Difference between SAMSUNG GALAXY M21 2021 and VIVO Y55S (2023) ? in countries.United States

	PRODUCT 1	PRODUCT 2
	SAMSUNG SAMSUNG GALAXY M21 2021	VIVO VIVO Y55S (2023)
VERSION
Announced	July 2021	January 2023
Release date	July 2021	January 2023
NETWORK
Technology	4G	5G
DEVICE
Dimensions		164 x 75.9 x 8.3 mm (6.46 x 2.99 x 0.33 in)
Weight		187 (g6.60 oz)
S.I.M.	Dual SIM
Design	20MP	8 MP (1080p@30fps)
Other
SCREEN
langfront.Type	Super AMOLED	IPS LCD
Size	6.4 inches	6.58 inches
Resolution	1080 x 2340 pixels	1080 x 2408 pixels
Protection

PLATFORM
Operating system	Android 11,One UI 3.1 Core,	Android 12,Funtouch 12,
Chipset	Exynos 9611 (10nm)	Mediatek MT6833 Dimensity 700 (7nm)
Processor	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)	Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU	Mali-G72 MP3	Mali-G57 MC2
MEMORY
Card slot	microSDXC	microSDXC
Internal & RAM	64GB 4GB RAM or 128GB 6GB RAM	128GB 4GB RAM or 128GB 6GB RAM
CAMERA
Main	48 MP + 5 MP (123˚) + 2 MP	50 MP (f/1.8) + 2 MP (macro) + 2 MP (depth)
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	dual-band,Wi-Fi Direct,
Bluetooth	✔️	5.1
GPS	✔️	✔️
NFC	❌	✔️
Radio	FM radio,RDS,recording / FM Radio,RDS,registration,	FM Radio
USB	USB Type-C 2.0	USB Type-C
CHARACTERISTICS
Sensors	Fingerprint (rear-mounted),accelerometer,gyro,proximity,compass,barometer / Fingerprint (rear mounted),accelerometer,gyroscope,proximity,compass,barometer,	Fingerprint (side-mounted),accelerometer,gyro,proximity,compass,
Various	Fast Charging 15W / Fast battery charge 15W	Fast Charging 18W
BATTERY
Type	6000 mAh	5000 mAh

What is the difference between SAMSUNG GALAXY M21 2021 and VIVO Y55S (2023) in countries.United States?