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Xiaomi Mi 9 vs OnePlus 7 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
8.7
Xiaomi Mi 9
OnePlus 7
Xiaomi Mi 9 OnePlus 7
Released · Mar 06, 2019
Released · May 21, 2019
6.4-inch
6.4-inch
Triple camera
Dual camera
6GB · 128GB
6GB · 128GB
3300 mAh
3700 mAh

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 (173.0 g) 6.42 oz (182.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Metal 		Back: Glass (Corning Gorilla Glass 5)
Frame: Metal
Biometrics
Optical in-screen fingerprint 2D Face unlock, Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key
Colors
Black, Purple, Blue Mirror gray

Display

Size
6.4-inch 6.4-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 2340x1080px, 19.5:9 ratio, 402 PPI
Technology
AMOLED AMOLED
Refresh rate
60Hz
Screen-to-body
85.23 % 85.63 %
Peak brightness
600 cd/m2 (nit)
Features
HDR 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

Hardware

System chip
Qualcomm Snapdragon 855 (7 nm) Qualcomm Snapdragon 855 (7 nm)
Processor
Octa-core
2840 MHz
Kryo 485 		Octa-core
2840 MHz
Kryo 485
GPU
Adreno 640 Adreno 640
RAM
6GB (LPDDR4) 6GB (LPDDR4)
Internal storage
128GB 128GB (UFS 3.0)
Storage expansion
not expandable not expandable
OS
Android (9.0 Pie), Xiaomi MI UI Android (11, 10, 9.0 Pie), OxygenOS UI

Battery

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

Camera

Rear
Triple camera Dual camera
Main camera
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 		48 MP (OIS, PDAF)
Aperture size: F1.7
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 		5 MP (Depth information)
Aperture size: F2.4
Pixel size: 1.12 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
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps)
Continuous autofocus, EIS, Video calling, Video sharing 		3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
Time-lapse video, EIS, Video calling, Video sharing
Front
20 MP (HDR), Video capture: 1920x1080 (Full HD) 16 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
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
Type-C, USB 2.0 Type-C, USB 3.1
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

Multimedia

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

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 29(700 d), 32(1500 L-band)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300) Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900)
Data Speed
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

Phone Features

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

Buyers 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

Availability

Officially announced
Feb 20, 2019 May 14, 2019

Alternative variants

with 64 GB storage
Internal storage 64GB
with 256 GB storage
RAM 8GB
Internal storage 256GB
Explorer Edition
RAM 12GB
Internal storage 256GB
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