Difference between SAMSUNG GALAXY M31S and OPPO A16K ?

	PRODUCT 1	PRODUCT 2
	SAMSUNG SAMSUNG GALAXY M31S	OPPO OPPO A16K
VERSION
Announced	2020	November 2021
Release date	2020	November 2021
NETWORK
Technology		4G
DEVICE
Dimensions
Weight		175 (g6.17 oz)
S.I.M.	Double SIM	Dual SIM
Design	32MP	5 MP
Other
SCREEN
langfront.Type		IPS LCD
Size	6.5 inches	6.52 inches
Resolution	1080 x 2400 pixels	720 x 1600 pixels
Protection	Gorilla Glass 3	Corning Gorilla Glass 3
PLATFORM
Operating system	Android 10,One UI 2.0,	Android 11,ColorOS 11.1,
Chipset	Exynos 9611 (10nm)	MediaTek MT6765G Helio G35 (12nm)
Processor	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU	Mali-G72 MP3	PowerVR GE8320
MEMORY
Card slot	microSDXC	microSDXC
Internal & RAM	128GB 6GB RAM or 128GB 8GB RAM	32GB 3GB RAM or 64GB 4GB RAM or 128GB 8GB RAM
CAMERA
Main	64 MP + 12 MP + 5 MP + 5 MP	13 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	dual-band,Wi-Fi Direct,hotspot,
Bluetooth	✔️	5.0
GPS	✔️	GPS,A-GPS,GLONASS,GALILEO,BDS,
NFC	✔️	❌
Radio	FM Radio,RDS,registration,
USB	2.0,Type-C 1.0,	microUSB 2.0
CHARACTERISTICS
Sensors	Fingerprint (lateral),accelerometer,gyroscope,proximity,compass,	Accelerometer,proximity,compass,
Various	25W Fast Battery Charging - Reverse Charge
BATTERY
Type	6000 mAh	4230 mAh

What is the difference between SAMSUNG GALAXY M31S and OPPO A16K ?