Difference between OPPO A1K and VIVO S19 ?

	PRODUCT 1	PRODUCT 2
	OPPO OPPO A1K	VIVO VIVO S19
VERSION
Announced	2019	May 2024
Release date	2019	May 2024
NETWORK
Technology		5G
DEVICE
Dimensions	154.5 x 73.8 x 8.4 mm	163.6 x 75.7 x 7.2 mm (6.44 x 2.98 x 0.28 in)
Weight	170 g	193 (g6.81 oz)
S.I.M.	Double SIM
Design	5 MP	50 MP (4K@30fps, 1080p@60fps)
Other		IP64, dust and water resistant
SCREEN
langfront.Type		AMOLED,1B colors,120Hz,
Size	6.1 inches	6.78 inches
Resolution	720 x 1560 pixels	1260 x 2800 pixels
Protection	Gorilla Glass 3
PLATFORM
Operating system	Android 9.0 (Pie); ColorOS 6	Android 14,OriginOS 4,
Chipset	Mediatek MT6762 Helio P22 (12nm)	Qualcomm SM7550-AB Snapdragon 7 Gen 3 (4 nm)
Processor	Octa-core 2.0 GHz Cortex-A53	Octa-core (1x2.63 GHz Cortex-A715 & 3x2.4 GHz Cortex-A715 & 4x1.8GHz Cortex-A510)
GPU	PowerVR GE8320	Adreno 720
MEMORY
Card slot	microSD, jusqu`à 256 Go	❌
Internal & RAM	32GB 2GB RAM	256GB 8GB RAM or 256GB 12GB RAM or 512GB 12GB RAM or 512GB 16GB RAM
CAMERA
Main	8 MP	50 MP (f/1.9)(Optical Image Stabilization) + 8 MP (106°)
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	❌
CONNECTIVITY
Wifi	✔️	dual-band,Wi-Fi Direct,
Bluetooth		5.4
GPS	✔️	✔️
NFC		✔️
Radio	FM Radio	❌
USB	microUSB 2.0	USB Type-C 2.0
CHARACTERISTICS
Sensors	Accelerometer,proximity,compass,	Fingerprint (under display,optical),accelerometer,gyro,proximity,compass,infrared port,
Various		Fast charging 80W,Reverse charging,
BATTERY
Type	4000 mAh	6000 mAh

What is the difference between OPPO A1K and VIVO S19 ?