Difference between VIVO Y21 and XIAOMI REDMI WATCH 3 ?

	PRODUCT 1	PRODUCT 2
	VIVO VIVO Y21	XIAOMI XIAOMI REDMI WATCH 3
VERSION
Announced	August 2021	December 2022
Release date	August 2021	December 2022
NETWORK
Technology	4G	❌
DEVICE
Dimensions		42.6 x 36.6 x 10 mm (1.68 x 1.44 x 0.39 in)
Weight	182 (g6.42 oz)	37 (g1.31 oz)
S.I.M.	Dual SIM
Design	8 MP	Plastic back,plastic frame,
Other		Waterproof (50m water resistant)
SCREEN
langfront.Type	IPS LCD	AMOLED
Size	6.51 inches	1.75 inches
Resolution	720 x 1600 pixels	450 x 390 pixels
Protection
PLATFORM
Operating system	Android 11,Funtouch 11.1,	Proprietary OS
Chipset	Mediatek MT6765 Helio P35 (12nm)
Processor	Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU	PowerVR GE8320
MEMORY
Card slot	microSDXC	❌
Internal & RAM	64GB 4GB RAM or 128GB 4GB RAM
CAMERA
Main	13 MP + 2 MP	❌
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	❌
CONNECTIVITY
Wifi	✔️	❌
Bluetooth	✔️	5.2
GPS	✔️	✔️
NFC	❌	✔️
Radio	FM Radio	❌
USB	USB Type-C 2.0	❌
CHARACTERISTICS
Sensors	Fingerprint (side-mounted),accelerometer,gyro,proximity,compass / Fingerprint (side mounted),accelerometer,gyroscope,proximity,compass,	Accelerometer,heart rate,compass,gyro,SpO2,
Various	Fast Charging 18W / Fast battery charge 18W
BATTERY
Type	5000 mAh	289 mAh

What is the difference between VIVO Y21 and XIAOMI REDMI WATCH 3 ?