Reserves open for the new Samsung phones!
Discussions are now open! Start your own threads and share your thoughts with the community.
Discussions are now open! Start your own threads and share your thoughts with the community.

OnePlus 9 vs Xiaomi Mi 11i 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
9.0
OnePlus 9
7.9
Xiaomi Mi 11i
OnePlus 9 Xiaomi Mi 11i
Released · Apr 02, 2021
Released · May 31, 2021
6.5-inch
6.7-inch
Triple camera
Triple camera
8GB · 128GB
8GB · 128GB
4500 mAh
4520 mAh
Check prices Check prices

Design

Dimensions
6.30 x 2.92 x 0.34 inches
160 x 74.2 x 8.7 mm 		6.44 x 3.01 x 0.31 inches
163.7 x 76.4 x 7.8 mm
Weight
6.77 oz (192.0 g) 6.91 oz (196.0 g)
Materials
Back: Glass (Corning Gorilla Glass)
Frame: Aluminum 		Back: Glass (Corning Gorilla Glass 5)
Biometrics
2D Face unlock, Optical in-screen fingerprint 2D Face unlock, Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key, Other Right: Volume control, Lock/Unlock key
Colors
Winter Mist, Arctic Sky, Astral Black Cosmic Black, Frosty White, Celestial Silver

Display

Size
6.5-inch 6.7-inch
Resolution
2400x1080px, 20:9 ratio, 402 PPI 2400x1080px, 20:9 ratio, 395 PPI
Technology
AMOLED AMOLED
Refresh rate
120Hz 120Hz
Screen-to-body
87.27 % 85.89 %
Peak brightness
1300 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 (5 nm) Qualcomm Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core
2840 MHz
Kryo 680 		Octa-core
Kryo 680
GPU
Adreno 660 Adreno 660
RAM
8GB (LPDDR5) 8GB (LPDDR5)
Internal storage
128GB (UFS 3.1) 128GB (UFS 3.1)
Storage expansion
not expandable
OS
Android (11), OxygenOS UI Android (11), MIUI 12 UI

Battery

Capacity
4500 mAh 4520 mAh
Charging
OnePlus Warp Charge, Qi wireless charging Fast charging
Charge speed
Wired: 65.0W
Wireless: 15.0W 		Wired: 33.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 50min
Browsing
11h 29min
Video
9h 16min
Gaming
9h 6min
Battery Life Estimate
5h 44min
Browsing
10h 38min
Video
9h 23min
Gaming
9h 14min
Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera Triple camera
Main camera
48 MP (PDAF)
Aperture size: F1.8
Focal length: 23 mm
Sensor size: 1/1.4"
Pixel size: 1.12 μm 		108 MP (Autofocus)
Aperture size: F1.8
Sensor size: 1/1.52”
Pixel size: 0.7 μm
Second camera
50 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 14 mm
Sensor size: 1/1.56" 		8 MP (Ultra-wide)
Aperture size: F2.2
Third camera
2 MP (Black and White) 5 MP (Telephoto, Macro)
Aperture size: F2.4
Flash
Dual LED LED
Video recording
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
HDR, Continuous autofocus, EIS 		7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (30 fps)
HDR, Time-lapse video
Front
16 MP (EIS) 20 MP (HDR)

Connectivity & Features

Bluetooth
5.2 5.2
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band
MIMO, Wi-Fi Direct, Hotspot 		802.11 a,b,g,n,ac,ax(Wi-Fi 6)
MIMO, Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1 Type-C
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass Accelerometer, Gyroscope, Altimeter, Compass, Barometer
Other
NFC NFC, Infrared

Multimedia

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

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78 Bands n1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78
4G (FDD)
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), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600) 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), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900), 9(1700), 19(800) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800)
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Mar 24, 2021
FCC ID value: 2ABZ2-EF136 		Date approved: Mar 30, 2021
FCC ID value: 2AFZZK11G
Measured SAR
Head: 1.20 W/kg
Body: 0.78 W/kg
Simultaneous Transmission: 1.48 W/kg
Wireless Router: 1.18 W/kg 		Head: 0.95 W/kg
Body: 0.74 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 0.93 W/kg

Buyers information

MSRP
$ 729 € 649
In The Box
Warp Charge 65 Power Adapter, Warp Charge Type-C to Type-C Cable, Quick Start Guide, Welcome Letter, Safety Information and Warranty Card, OnePlus Sticker, SIM Tray Ejector 33W Power Adapter, USB Type-C Cable, Type-C to 3.5 mm Headphone Adapter, SIM Eject Tool, Protective Case, User Guide, Warranty Card

Availability

Officially announced
Mar 23, 2021 Mar 29, 2021

Alternative variants

With 12GB RAM and 256GB storage
RAM 12GB
Internal storage 256GB
MSRP $ 829
with 256GB storage
Internal storage 256GB
MSRP € 699
FCC OKs Cingular\'s purchase of AT&T Wireless