Difference between VIVO Y15A and VIVO Y100 ?

	PRODUCT 1	PRODUCT 2
	VIVO VIVO Y15A	VIVO VIVO Y100
VERSION
Announced	November 2021	February 2023
Release date	November 2021	February 2023
NETWORK
Technology	4G	5G
DEVICE
Dimensions		158.9 x 73.5 x 7.7 mm (6.26 x 2.89 x 0.30 in)
Weight	179 (g6.31 oz)	181 (g6.38 oz)
S.I.M.	Dual SIM
Design	8 MP	16 MP (1080p@30fps)
Other		Dust and water resistant
SCREEN
langfront.Type	IPS LCD	AMOLED,90Hz,HDR10+,
Size	6.51 inches	6.38 inches
Resolution	720 x 1600 pixels	1080 x 2400 pixels
Protection

PLATFORM
Operating system	Android 11,Funtouch 11.1,	Android 13,Funtouch 13,
Chipset	Mediatek MT6765 Helio P35 (12nm)	Mediatek MT6877 Dimensity 900 (6nm)
Processor	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)	Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU	PowerVR GE8320	Mali-G68 MC4
MEMORY
Card slot	microSDXC	microSDXC
Internal & RAM	64GB 4GB RAM	128GB 8GB RAM
CAMERA
Main	13 MP + 2 MP	64 MP (f/1.8) + 2 MP (macro) + 2 MP (depth)
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	dual-band
Bluetooth	5.0	5.2
GPS	GPA,A-GPS,GLONASS,GALILEO,BDS,	✔️
NFC	❌	✔️
Radio	FM Radio	❌
USB	microUSB 2.0	USB Type-C 2.0
CHARACTERISTICS
Sensors	Fingerprint (side-mounted),accelerometer,proximity,compass / Fingerprint (side mounted),accelerometer,proximity,compass,	Fingerprint (under display,optical),accelerometer,gyro,proximity,compass,
Various	Fast Charging 10W - Reverse charging 5W / Fast battery charge 10W - Reverse charging 5W	Fast Charging 44W
BATTERY
Type	5000 mAh	4500 mAh

What is the difference between VIVO Y15A and VIVO Y100 ?