera	Triple camera
Main camera
48 MP (OIS, PDAF) Aperture size: F1.7 Sensor size: 1/2" Pixel size: 0.8 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
5 MP (Depth information) Aperture size: F2.4 Pixel size: 1.12 μm	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
Dual LED	Dual LED
Video recording
4K UHD (60 fps), 1080p (240 fps), 720p (480 fps) Time-lapse video, EIS, Video calling, Video sharing	4K UHD (60 fps), 1080p (960 fps), 720p (960 fps) Continuous autofocus, EIS, Video calling, Video sharing
Front
16 MP (HDR) Video capture: 1080p	20 MP (HDR) Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 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 3.1	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou
Other
NFC, VoIP, Tethering, Computer sync, OTA sync	NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Loudspeaker
Features
Dolby Atmos, aptX-HD	aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 29, 32	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28
4G (TDD) Bands
34, 38, 39, 40, 41	38, 39, 40
3G Bands
1, 2, 4, 5, 6, 8	5, 8, 4, 2, 1
Data Speed
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	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

with 256 GB storage

Memory	8GB/256GB

with 64 GB storage

Memory	64GB

Explorer Edition

Memory	12GB/256GB

Links

Full specifications
OnePlus 7 Specs	Xiaomi Mi 9 Specs
PhoneArena Review
	Xiaomi Mi 9 Review
User Reviews
OnePlus 7 User Reviews