Difference between VIVO Y55S 5G and OPPO A1 ?

	PRODUCT 1	PRODUCT 2
	VIVO VIVO Y55S 5G	OPPO OPPO A1
VERSION
Announced	December 2021	April 2023
Release date	December 2021	April 2023
NETWORK
Technology	5G	5G
DEVICE
Dimensions		165.6 x 76.1 x 8.2 mm (6.52 x 3.00 x 0.32 in)
Weight	199.8 (g7.05 oz)	191 (g6.74 oz)
S.I.M.	Dual SIM
Design	8 MP	8 MP (1080p@30fps)
Other
SCREEN
langfront.Type	IPS LCD	IPS LCD,120Hz,
Size	6.58 inches	6.72 inches
Resolution	1080 x 2408 pixels	1080 x 2400 pixels
Protection

PLATFORM
Operating system	Android 11,OriginOS,	Android 13,ColorOS 13.1,
Chipset	MediaTek MT6833 Dimensity 700 5G (7nm)	Qualcomm SM6375 Snapdragon 695 5G (6nm)
Processor	Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)	Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver)
GPU	Mali-G57 MC2	Adreno 619
MEMORY
Card slot	❌	microSDXC
Internal & RAM	128GB 8GB RAM	256GB 8GB RAM or 256GB 12GB RAM
CAMERA
Main	50 MP + 2 MP	50 MP (f/1.8) + 2 MP (depth)
SOUND
Loudspeaker	✔️	Yes, with stereo speakers
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	dual-band
Bluetooth	✔️	5.1
GPS	✔️	✔️
NFC	❌	❌
Radio	FM Radio	❌
USB	USB Type-C	USB Type-C 2.0
CHARACTERISTICS
Sensors	Fingerprint (side-mounted),accelerometer,proximity,compass / Fingerprint (side mounted),accelerometer,proximity,compass,	Fingerprint (side-mounted),accelerometer,proximity,compass,infrared port,
Various	Fast Charging 18W / Fast battery charge 18W	Fast Charging 67W
BATTERY
Type	6000 mAh	5000 mAh

What is the difference between VIVO Y55S 5G and OPPO A1 ?