Difference between SAMSUNG GALAXY M21 and SAMSUNG GALAXY A55 ?

	PRODUCT 1	PRODUCT 2
	SAMSUNG SAMSUNG GALAXY M21	SAMSUNG SAMSUNG GALAXY A55
VERSION
Announced	2020	March 2024
Release date	2020	March 2024
NETWORK
Technology		5G
DEVICE
Dimensions	159 x 75.1 x 8.9 mm	161.1 x 77.4 x 8.2 mm (6.34 x 3.05 x 0.32 in)
Weight	188 g	213 (g7.51 oz)
S.I.M.	Double SIM
Design	20MP	32 MP (4K@30fps,1080p@60fps),
Other		IP67 dust/water resistant
SCREEN
langfront.Type		Super AMOLED,120Hz,HDR10+,
Size	6.4 inches	6.6 inches
Resolution	1080 x 2340 pixels	1080 x 2340 pixels
Protection	Gorilla Glass 3	Corning Gorilla Glass Victus+

PLATFORM
Operating system	Android 10.0; One UI 2	Android 14, One UI 6.1
Chipset	Exynos 9611 (10nm)	Exynos 1480
Processor	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)	Octa-core (4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU	Mali-G72 MP3
MEMORY
Card slot	microSDXC	microSDXC
Internal & RAM	64 GB, 4 GB RAM	128GB 8GB RAM or 256GB 8GB RAM or 256GB 12GB RAM
CAMERA
Main	48 MP + 8 MP + 5 MP	50 MP (f/1.8) (Optical Image Stabilization) + 12 MP (123˚) + 5 MP (macro)
SOUND
Loudspeaker	✔️	Yes, with stereo speakers
Jack 3,5 mm	✔️	❌
CONNECTIVITY
Wifi	✔️	dual-band,Wi-Fi Direct,
Bluetooth	✔️	5.3
GPS	✔️	✔️
NFC		✔️
Radio	FM Radio,RDS,registration,	❌
USB	2.0,Type-C 1.0,	USB Type-C 2.0
CHARACTERISTICS
Sensors	Fingerprint (rear mounted),accelerometer,gyroscope,proximity,compass,	Fingerprint (under display,optical),accelerometer,gyro,compass,
Various	15W fast battery charging	Faster Charging 25W
BATTERY
Type	6000 mAh	5000 mAh

What is the difference between SAMSUNG GALAXY M21 and SAMSUNG GALAXY A55 ?