Difference between OPPO RENO4 and OPPO A9 (2020) ?

	PRODUCT 1	PRODUCT 2
	OPPO OPPO RENO4	OPPO OPPO A9 (2020)
VERSION
Announced	2020	2019
Release date	2020	2019
NETWORK
Technology
DEVICE
Dimensions	160.3 x 73.9 x 7.7 mm	163.6 x 75.6 x 9.1 mm
Weight	165 g	195 g
S.I.M.	Double SIM	Double SIM
Design	32MP	16MP
Other
SCREEN
langfront.Type
Size	6.4 inches	6.5 inches
Resolution	1080 x 2400 pixels	720 x 1600 pixels
Protection		Gorilla Glass 3
PLATFORM
Operating system	Android 10,ColorOS 7.2,	Android 9.0 (Pie); ColorOS 6.1
Chipset	Qualcomm SM7125 Snapdragon 720G (8nm)	Qualcomm SDM665 Snapdragon 665 (11nm)
Processor	Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)	Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU	Adreno 618	Adreno 610
MEMORY
Card slot	microSDXC	microSD, jusqu`à 256 Go
Internal & RAM	128GB 8GB RAM	128GB 4GB RAM
CAMERA
Main	48 MP + 8 MP + 2 MP + 2 MP	48 MP + 8 MP + 2 MP + 2 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC
Radio	FM Radio	FM Radio
USB	2.0,Type-C 1.0,	microUSB 2.0
CHARACTERISTICS
Sensors	Fingerprint (under screen,optical),accelerometer,gyroscope,proximity,compass,	Fingerprint (rear mounted),accelerometer,gyroscope,proximity,compass,
Various	30W fast battery charging	10W Fast Battery Charging - Reverse Charging
BATTERY
Type	4015 mAh	5000 mAh

What is the difference between OPPO RENO4 and OPPO A9 (2020) ?