Difference between VIVO Z5X (2020) and XIAOMI WATCH COLOR 2 ?

	PRODUCT 1	PRODUCT 2
	VIVO VIVO Z5X (2020)	XIAOMI XIAOMI WATCH COLOR 2
VERSION
Announced	2020	September 2021
Release date	2020	September 2021
NETWORK
Technology		❌
DEVICE
Dimensions	162.4 x 77.3 x 8.9 mm
Weight	204.1 g
S.I.M.	Double SIM	❌
Design	16MP	Glass front,stainless steel frame,plastic back / Glass facade,stainless steel frame,plastic back,
Other		Waterproof / Étanche
SCREEN
langfront.Type		AMOLED
Size	6.53 inches	1.43 inches
Resolution	1080 x 2340 pixels	454 x 454 pixels
Protection

PLATFORM
Operating system	Android 9.0 (Pie),upgradable to Android 10,Funtouch 10,	Proprietary OS
Chipset	Qualcomm SDM712 Snapdragon 712 (10nm)
Processor	Octa-core (2x2.3 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)	--
GPU	Adreno 616
MEMORY
Card slot	microSDXC	❌
Internal & RAM	64GB 4GB RAM, ou 64GB 6GB RAM, ou 128GB 8GB RAM	--
CAMERA
Main	16 MP + 8 MP + 2 MP	❌
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	❌
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC		✔️
Radio	❌	❌
USB	microUSB 2.0	❌
CHARACTERISTICS
Sensors	Fingerprint (rear mounted),accelerometer,gyroscope,proximity,compass,	Accelerometer,gyro,heart rate,barometer,SpO2 / Accelerometer,gyroscope,cardiac frequency,barometer,SpO2,
Various	18W fast battery charging
BATTERY
Type	5000 mAh	470 mAh

What is the difference between VIVO Z5X (2020) and XIAOMI WATCH COLOR 2 ?