Difference between OPPO A77S and XIAOMI WATCH S1 PRO ?

	PRODUCT 1	PRODUCT 2
	OPPO OPPO A77S	XIAOMI XIAOMI WATCH S1 PRO
VERSION
Announced	October 2022	August 2022
Release date	October 2022	August 2022
NETWORK
Technology	4G	❌
DEVICE
Dimensions	163.8 x 75 x 8 mm (6.45 x 2.95 x 0.31 in)	46 x 46 x 11.8 mm (1.81 x 1.81 x 0.46 in)
Weight	187 g / 190 g
S.I.M.
Design	8 MP (1080p@30fps)	Sapphire crystal front,stainless steel frame,sapphire crystal,plastic back,
Other	IP54,dust and water resistant,	Waterproof
SCREEN
langfront.Type	IPS LCD,90Hz,	AMOLED
Size	6.56 inches	1.47 inches
Resolution	720 x 1612 pixels	480 x 480 pixels
Protection

PLATFORM
Operating system	Android 12,ColorOS 12.1,	Proprietary OS
Chipset	Qualcomm SM6225 Snapdragon 680 4G (6nm)
Processor	Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)
GPU	Adreno 610
MEMORY
Card slot	microSDXC	❌
Internal & RAM	128GB 8GB RAM
CAMERA
Main	50 MP (f/1.8) + 2 MP (f/1.8)	❌
SOUND
Loudspeaker	Yes, with stereo speakers	✔️
Jack 3,5 mm	✔️	❌
CONNECTIVITY
Wifi	dual-band,Wi-Fi Direct,hotspot,	✔️
Bluetooth	5.0	5.2
GPS	✔️	✔️
NFC	✔️	✔️
Radio	❌	❌
USB	USB Type-C 2.0	❌
CHARACTERISTICS
Sensors	Fingerprint (side-mounted),accelerometer,proximity,compass,	Accelerometer,gyro,compass,barometer,heart rate,SpO2,thermometer (body temperature),
Various	Fast charging 33W	Wireless charging
BATTERY
Type	5000 mAh	500 mAh

What is the difference between OPPO A77S and XIAOMI WATCH S1 PRO ?