Samsung Galaxy M21 vs Xiaomi Redmi Note 8 Specs Comparison

Availability

Officially announced
Mar 18, 2020	Aug 29, 2019

Design

Dimensions
6.26 x 2.96 x 0.35 inches 159.0 x 75.1 x 8.9 mm	6.23 x 2.96 x 0.33 inches 158.3 x 75.3 x 8.35 mm
Weight
6.63 oz / 188.0 g	6.70 oz / 190.0 g
Materials
Back: Plastic Frame: Plastic	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
Midnight blue, Raven black	Neptune Blue, Moonlight White, Space Black, Nebula Purple, Cosmic Purple

Display

Size
6.4-inch, 84.11% screen-to-body	6.3-inch, 81.89% screen-to-body
Type
Super AMOLED, 420 nits	IPS LCD, 60Hz
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	2340x1080px, 19.5:9 ratio, 409 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass 5
Features
Scratch-resistant glass, Proximity sensor

Hardware

System chip
Exynos 9611 (10 nm)	Snapdragon 665 SM6125 (11 nm)
Processor
Octa-core 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53	Octa-core 2000 MHz Kryo 260
GPU
Mali-G72 MP3	Adreno 610
Memory
4GB (LPDDR4)/64GB 6GB/128GB	3GB/32GB (eMMC) 4GB/64GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 128 GB
OS
Android (11, 10)	Android (10)

Battery

Type
6000 mAh, Li - Polymer	4000 mAh, Li - Polymer
Charging
Fast charging
Charge speed
	Wired: 18.0W

Camera

Rear
Triple camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm 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 Focal Length: 12 mm Sensor size: 1/4" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
5 MP (Depth information) Aperture size: F2.2	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
4K UHD (30 fps), 1080p, 720p (240 fps) EIS	4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
Front
20 MP (HDR) Video capture: 1080p (30 fps)	13 MP Video capture: 1080p (30 fps)

Connectivity & Features

Bluetooth
5.0	4.2
WLAN
dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	dual-band Wi-Fi Direct, Hotspot 802.11 b, g, n, ac
USB
Type-C, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, 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
	Infrared

Multimedia

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

Cellular

LTE Bands
1, 3, 5, 7, 8, 20	1, 2, 3, 4, 5, 7, 8, 20
TDD Bands
38, 40, 41	38, 40
3G Bands
1, 2, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSPA
Dual SIM
Yes	No
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Discover more

Full Specs Samsung Galaxy M21 Specs

Full Specs Xiaomi Redmi Note 8 Specs