Xiaomi Mi 11 Ultra vs OnePlus 9 Specs Comparison

Design

Dimensions
6.47 x 2.94 x 0.33 inches 164.3 x 74.6 x 8.38 mm	6.30 x 2.92 x 0.34 inches 160 x 74.2 x 8.7 mm
Weight
8.25 oz (234.0 g)	6.77 oz (192.0 g)
Materials
Back: Ceramic	Back: Glass (Corning Gorilla Glass) Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Optical in-screen fingerprint	2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key, Other
Colors
Ceramic White, Ceramic Black	Winter Mist, Arctic Sky, Astral Black

Display

Size
6.8-inch	6.5-inch
Resolution
3200x1440px, 20:9 ratio, 515 PPI	2400x1080px, 20:9 ratio, 402 PPI
Technology
AMOLED	AMOLED
Refresh rate
120Hz	120Hz
Screen-to-body
91.24 %	87.27 %
Peak brightness
1700 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor
Additional display
1.1 inches, 294 x124 px, AMOLED, Touch screen: Yes, Capacitive

Hardware

System chip
Qualcomm Snapdragon 888 SM8350 (5 nm)	Qualcomm Snapdragon 888 (5 nm)
Processor
Octa-core Kryo 680	Octa-core 2840 MHz Kryo 680
GPU
Adreno 660	Adreno 660
Memory
8GB (LPDDR5)/256GB (UFS 3.1)	8GB (LPDDR5)/128GB (UFS 3.1)
Storage expansion
not expandable	not expandable
OS
Android (11)	Android (11)

Battery

Type
5000 mAh, Li - Polymer	4500 mAh
Charging
Fast charging Qi wireless charging, Reverse wireless charging	OnePlus Warp Charge Qi wireless charging
Charge speed
Wired: 67.0W Wireless: 67.0W	Wired: 65.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

4h 58min

Browsing

8h 58min

Video

8h 7min

Gaming

8h 20min

Battery Life Estimate

5h 50min

Browsing

11h 29min

Video

9h 16min

Gaming

9h 6min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Triple camera
Main camera
50 MP (OIS, Laser autofocus) Aperture size: F1.9 Focal length: 24 mm Sensor size: 1/1.12″ Pixel size: 1.4 μm	48 MP (PDAF) Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.4" Pixel size: 1.12 μm
Second camera
48 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/2" Pixel size: 0.8 μm	50 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/1.56"
Third camera
48 MP (Telephoto, Autofocus) Optical zoom: 5.0x Aperture size: F4.1 Focal Length: 120 mm Sensor size: 1/2" Pixel size: 0.8 μm	2 MP (Black and White)
Flash
Tricolor LED	Dual LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (1920 fps), 720p (1920 fps)	8K UHD (30 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (480 fps) HDR, Continuous autofocus, EIS
Front
20 MP Video capture: 1080p	16 MP (EIS)

Connectivity & Features

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

Multimedia

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

Cellular

5G
Bands n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n77, n78, n79, SA, NSA	Bands n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78
4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32(1500 L-band), 66(AWS-3)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)
4G (TDD)
Bands 38, 40, 41, 42	Bands 38, 39, 40, 41, 46, 48
3G
Bands 1, 2, 4, 5, 8	Bands 1, 2, 4, 5, 8, 9, 19
Data Speed
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

Regulatory Approval

FCC approval
Date approved: Mar 31, 2021 FCC ID value: 2AFZZK1G	Date approved: Mar 24, 2021 FCC ID value: 2ABZ2-EF136
Measured SAR
Head: 0.84 W/kg Body: 0.46 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.74 W/kg	Head: 1.20 W/kg Body: 0.78 W/kg Simultaneous Transmission: 1.48 W/kg Wireless Router: 1.18 W/kg

Buyers information

MSRP
	$ 729
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

Availability

Officially announced
Mar 29, 2021	Mar 23, 2021

Alternative variants

with 12GB RAM

Memory	12GB
MSRP	€ 1200

With 12GB RAM and 256GB storage

Memory	12GB/256GB
MSRP	$ 829

with 16GB RAM

Memory	16GB

Links

Full specifications
Xiaomi Mi 11 Ultra Specs	OnePlus 9 Specs
PhoneArena Review
Xiaomi Mi 11 Ultra Review	OnePlus 9 Review
User Reviews
	OnePlus 9 User Reviews