Xiaomi Redmi Note 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.

8.5
Xiaomi Redmi Note 9	Xiaomi Redmi Note 8 2021
Released · May 12, 2020	Released · May 27, 2021
6.5-inch · 2340x1080px	6.3-inch · 2340x1080px
Quad camera	Quad camera
3GB · 64GB	4GB · 64GB
5020 mAh	4000 mAh
Check prices	Check prices

Design

Dimensions
6.39 x 3.04 x 0.35 inches 162.3 x 77.2 x 8.9 mm	6.23 x 2.96 x 0.33 inches 158.3 x 75.3 x 8.35 mm
Weight
7.02 oz (199.0 g)	6.70 oz (190.0 g)
Materials
Frame: Plastic	Back: Glass Frame: Plastic
Resistance
Splash
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Forest green, Polar white, Midnight gray	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
83.52 %	81.89 %
Features
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio G85 (12 nm)	MediaTek Helio G85 MT6769Z (12 nm)
Processor
Octa-core 2000 MHz Arm Cortex-A75 and ArmCortex-A55	Octa-core 2000 MHz Cortex-A75
GPU
Mali G52 MC2	Mali G52 MC2
RAM
3GB (LPDDR4)	4GB (LPDDR4)
Internal storage
64GB (eMMC 5.1)	64GB (eMMC 5.1)
Storage expansion
microSDXC up to 128 GB	microSDXC up to 128 GB
OS
Android (10), Xiaomi MI UI	Android (11), MIUI 12.5 UI

Battery

Capacity
5020 mAh	4000 mAh
Type
Li - Polymer	Li - Polymer
Charging
Fast charging, Reverse wired charging	Fast charging
Charge speed
Wired: 18.0W	Wired: 18.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

10h 43min

Gaming

7h 34min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Camera

Rear
Quad camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 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: 1.2 μm	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	2 MP (Macro, Autofocus) Aperture size: F2.4 Pixel size: 1.75 μm
Fourth camera
2 MP Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.7 μm	2 MP (Depth information) Aperture size: F2.4 Pixel size: 1.75 μm
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps)	1920x1080 (Full HD) (30 fps), 1280x720 (HD) (120 fps)
Front
13 MP (HDR), Video capture: 1920x1080 (Full HD)	13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.2
WLAN
802.11 a,b,g,n,ac,dual-band 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, Galileo, 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
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)	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), 41(2600+)	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, 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
VoLTE
Yes	Yes

Buyers information

In The Box
22.5W Charger, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card	Adapter, USB Type-C cable, SIM Eject Tool, Protective Case, Quick Start Guide, Warranty Card

Availability

Officially announced
Apr 30, 2020	May 24, 2021

Alternative variants

with 128GB storage


RAM	4GB
Internal storage	128GB

With 128GB internal stotrage


Internal storage	128GB

Links

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