Difference between SAMSUNG GALAXY A2 CORE and XIAOMI MI 9 ?

	PRODUCT 1	PRODUCT 2
	SAMSUNG SAMSUNG GALAXY A2 CORE	XIAOMI XIAOMI MI 9
VERSION
Announced	2019	2019
Release date	2019	2019
NETWORK
Technology
DEVICE
Dimensions	141.6 x 71 x 9.1 mm	157.5 x 74.7 x 7.6 mm
Weight	142 g	173 g
S.I.M.	Single or dual SIM	Double SIM
Design	5 MP	20MP
Other		DCI-P3 - HDR10
SCREEN
langfront.Type
Size	5 inches	6.39 inches
Resolution	540 x 960 pixels	1080 x 2340 pixels
Protection		Gorilla Glass 6

PLATFORM
Operating system	Android 8.0 Oreo (Go edition)	Android 9.0 (Pie); MIUI 10
Chipset	Exynos 7870 Octa (14nm)	Qualcomm SDM855 Snapdragon 855 (7nm)
Processor	Octa-core 1.6 GHz Cortex-A53	Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
GPU	Mali-T830 MP1	Adreno 640
MEMORY
Card slot	microSD, jusqu`à 256 Go	❌
Internal & RAM	8/16 GB, 1 GB RAM	64/128 GB, 6/8 GB RAM
CAMERA
Main	5 MP	48 MP + 12 MP + 16 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	❌
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC		✔️
Radio	FM Radio	❌
USB	microUSB 2.0	2.0,Type-C 1.0,
CHARACTERISTICS
Sensors	Proximity accelerometer	Fingerprint (under display),accelerometer,gyroscope,proximity,compass,infrared port,
Various		27W Fast Battery Charging - 20W Wireless Fast Charging
BATTERY
Type	2600 mAh	3300 mAh

What is the difference between SAMSUNG GALAXY A2 CORE and XIAOMI MI 9 ?