OnePlus 3 vs Xiaomi Redmi Note 8 2021 Specs Comparison

Design

Dimensions
6.01 x 2.94 x 0.29 inches 152.7 x 74.7 x 7.35 mm	6.23 x 2.96 x 0.33 inches 158.3 x 75.3 x 8.35 mm
Weight
5.57 oz (158.0 g)	6.70 oz (190.0 g)
Materials
Back: Aluminum	Back: Glass Frame: Plastic
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Features
Notification light
Keys
	Right: Volume control, Lock/Unlock key
Colors
Gold, Gray	Neptune Blue, Moonlight White, Space Black,

Display

Size
5.5-inch	6.3-inch
Resolution
1920x1080px, 401 PPI	2340x1080px, 19.5:9 ratio, 409 PPI
Technology
Super AMOLED	IPS LCD
Refresh rate
	60Hz
Screen-to-body
73.15 %	81.89 %
Features
Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 820 MSM8996	MediaTek Helio G85 MT6769Z (12 nm)
Processor
Quad-core Kryo	Octa-core 2000 MHz Cortex-A75
GPU
Adreno 530	Mali G52 MC2
RAM
6GB (LPDDR4)	4GB (LPDDR4)
Internal storage
64GB	64GB (eMMC 5.1)
Storage expansion
	microSDXC up to 128 GB
OS
Android (6.0 Marshmallow), OnePlus OxygenOS UI	Android (11), MIUI 12.5 UI

Battery

Capacity
3000 mAh	4000 mAh
Type
	Li - Polymer
Charging
OnePlus Dash Charge	Fast charging
Charge speed
	Wired: 18.0W

Camera

Rear
Single camera	Quad camera
Main camera
16 MP (OIS, PDAF) Aperture size: F2.0 Pixel size: 1.12 μm	48 MP (Autofocus) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	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
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (120 fps) Video calling	1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps)
Front
8 MP, Video capture: 1920x1080 (Full HD)	13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.2
WLAN
802.11 a,b,g,n,ac,dual-band	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
NFC, Tethering, Computer sync, OTA sync	Infrared

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
	Wireless screen share
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 30(2300 WCS)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)
	Bands 38(2600), 40(2300)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSPA
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Buyers information

MSRP
$ 399
In The Box
Screen Protector (pre-applied), Dash Charge Type-C Cable, Dash Charge Adapter, SIM Tray Ejector1x Quick Start Guide	Adapter, USB Type-C cable, SIM Eject Tool, Protective Case, Quick Start Guide, Warranty Card

Availability

Officially announced
Jun 14, 2016	May 24, 2021

Alternative variants

4G (FDD)	Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
4G (TDD)	Bands 38(2600), 40(2300)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)

With 128GB internal stotrage

Internal storage	128GB

Links

Full specifications
OnePlus 3 Specs	Xiaomi Redmi Note 8 2021 Specs
PhoneArena Review
OnePlus 3 Review
User Reviews
OnePlus 3 User Reviews