OnePlus 9 vs Xiaomi Mi 11i

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

Display

Size:

6.5 inches
6.7 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 402 PPI
2400 x 1080 pixels, 20:9 ratio, 395 PPI

Technology:

AMOLED
AMOLED

Screen-to-body:

87.27 %
85.89 %

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

Hardware

System chip:

Qualcomm Snapdragon 888
Qualcomm Snapdragon 888 SM8350

Processor:

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

RAM:

8GB LPDDR5
8GB LPDDR5

Internal storage:

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

Device type:

Smartphone
Smartphone

OS:

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

Battery

Capacity:

4500 mAh
4520 mAh

Type:

Not user replaceable
Not user replaceable

Charging:

OnePlus Warp Charge, Qi wireless charging
Fast charging

Max charge speed:

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

Camera

Rear:

Triple camera
Triple camera

Main camera:

48 MP (PDAF)
108 MP (Autofocus)

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

Second camera:

50 MP (Ultra-wide)
5 MP (Telephoto, Macro)

Specifications:

Aperture size: F2.2; Focal Length: 14 mm; Sensor size: 1/1.56"
Aperture size: F2.4

Third camera:

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

Specifications:

Aperture size: F2.2

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)

Features:

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

Front:

16 MP (EIS)
20 MP (HDR)

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, 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

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

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)

LTE (TDD):

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

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)

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

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
Wireless screen share

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

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

USB:

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

Features:

Charging, Headphones port, Mass storage device
Charging

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

Regulatory Approval

FCC approval:

Date approved:

Mar 24, 2021
Mar 30, 2021

FCC ID value:

2ABZ2-EF136
2AFZZK11G

Measured SAR:

Head:

1.20 W/kg
0.95 W/kg

Body:

0.78 W/kg
0.74 W/kg

Simultaneous Transmission:

1.48 W/kg
1.59 W/kg

Wireless Router:

1.18 W/kg
0.93 W/kg

Buyers information

Price:

$ 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
FCC OKs Cingular\'s purchase of AT&T Wireless