Difference between VIVO V25 and VIVO Y81 ?

	PRODUCT 1	PRODUCT 2
	VIVO VIVO V25	VIVO VIVO Y81
VERSION
Announced	August 2022
Release date	September 2022	2018
NETWORK
Technology	5G
DEVICE
Dimensions	159.2 x 74.2 x 7.8 mm (6.27 x 2.92 x 0.31 in)
Weight	186 (g6.56 oz)
S.I.M.
Design	50 MP (4K@30fps)
Other
SCREEN
langfront.Type	AMOLED,90Hz,HDR10+,
Size	6.44 inches	6.22 inches - 720 x 1520 pixels
Resolution	1080 x 2404 pixels
Protection
PLATFORM
Operating system	Android 12,Funtouch 12,	Android 8.1 (Oreo)
Chipset	MediaTek MT6877 Dimensity 900 (6nm)
Processor	Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)	Octa-core 2.0 GHz Cortex-A53
GPU	Mali-G68 MC4
MEMORY
Card slot	microSDXC
Internal & RAM	128GB 8GB RAM or 256GB 12GB RAM	32 GB, 3 RAM
CAMERA
Main	64 MP (f/1.8) + 8 MP (120˚) + 2 MP	13 MP - Selfie 5 MP
SOUND
Loudspeaker	✔️
Jack 3,5 mm	❌
CONNECTIVITY
Wifi	dual-band,Wi-Fi Direct,hotspot,
Bluetooth	5.2
GPS	✔️
NFC	✔️
Radio	❌
USB	USB Type-C 2.0
CHARACTERISTICS
Sensors	Fingerprint (under display,optical),accelerometer,gyro,proximity,compass,color changing back panel color,
Various	Fast charging 44W
BATTERY
Type	4500 mAh	3260 mAh

What is the difference between VIVO V25 and VIVO Y81 ?