Difference between GIONEE SMARTWATCH 7 and SAMSUNG GALAXY A2 CORE ?

	PRODUCT 1	PRODUCT 2
	GIONEE GIONEE SMARTWATCH 7	SAMSUNG SAMSUNG GALAXY A2 CORE
VERSION
Announced	June 2021	2019
Release date	June 2021	2019
NETWORK
Technology	❌
DEVICE
Dimensions	50 x 45 x 9.6 mm (1.97 x 1.77 x 0.38 in)	141.6 x 71 x 9.1 mm
Weight	35 (g1.23 oz)	142 g
S.I.M.	❌	Single or dual SIM
Design		5 MP
Other	IP67 waterproof
SCREEN
langfront.Type	TFT
Size	1.3 inches	5 inches
Resolution	240 x 240 pixels	540 x 960 pixels
Protection

PLATFORM
Operating system	Proprietary OS	Android 8.0 Oreo (Go edition)
Chipset		Exynos 7870 Octa (14nm)
Processor		Octa-core 1.6 GHz Cortex-A53
GPU		Mali-T830 MP1
MEMORY
Card slot	❌	microSD, jusqu`à 256 Go
Internal & RAM		8/16 GB, 1 GB RAM
CAMERA
Main	❌	5 MP
SOUND
Loudspeaker	❌	✔️
Jack 3,5 mm	❌	✔️
CONNECTIVITY
Wifi	❌	✔️
Bluetooth	4.0	✔️
GPS	❌	✔️
NFC	❌
Radio		FM Radio
USB	❌	microUSB 2.0
CHARACTERISTICS
Sensors	Accelerometer,heart rate,SpO2,	Proximity accelerometer
Various	Reply to Notifications,Camera Shutter Control,Calories Intake/burned,Steps,Sleep quality,Heart Rate,Weather,
BATTERY
Type	130 mAh	2600 mAh

What is the difference between GIONEE SMARTWATCH 7 and SAMSUNG GALAXY A2 CORE ?