Difference between DOOGEE V20S and OPPO WATCH 3 PRO ?

	PRODUCT 1	PRODUCT 2
	DOOGEE DOOGEE V20S	OPPO OPPO WATCH 3 PRO
VERSION
Announced	March 2024	August 2022
Release date	March 2024	August 2022
NETWORK
Technology	5G	4G
DEVICE
Dimensions	170.9 x 81.9 x 14 mm (6.73 x 3.22 x 0.55 in)	50.4 x 38.5 x 12.8 mm (1.98 x 1.52 x 0.50 in)
Weight		37.5 (g1.34 oz)
S.I.M.
Design	20 MP (1080p)	Glass front,aluminum frame,
Other	IP68/IP69K dust/water resistant ------ Drop-to-concrete resistance from up to 1.5m	5ATM water resistant
SCREEN
langfront.Type	AMOLED	LTPO AMOLED
Size	6.43 inches	1.91 inches
Resolution	1080 x 2408 pixels	378 x 496 pixels
Protection	Corning Gorilla Glass

PLATFORM
Operating system	Android 13	Android Wear OS
Chipset	Mediatek Dimensity 6020 (7nm)	Qualcomm Snapdragon W5+ Gen 1 (4nm)
Processor	Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)	Quad-core 1.7 GHz Cortex-A53
GPU	Mali-G57 MC2	Adreno A702
MEMORY
Card slot	microSDXC	❌
Internal & RAM	256GB 12GB RAM	32GB 1GB RAM
CAMERA
Main	50 MP (f/1.8) + 8 MP (123˚) + 24 MP (night vision)	❌
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	❌	❌
CONNECTIVITY
Wifi	dual-band
Bluetooth	5.1	5.0
GPS	✔️	✔️
NFC	✔️	✔️
Radio	FM radio	❌
USB	USB Type-C 2.0	❌
CHARACTERISTICS
Sensors	Fingerprint (side-mounted),accelerometer,gyro,proximity,compass,	Accelerometer,gyro,heart rate,compass,barometer,SpO2,
Various	Fast charging 33W,Reverse charging,
BATTERY
Type	6000 mAh	550 mAh

What is the difference between DOOGEE V20S and OPPO WATCH 3 PRO ?