Difference between AMAZFIT GTS and VIVO Y12 ?

	PRODUCT 1	PRODUCT 2
	AMAZFIT AMAZFIT GTS	VIVO VIVO Y12
VERSION
Announced	September 2019	2019
Release date	September 2019	2019
NETWORK
Technology	❌
DEVICE
Dimensions	43.25 x 36.25 x 9.4 mm	159.4 x 76.8 x 8.9 mm
Weight	24.8g	190.5 g
S.I.M.	❌	Double SIM
Design	Shape : Rectangular / Case material : Aluminum / Strap material : Silicone / Bezel material : Bezeless, Ceramics	8 MP
Other	Water resistance: Yes,5ATM,
SCREEN
langfront.Type	AMOLED
Size	1.65 inch	6.35 inches
Resolution	348 x 442 px	720 x 1544 pixels
Protection	Corning Gorilla Glass 3

PLATFORM
Operating system	Amazfit OS	Android 9.0 (Pie); Funtouch 9
Chipset		Mediatek MT6762 Helio P22 (12nm)
Processor		Octa-core 2.0 GHz Cortex-A53
GPU		PowerVR GE8320
MEMORY
Card slot	❌	microSD, jusqu`à 256 Go
Internal & RAM		64 GB, 4 GB RAM ou 32 GB, 3 GB RAM
CAMERA
Main		13 MP + 8 MP + 2 MP
SOUND
Loudspeaker	❌	✔️
Jack 3,5 mm		✔️
CONNECTIVITY
Wifi	❌	✔️
Bluetooth	5.0	✔️
GPS	GPS,GLONASS,	✔️
NFC
Radio	❌	FM Radio
USB	❌	microUSB 2.0
CHARACTERISTICS
Sensors	BioTracker TM PPG Bio-Tracking Optical Sensor,6-Axis Accelerometer,3 Axis Geomagnetic Sensor Air Pressure Sensor,Ambient Light Brightness Sensor,	Fingerprint (rear mounted),accelerometer,gyroscope,proximity,compass,
Various	12 sports fashion,interactive (modular) watch faces,call and message notifications,social app notifications,Bluetooth music,timer,
BATTERY
Type	220 mAh	5000 mAh

What is the difference between AMAZFIT GTS and VIVO Y12 ?