Difference between VIVO Y5S and VIVO Y21T ?

	PRODUCT 1	PRODUCT 2
	VIVO VIVO Y5S	VIVO VIVO Y21T
VERSION
Announced	2019	January 2022
Release date	2019	January 2022
NETWORK
Technology		4G
DEVICE
Dimensions	162.2 x 76.5 x 8.9 mm
Weight	193 g	182 (g6.42 oz)
S.I.M.	Single or dual SIM	Dual SIM
Design	16MP	8 MP (1080p@30fps)
Other
SCREEN
langfront.Type		IPS LCD
Size	6.53 inches	6.51 inches
Resolution	1080 x 2340 pixels	720 x 1600 pixels
Protection
PLATFORM
Operating system	Android 9.0 (Pie); Funtouch 9.2	Android 11,Funtouch 12,
Chipset	Mediatek MT6768 Helio P65 (12nm)	Qualcomm SM6225 Snapdragon 680 4G (6nm)
Processor	Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)	Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)
GPU	Mali-G52 MC2	Adreno 610
MEMORY
Card slot	microSD, jusqu`à 256 Go	microSDXC
Internal & RAM	128GB 6GB RAM	128GB 6GB RAM
CAMERA
Main	16 MP + 8 MP + 2 MP	50 MP (f/1.8) + 2 MP + 2 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	dual-band,Wi-Fi Direct,hotspot,
Bluetooth	✔️	5.0
GPS	✔️	GPS,A-GPS,GLONASS,GALILEO,BDS,
NFC		❌
Radio	FM Radio	FM Radio
USB	microUSB 2.0	USB Type-C 2.0
CHARACTERISTICS
Sensors	Fingerprint (rear mounted),accelerometer,proximity,compass,	Fingerprint (side-mounted),accelerometer,proximity,compass / Fingerprint (side mounted),accelerometer,proximity,compass,
Various	18W Fast Battery Charging / 5W Reverse Charging	Fast charging 18W - Reverse charging
BATTERY
Type	5000 mAh	5000 mAh

What is the difference between VIVO Y5S and VIVO Y21T ?