Difference between XIAOMI REDMI K20 and SAMSUNG GALAXY M21 2021 ?

	PRODUCT 1	PRODUCT 2
	XIAOMI XIAOMI REDMI K20	SAMSUNG SAMSUNG GALAXY M21 2021
VERSION
Announced	2019	July 2021
Release date	2019	July 2021
NETWORK
Technology		4G
DEVICE
Dimensions	156.7 x 74.3 x 8.8 mm
Weight	191 g
S.I.M.	Double SIM	Dual SIM
Design	20 MP motorized popup	20MP
Other	HDR
SCREEN
langfront.Type		Super AMOLED
Size	6.39 inches	6.4 inches
Resolution	1080 x 2340 pixels	1080 x 2340 pixels
Protection	Gorilla Glass 5

PLATFORM
Operating system	Android 9.0 (Pie); MIUI 10	Android 11,One UI 3.1 Core,
Chipset	Qualcomm SDM730 Snapdragon 730 (8nm)	Exynos 9611 (10nm)
Processor	Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU	Adreno 618	Mali-G72 MP3
MEMORY
Card slot	❌	microSDXC
Internal & RAM	256 GB, 8 GB RAM ou 64/128 GB, 6 GB RAM	64GB 4GB RAM or 128GB 6GB RAM
CAMERA
Main	48 MP + 8 MP + 13 MP	48 MP + 5 MP (123˚) + 2 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC	✔️	❌
Radio	✔️	FM radio,RDS,recording / FM Radio,RDS,registration,
USB	2.0,Type-C 1.0,	USB Type-C 2.0
CHARACTERISTICS
Sensors	Fingerprint (under display),accelerometer,gyroscope,proximity,compass,	Fingerprint (rear-mounted),accelerometer,gyro,proximity,compass,barometer / Fingerprint (rear mounted),accelerometer,gyroscope,proximity,compass,barometer,
Various	18W fast battery charging	Fast Charging 15W / Fast battery charge 15W
BATTERY
Type	4000 mAh	6000 mAh

What is the difference between XIAOMI REDMI K20 and SAMSUNG GALAXY M21 2021 ?