Xiaomi Poco X3 NFC vs OnePlus 9 Specs Comparison

Availability

Officially announced
	Mar 23, 2021
Prices (MSRP)
€229	$729

Design

Dimensions
6.51 x 3.02 x 0.37 inches 165.3 x 76.8 x 9.4 mm	6.30 x 2.92 x 0.34 inches 160 x 74.2 x 8.7 mm
Weight
7.58 oz / 215.0 g	6.77 oz / 192.0 g
Materials
Back: Plastic	Back: Glass (Corning Gorilla Glass) Frame: Aluminum
Resistance
Splash, Dust; IP53
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key, Other
Colors
Shadow gray, Cobalt blue	Winter Mist, Arctic Sky, Astral Black

Display

Size
6.7-inch, 84.68% screen-to-body	6.5-inch, 87.27% screen-to-body
Type
IPS LCD, 120Hz, HDR, 450 nits	AMOLED, 120Hz, HDR
Resolution
2400x1080px, 20:9 ratio, 395 PPI	2400x1080px, 20:9 ratio, 402 PPI
Protection
Corning Gorilla Glass 5	Corning Gorilla Glass

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	2.5 (Average)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 732G SM7150-AC (8 nm)	Snapdragon 888 (5 nm)
Processor
Octa-core 2300 MHz Kryo 470	Octa-core 2840 MHz Kryo 680
GPU
Adreno 618	Adreno 660
Memory
6GB (LPDDR4)/64GB (UFS 2.1) 6GB/128GB	8GB (LPDDR5)/128GB (UFS 3.1) 12GB/256GB
Storage expansion
microSDXC up to 256 GB	not expandable
OS
Android (10)	Android (11)

Battery

Type
5160 mAh, Li - Polymer	4500 mAh
Charging
Fast charging	OnePlus Warp Charge Qi wireless charging
Charge speed
Wired: 33.0W	Wired: 65.0W Wireless: 15.0W

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
Quad camera	Triple camera
Main camera
64 MP (PDAF) Aperture size: F1.9 Sensor size: 1/1.7" Pixel size: 0.8 μm	48 MP (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	50 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/1.56"
Third camera
2 MP (Macro) Aperture size: F2.4 Pixel size: 1.75 μm	2 MP (Black and White)
Fourth camera
2 MP (Depth information) Aperture size: F2.4 Pixel size: 1.75 μm
Flash
LED	Dual LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (960 fps)	8K UHD (30 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (480 fps) HDR, Continuous autofocus, EIS
Front
20 MP (HDR)	16 MP (EIS)

Connectivity & Features

Bluetooth
5.1	5.2
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,Wi-Fi 6,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0	Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, Infrared	NFC

Multimedia

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

Cellular

5G 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, 20, 28	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66, 71
4G (TDD) Bands
38, 40, 41	38, 39, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8, 9, 19
Data Speed
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
VoLTE
Yes

Regulatory Approval

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

Alternative variants

with 128GB storage

Memory	128GB
Prices (MSRP)	€269

With 12GB RAM and 256GB storage

Memory	12GB/256GB
Prices (MSRP)	$829

Links

Full specifications
Xiaomi Poco X3 NFC Specs	OnePlus 9 Specs
PhoneArena Review
	OnePlus 9 Review
User Reviews
	OnePlus 9 User Reviews