Xiaomi Mi Mix 4 vs OnePlus 9 Pro Specs Comparison

Design

Dimensions
6.40 x 2.97 x 0.31 inches 162.6 x 75.4 x 8 mm	6.43 x 2.90 x 0.34 inches 163.2 x 73.6 x 8.7 mm
Weight
7.94 oz (225.0 g)	6.95 oz (197.0 g)
Materials
Back: Ceramic Frame: Aluminum	Back: Glass (Corning Gorilla Glass)
Resistance
Splash, Dust; IP53	Water, Dust; IP68
Biometrics
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 Black, Ceramic White, Shadow Gray	Morning Mist, Forest Green, Stellar Black

Display

Size
6.7-inch	6.7-inch
Resolution
2400x1080px, 20:9 ratio, 395 PPI	3216x1440px, 20.1:9 ratio, 526 PPI
Technology
AMOLED	AMOLED
Refresh rate
120Hz	120Hz
Screen-to-body
87.59 %	89.79 %
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

Hardware

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

Battery

Type
4500 mAh, Li - Ion	4500 mAh
Charging
Fast charging Qi wireless charging, Reverse wireless charging	OnePlus Warp Charge Qi wireless charging
Charge speed
Wired: 120.0W Wireless: 50.0W	Wired: 65.0W Wireless: 50.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

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	Quad camera
Main camera
108 MP (OIS, Laser and PDAF) Aperture size: F1.9 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm	48 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.4" Pixel size: 1.12 μm
Second camera
13 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/3.06" Pixel size: 1.12 μm	50 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/1.56"
Third camera
8 MP (Periscope, OIS, PDAF) Optical zoom: 5.0x	8 MP (Ultra-wide) Optical zoom: 3.3x Aperture size: F2.4 Focal Length: 77 mm Pixel size: 1 μm
Fourth camera
	2 MP (Black and White)
Flash
Dual LED	Dual LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (480 fps), 720p (480 fps) HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking	8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps), 720p (480 fps) OIS, HDR, Continuous autofocus, EIS
Front
20 MP (Under-screen) Video capture: 1080p	16 MP (EIS)

Connectivity & Features

Bluetooth
5.2	5.2
WLAN
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, USB 2.0	Type-C, USB 3.1
Location
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, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass
Other
NFC	NFC

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Loudspeaker, Multiple speakers
Features
	Dolby Atmos

Cellular

5G
Bands n1, n3, n5, n8, n28, n41, n77, n78, n79, SA, NSA, Sub-6	Bands n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78, NSA
4G (FDD)
Bands 1, 2, 3, 4, 5, 8, 12, 17, 18, 19, 20, 26, 28	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 34, 38, 39, 40, 41, 42	Bands 38, 39, 40, 41, 46, 48
3G
Bands 1, 2, 4, 5, 6, 8, 19	Bands 1, 2, 4, 5, 8, 9, 19
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s	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
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
	Date approved: Mar 24, 2021 FCC ID value: 2ABZ2-EF14A
Measured SAR
	Head: 1.19 W/kg Body: 0.75 W/kg Simultaneous Transmission: 1.52 W/kg Wireless Router: 1.19 W/kg

Buyers information

MSRP
	$ 969
In The Box
Power adapter, USB Type-C data cable, Type-C to 3.5mm headphone cable, Mobile phone protective shell, Film (covered on the screen), Pins, Instructions (including three packs of certificates)	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
Aug 10, 2021	Mar 23, 2021

Alternative variants

With 256GB internal storage

Memory	256GB

with 12GB RAM and 256GB storage

Memory	12GB/256GB
MSRP	$ 1069

With 12GB RAM and 256GB internal storage

Memory	12GB/256GB

With 12GB RAM and 512GB internal storage

Memory	12GB/512GB

Links

Full specifications
Xiaomi Mi Mix 4 Specs	OnePlus 9 Pro Specs
PhoneArena Review
	OnePlus 9 Pro Review
User Reviews
	OnePlus 9 Pro User Reviews