Difference between OPPO A31 and APPLE WATCH SERIES 6 ?

	PRODUCT 1	PRODUCT 2
	OPPO OPPO A31	APPLE APPLE WATCH SERIES 6
VERSION
Announced		2020
Release date	2020	2020
NETWORK
Technology	4G
DEVICE
Dimensions		44 x 38 x 10.4 mm (1.73 x 1.50 x 0.41 in)
Weight	180 (g6.35 oz)	47.1 (g1.66 oz)
S.I.M.	Dual SIM	eSIM
Design	8 MP	Glass front (Sapphire crystal),ceramic/sapphire crystal back,stainless steel frame / Glass front (sapphire crystal),ceramic back / sapphire glass,stainless steel frame,
Other		50m water resistant / 50 m water resistant
SCREEN
langfront.Type	IPS LCD	Retina LTPO OLED
Size	6.5 inches	1.78 inches
Resolution	720 x 1600 pixels	448 x 368 pixels
Protection	Gorilla Glass 3	Sapphire crystal glass

PLATFORM
Operating system	Android 9.0 (Pie),ColorOS 6.1,	watchOS 7.0
Chipset	Mediatek MT6765V/CB Helio P35 (12nm)	Apple S6
Processor	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)	Dual-core
GPU	PowerVR GE8320	PowerVR
MEMORY
Card slot	microSDXC	❌
Internal & RAM	64GB 4GB RAM or 128GB 4GB RAM or 128GB 6GB RAM	32GB 1GB RAM
CAMERA
Main	12 MP + 2 MP + 2 MP	❌
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	❌
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC	❌	✔️
Radio	FM Radio	❌
USB	microUSB 2.0	❌
CHARACTERISTICS
Sensors	Fingerprint (rear-mounted),accelerometer,gyro,proximity,compass / Fingerprint (rear mounted),accelerometer,gyroscope,proximity,compass,	Accelerometer,gyro,heart rate (2nd gen),barometer,always-on altimeter,compass,SpO2,VO2max,Natural language commands and dictation,
Various		Wireless charging / Chargement sans fil
BATTERY
Type	4230 mAh

What is the difference between OPPO A31 and APPLE WATCH SERIES 6 ?