OnePlus 9 vs Xiaomi Mi 11i vs OnePlus 9 Pro

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Display

Size:

6.5 inches
6.7 inches
6.7 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 402 PPI
2400 x 1080 pixels, 20:9 ratio, 395 PPI
3216 x 1440 pixels, 20.1:9 ratio, 526 PPI

Technology:

AMOLED
AMOLED
AMOLED

Screen-to-body:

87.27 %
85.89 %
89.79 %

Peak brightness:

1300 cd/m2 (nit)

Features:

120Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor
120Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
120Hz refresh rate, HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 888
Qualcomm Snapdragon 888 SM8350
Qualcomm Snapdragon 888

Processor:

Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 660
Adreno 660
Adreno 660

RAM:

8GB LPDDR5
8GB LPDDR5
8GB LPDDR5

Internal storage:

128GB (UFS 3.1), not expandable
128GB (UFS 3.1)
128GB (UFS 3.1), not expandable

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (11), OxygenOS UI
Android (11), MIUI 12 UI
Android (11), OxygenOS UI

Battery

Capacity:

4500 mAh
4520 mAh
4500 mAh

Type:

Not user replaceable
Not user replaceable
Not user replaceable

Charging:

OnePlus Warp Charge, Qi wireless charging
Fast charging
OnePlus Warp Charge, Qi wireless charging

Max charge speed:

Wired: 65.0W; Wireless: 15.0W
Wired: 33.0W
Wired: 65.0W; Wireless: 50.0W

Camera

Rear:

Triple camera
Triple camera
Quad camera

Main camera:

48 MP (PDAF)
108 MP (Autofocus)
48 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Focal length: 23 mm; Sensor size: 1/1.4"; Pixel size: 1.12 μm
Aperture size: F1.8; Sensor size: 1/1.52”; Pixel size: 0.7 μm
Aperture size: F1.8; Focal length: 23 mm; Sensor size: 1/1.4"; Pixel size: 1.12 μm

Second camera:

50 MP (Ultra-wide)
5 MP (Telephoto, Macro)
8 MP (Telephoto, OIS, Autofocus)

Specifications:

Aperture size: F2.2; Focal Length: 14 mm; Sensor size: 1/1.56"
Aperture size: F2.4
Optical zoom: 3.3x; Aperture size: F2.4; Focal Length: 77 mm; Pixel size: 1.0 μm

Third camera:

2 MP (Black and White)
8 MP (Ultra-wide)
50 MP (Ultra-wide)

Specifications:

Aperture size: F2.2
Aperture size: F2.2; Focal Length: 14 mm; Sensor size: 1/1.56"

Fourth camera:

2 MP (Black and White)

Video recording:

7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (30 fps)
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)

Features:

HDR, Continuous autofocus, EIS
HDR, Time-lapse video
OIS, HDR, Continuous autofocus, EIS

Front:

16 MP (EIS)
20 MP (HDR)
16 MP (EIS)

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)
6.43 x 2.90 x 0.34 inches (163.2 x 73.6 x 8.7 mm)

Weight:

6.77 oz (192.0 g)
6.91 oz (196.0 g)
6.95 oz (197.0 g)

Materials:

Back: Glass (Corning Gorilla Glass); Frame: Aluminum
Back: Glass (Corning Gorilla Glass 5)
Back: Glass (Corning Gorilla Glass)

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, In-screen fingerprint
2D Face unlock, Fingerprint (touch)
2D Face unlock, In-screen fingerprint

Keys:

Left: Volume control; Right: Lock/Unlock key, Other
Right: Volume control, Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key, Other

Colors:

Winter Mist, Arctic Sky, Astral Black
Cosmic Black, Frosty White, Celestial Silver
Morning Mist, Forest Green, Stellar Black

Cellular

5G:

n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78
n1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78
n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78, NSA

LTE (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)
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)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

UMTS:

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)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900), 9(1700), 19(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
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

Multimedia

Headphones:

No 3.5mm jack
No 3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker, Multiple speakers
Earpiece, Loudspeaker, Multiple speakers
Earpiece, Loudspeaker, Multiple speakers

Features:

Dolby Atmos
Dolby Atmos
Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.2
5.2
5.2

Wi-Fi:

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
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 3.1
Type-C (reversible)
Type-C (reversible), USB 3.1

Features:

Charging, Headphones port, Mass storage device
Charging
Charging, Headphones port, Mass storage device

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
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Altimeter, Compass, Barometer
Accelerometer, Gyroscope, Compass

Other:

NFC
NFC, Infrared
NFC

Regulatory Approval

FCC approval:

Date approved:

Mar 24, 2021
Mar 30, 2021
Mar 24, 2021

FCC ID value:

2ABZ2-EF136
2AFZZK11G
2ABZ2-EF14A

Measured SAR:

Head:

1.20 W/kg
0.95 W/kg
1.19 W/kg

Body:

0.78 W/kg
0.74 W/kg
0.75 W/kg

Simultaneous Transmission:

1.48 W/kg
1.59 W/kg
1.52 W/kg

Wireless Router:

1.18 W/kg
0.93 W/kg
1.19 W/kg

Buyers information

Price:

$ 729
€ 649
$ 969

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
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

Availability

Officially announced:

Mar 23, 2021
Mar 29, 2021
Mar 23, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless