Difference between SAMSUNG GALAXY A9 - 2018 and OPPO A2 ?

	PRODUCT 1	PRODUCT 2
	SAMSUNG SAMSUNG GALAXY A9 - 2018	OPPO OPPO A2
VERSION
Announced	2018	November 2023
Release date	2018	November 2023
NETWORK
Technology		5G
DEVICE
Dimensions		165.6 x 76 x 8 mm (6.52 x 2.99 x 0.31 in)
Weight		193 (g6.81 oz)
S.I.M.	Duel
Design	2160p@30fps,1080p@30fps,	8 MP (1080p@30fps)
Other		IP54,dust and splash resistant,
SCREEN
langfront.Type		IPS LCD,90Hz,
Size	6.3 inches - 1080 x 2220 pixels	6.72 inches
Resolution		1080 x 2400
Protection		Panda glass

PLATFORM
Operating system	Android 8.0 (Oreo)	Android 13,ColorOS 13.1,
Chipset		Mediatek Dimensity 6020 (7nm)
Processor	Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)	Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU		Mali-G57 MC2
MEMORY
Card slot	microSD, up to 512 GB	microSDXC
Internal & RAM	128 GB, 6/8 GB RAM	256GB 12GB RAM or 512GB 12GB RAM
CAMERA
Main	Quatre 24 MP & 8 MP & 10 MP & 5 MP Single 24 MP	50 MP (f/1.8) + 2 MP (depth)
SOUND
Loudspeaker	✔️	Yes, with stereo speakers
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi		dual-band
Bluetooth		5.3
GPS	✔️	✔️
NFC	✔️	❌
Radio	FM radio	❌
USB	2.0,Type-C 1.0,	USB Type-C 2.0
CHARACTERISTICS
Sensors	Fingerprint reader	Fingerprint (side-mounted),accelerometer,proximity,compass,
Various	Fast charge	Faster Charging 33W (50% in 30min)
BATTERY
Type	3800 mAh	5000 mAh

What is the difference between SAMSUNG GALAXY A9 - 2018 and OPPO A2 ?