OnePlus 9 vs Xiaomi Redmi Note 8 2021 Specs Comparison

Availability

Officially announced
Mar 23, 2021	May 24, 2021
Prices (MSRP)
8GB/128GB - $729

Design

Dimensions
6.30 x 2.92 x 0.34 inches 160 x 74.2 x 8.7 mm	6.23 x 2.96 x 0.33 inches 158.3 x 75.3 x 8.35 mm
Weight
6.77 oz / 192.0 g	6.70 oz / 190.0 g
Materials
Back: Glass (Corning Gorilla Glass) Frame: Aluminum	Back: Glass Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint	Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key, Other	Right: Volume control, Lock/Unlock key
Colors
Winter Mist, Arctic Sky, Astral Black	Neptune Blue, Moonlight White, Space Black,

Display

Size
6.5-inch, 87.27% screen-to-body	6.3-inch, 81.89% screen-to-body
Type
AMOLED, 120Hz, HDR	IPS LCD, 60Hz
Resolution
2400x1080px, 20:9 ratio, 402 PPI	2340x1080px, 19.5:9 ratio, 409 PPI
Protection
Corning Gorilla Glass	Corning Gorilla Glass 5

PhoneArena Display Test

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

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 888 (5 nm)	MediaTek Helio G85 MT6769Z (12 nm)
Processor
Octa-core Kryo 680	Octa-core 2000 MHz Cortex-A75
GPU
Adreno 660	Mali G52 MC2
Memory
8GB (LPDDR5)/128GB (UFS 3.1) 12GB/256GB	4GB (LPDDR4)/64GB (eMMC 5.1) 4GB/128GB
Storage expansion
not expandable	microSDXC up to 128 GB
OS
Android (11)	Android (11)

Battery

Type
4500 mAh	4000 mAh, Li - Polymer
Charging
OnePlus Warp Charge Qi wireless charging	Fast charging
Charge speed
Wired: 65.0W Wireless: 15.0W	Wired: 18.0W

PhoneArena Battery Tests

Battery Life Estimate

5h 50min

Browsing

11h 29min

Video

9h 16min

Gaming

9h 6min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.4" Pixel size: 1.12 μm	48 MP (Autofocus) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
50 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/1.56"	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
2 MP (Black and White)	2 MP (Macro, Autofocus) Aperture size: F2.4 Pixel size: 1.75 μm
Fourth camera
	2 MP (Depth information) Aperture size: F2.4 Pixel size: 1.75 μm
Flash
Dual LED	LED
Video recording
8K UHD (30 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (480 fps) HDR, Continuous autofocus, EIS	1080p (30 fps), 720p (120 fps)
Front
16 MP (EIS)	13 MP Video capture: 1080p

Connectivity & Features

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

Multimedia

Headphones
No 3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker, Multiple speakers	Earpiece, Loudspeaker
Features
Dolby Atmos
Screen mirroring
	Wireless screen share
Additional microphone(s)
	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, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66, 71	1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 39, 40, 41, 46, 48	38, 40
3G Bands
1, 2, 4, 5, 8, 9, 19	1, 2, 4, 5, 8
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, HSPA
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-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 12GB RAM and 256GB storage

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

With 128GB internal stotrage

Memory	128GB

Discover more

Full Specs OnePlus 9 Specs PA Review OnePlus 9 Review

Full Specs Xiaomi Redmi Note 8 2021 Specs