Difference between XIAOMI REDMI 9A and XIAOMI REDMI K20 PRO ?

	PRODUCT 1	PRODUCT 2
	XIAOMI XIAOMI REDMI 9A	XIAOMI XIAOMI REDMI K20 PRO
VERSION
Announced	2020	2019
Release date	2020	2019
NETWORK
Technology
DEVICE
Dimensions		156.7 x 74.3 x 8.8 mm
Weight		191 g
S.I.M.	Double SIM	Double SIM
Design	5 MP	20 MP motorized popup
Other		HDR
SCREEN
langfront.Type
Size	6.53 inches	6.39 inches
Resolution	720 x 1600 pixels	1080 x 2340 pixels
Protection		Gorilla Glass 5

PLATFORM
Operating system	Android 10,MIUI 12,	Android 9.0 (Pie); MIUI 10
Chipset	MediaTek Helio G25 (12nm)	Qualcomm SDM855 Snapdragon 855 (7nm)
Processor	Octa-core 2.0 GHz Cortex-A53	Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
GPU	PowerVR GE8320 (650 MHz)	Adreno 640
MEMORY
Card slot	microSDXC	❌
Internal & RAM	32GB 2GB RAM	256 GB, 8 GB RAM ou 128 GB, 6/8 GB RAM ou 64 GB, 6 GB RAM
CAMERA
Main	13 MP	48 MP + 8 MP + 13 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC		✔️
Radio		✔️
USB	2.0,Type-C,	2.0,Type-C 1.0,
CHARACTERISTICS
Sensors	Fingerprint (rear mounted),accelerometer,gyroscope,proximity,	Fingerprint (under display),accelerometer,gyroscope,proximity,compass,
Various		27W fast battery charging
BATTERY
Type	5000 mAh	4000 mAh

What is the difference between XIAOMI REDMI 9A and XIAOMI REDMI K20 PRO ?