Difference between VIVO Y12S and VIVO Y15S ?

	PRODUCT 1	PRODUCT 2
	VIVO VIVO Y12S	VIVO VIVO Y15S
VERSION
Announced	2020	November 2021
Release date	2020	November 2021
NETWORK
Technology	GSM / HSPA / LTE	4G
DEVICE
Dimensions	164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in)
Weight	191 (g6.74 oz)	179 (g6.31 oz)
S.I.M.	Dual SIM	Dual SIM
Design	8 MP	8 MP
Other
SCREEN
langfront.Type	IPS LCD	IPS LCD
Size	6.51 inches	6.51 inches
Resolution	720 x 1600 pixels	720 x 1600 pixels
Protection

PLATFORM
Operating system	Android 10,Funtouch 11,	Android 11 (Go edition),Funtouch 11.1,
Chipset	Mediatek MT6765 Helio P35 (12nm)	Mediatek MT6765 Helio P35 (12nm)
Processor	Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU	PowerVR GE8320	PowerVR GE8320
MEMORY
Card slot	microSDXC	microSDXC
Internal & RAM	32GB 3GB RAM, 32GB 4GB RAM	32GB 3GB RAM
CAMERA
Main	13 MP + 2 MP	13 MP + 2 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	Wi-Fi Direct,hotspot,
Bluetooth	✔️	5.0
GPS	✔️	GPS,A-GPS,GLONASS,GALILEO,BDS,
NFC	❌	❌
Radio	FM Radio	FM Radio
USB	microUSB 2.0	microUSB 2.0
CHARACTERISTICS
Sensors	Fingerprint (side-mounted),accelerometer,proximity,compass / Fingerprint (side mounted),	Fingerprint (side-mounted),accelerometer,proximity,compass / Fingerprint (side mounted),accelerometer,proximity,compass,
Various	Reverse charging 5W,Fast Charging 10W / Fast battery charge 10W,	Fast Charging 10W - Reverse charging 5W / Fast battery charge 10W - Reverse charging 5W
BATTERY
Type	5000 mAh	5000 mAh

What is the difference between VIVO Y12S and VIVO Y15S ?