Difference between SAMSUNG GALAXY A70S and SAMSUNG GALAXY A51 5G ?

	PRODUCT 1	PRODUCT 2
	SAMSUNG SAMSUNG GALAXY A70S	SAMSUNG SAMSUNG GALAXY A51 5G
VERSION
Announced	2019	2020
Release date	2019	2020
NETWORK
Technology		5G
DEVICE
Dimensions	164.3 x 76.7 x 7.9 mm	158.9 x 73.6 x 8.7 mm
Weight	187 g	187 g
S.I.M.	Single or dual SIM	Single SIM (Nano-SIM) or dual SIM hybrid (Nano-SIM),dual watch),
Design	32MP	32MP
Other
SCREEN
langfront.Type
Size	6.7 inches	6.5 inches
Resolution	1080 x 2400 pixels	1080 x 2400 pixels
Protection	Corning Gorilla Glass	Gorilla Glass 3

PLATFORM
Operating system	Android 9.0 (Pie); One UI	Android 10,One UI 2,
Chipset	Qualcomm SDM675 Snapdragon 675 (11nm)	Exynos 980 (8nm)
Processor	Qualcomm SDM675 Snapdragon 675 (11nm)	Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
GPU	Adreno 612	Mali-G76 MP5
MEMORY
Card slot	microSD, jusqu`à 1 To	microSDXC
Internal & RAM	128GB 6GB RAM, 128GB 8GB RAM	128GB 6GB RAM, 128GB 8GB RAM
CAMERA
Main	64 MP + 8 MP + 5MP	48 MP + 12 MP + 5 MP + 5 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC	✔️	✔️
Radio	FM Radio	FM Radio
USB	2.0,Type-C 1.0,	2.0,Type-C 1.0,
CHARACTERISTICS
Sensors	Fingerprint (under display),optical),accelerometer,gyroscope,proximity,compass,ANT+,	Empreinte digitale (sous écran, optique), accéléromètre, gyroscope, proximité, boussole ANT +
Various	25W fast battery charging	15W fast battery charging
BATTERY
Type	4500 mAh	4500 mAh

What is the difference between SAMSUNG GALAXY A70S and SAMSUNG GALAXY A51 5G ?