Xiaomi Redmi 9 vs Xiaomi Redmi Note 8 2021 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

5.0
Xiaomi Redmi 9	Xiaomi Redmi Note 8 2021
Released · Jun 18, 2020	Released · May 27, 2021
6.5-inch · 2340x1080px	6.3-inch · 2340x1080px
Quad camera	Quad camera
3GB · 32GB	4GB · 64GB
5020 mAh	4000 mAh
Check prices	Check prices

Design

Dimensions
6.43 x 3.03 x 0.36 inches 163.32 x 77.01 x 9.1 mm	6.23 x 2.96 x 0.33 inches 158.3 x 75.3 x 8.35 mm
Weight
6.98 oz (198.0 g)	6.70 oz (190.0 g)
Materials
	Back: Glass Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Carbon gray, Sunset purple, Ocean green	Neptune Blue, Moonlight White, Space Black,

Display

Size
6.5-inch	6.3-inch
Resolution
2340x1080px, 19.5:9 ratio, 395 PPI	2340x1080px, 19.5:9 ratio, 409 PPI
Technology
IPS LCD	IPS LCD
Refresh rate
	60Hz
Screen-to-body
83.27 %	81.89 %
Features
Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio G80 (12 nm)	MediaTek Helio G85 MT6769Z (12 nm)
Processor
Octa-core 2000 MHz Arm Cortex-A75 and Arm Cortex-A55	Octa-core 2000 MHz Cortex-A75
GPU
Mali G52 MC2	Mali G52 MC2
Memory
3GB (LPDDR4)/32GB (eMMC 5.1)	4GB (LPDDR4)/64GB (eMMC 5.1)
Storage expansion
microSDXC	microSDXC up to 128 GB
OS
Android	Android (11)

Battery

Type
5020 mAh	4000 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 3.0	Fast charging
Charge speed
Wired: 18.0W	Wired: 18.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

9h 15min

Gaming

7h 3min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Camera

Rear
Quad camera	Quad camera
Main camera
13 MP (PDAF) Aperture size: F2.2	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	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
5 MP (Macro) Aperture size: F2.4	2 MP (Macro, Autofocus) Aperture size: F2.4 Pixel size: 1.75 μm
Fourth camera
2 MP (Depth information)	2 MP (Depth information) Aperture size: F2.4 Pixel size: 1.75 μm
Flash
LED	LED
Video recording
1080p	1080p (30 fps), 720p (120 fps)
Front
8 MP (HDR) Video capture: 1080p	13 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.2
WLAN
802.11 b,g,n Wi-Fi Direct, Hotspot	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, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
NFC, Infrared	Infrared

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 20, 28	Bands 1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD)
Bands 38, 40, 41	Bands 38, 40
3G
Bands 1, 2, 4, 5, 8	Bands 1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSPA
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
Yes	Yes
VoLTE
Yes	Yes

Buyers information

In The Box
10W Charger, TPU case, USB Type-C cable, SIM eject tool, Warranty card, User guide	Adapter, USB Type-C cable, SIM Eject Tool, Protective Case, Quick Start Guide, Warranty Card

Availability

Officially announced
	May 24, 2021

Alternative variants

with 64GB storage


Memory	4GB/64GB

With 128GB internal stotrage


Memory	128GB

Links

Full specifications
Xiaomi Redmi 9 Specs	Xiaomi Redmi Note 8 2021 Specs
PhoneArena Review
Xiaomi Redmi 9 Review
User Reviews
Xiaomi Redmi 9 User Reviews