Difference between OPPO WATCH 2 and XIAOMI MI PLAY ?

	PRODUCT 1	PRODUCT 2
	OPPO OPPO WATCH 2	XIAOMI XIAOMI MI PLAY
VERSION
Announced	July 2021	2018
Release date	July 2021	2019
NETWORK
Technology	Wifi or 4G & Wifi
DEVICE
Dimensions		147.8 x 71.9 x 7.8 mm
Weight		150 g
S.I.M.	eSIM	Duel
Design		1080p@30fps
Other	water resistant/resistant to water
SCREEN
langfront.Type	AMOLED
Size	1.91 inches	5.84 inches - 1080 x 2280 pixels
Resolution	402 x 476 pixels
Protection
PLATFORM
Operating system	Android Wear OS	Android 9.0 (Pie)
Chipset	Qualcomm Snapdragon Wear 4100 (12nm)	Mediatek Helio P35 (12nm)
Processor	Quad-core 1.7 GHz Cortex-A53	Octa-core 2.3 GHz Cortex-A53
GPU	Adreno 504	PowerVR GE8320
MEMORY
Card slot	❌	microSD, up to 256 GB
Internal & RAM	8GB 1GB RAM	64 GB, 4 GB RAM
CAMERA
Main	❌	12 MP - Selfie 8 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	❌	✔️
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC	✔️
Radio	❌
USB	❌	microUSB 2.0
CHARACTERISTICS
Sensors	Accelerometer,gyro,heart rate,compass,barometer,SpO2 / Accelerometer,gyroscope,cardiac frequency,compass,barometer,SpO2,	Fingerprint reader
Various		accelerometer,gyro,proximity,compass,
BATTERY
Type	510 mAh	3000 mAh

What is the difference between OPPO WATCH 2 and XIAOMI MI PLAY ?