Difference between OPPO A7 and SAMSUNG GALAXY QUANTUM 2 ?

	PRODUCT 1	PRODUCT 2
	OPPO OPPO A7	SAMSUNG SAMSUNG GALAXY QUANTUM 2
VERSION
Announced	2018	April 2021
Release date		April 2021
NETWORK
Technology		5G
DEVICE
Dimensions	155.9 x 75.4 x 8.1 mm
Weight	158 g	176 (g6.21 oz)
S.I.M.		Nano-SIM
Design	16MP	10MP
Other
SCREEN
langfront.Type		Dynamic AMOLED 2X,120Hz,
Size	6.2 inches	6.7 inches
Resolution	720 x 1520 pixels	1440 x 3200 pixels
Protection
PLATFORM
Operating system	Android 8.1 (Oreo)	Android 11,One UI 3.1,
Chipset		Qualcomm SM8150 Snapdragon 855+ (7nm)
Processor	Octa-core 1.8 GHz Cortex-A53	Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPU		Adreno 640
MEMORY
Card slot	microSD, up to 256 GB	microSDXC
Internal & RAM	32 GB, 3/4 GB RAM	128GB 6GB RAM
CAMERA
Main	13 MP + 2 MP	64 MP + 12 MP (123˚) + 5 MP
SOUND
Loudspeaker	✔️	Yes, with stereo speakers / Oui, avec haut-parleurs stéréo
Jack 3,5 mm	✔️	❌
CONNECTIVITY
Wifi		✔️
Bluetooth		✔️
GPS	✔️	✔️
NFC		✔️
Radio	✔️	❌
USB	microUSB 2.0	USB Type-C 2.0
CHARACTERISTICS
Sensors	Fingerprint reader	Fingerprint (under display,ultrasonic),accelerometer,gyro,proximity,compass / Fingerprint (under screen),ultrasound),accelerometer,gyroscope,proximity,compass,
Various		Fast Charging 25W / Fast battery charge 25W
BATTERY
Type	4230 mAh	4500 mAh

What is the difference between OPPO A7 and SAMSUNG GALAXY QUANTUM 2 ?