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

	PRODUCT 1	PRODUCT 2
	XIAOMI XIAOMI REDMI NOTE 9 PRO	XIAOMI XIAOMI REDMI K20 PRO
VERSION
Announced	2020	2019
Release date	2020	2019
NETWORK
Technology
DEVICE
Dimensions	165.8 x 76.7 x 8.8 mm	156.7 x 74.3 x 8.8 mm
Weight	209 g	191 g
S.I.M.	Double SIM	Double SIM
Design	16MP	20 MP motorized popup
Other		HDR
SCREEN
langfront.Type
Size	6.67 inches	6.39 inches
Resolution	1080 x 2400 pixels	1080 x 2340 pixels
Protection	Gorilla Glass 5	Gorilla Glass 5
PLATFORM
Operating system	Android 10; MIUI 11	Android 9.0 (Pie); MIUI 10
Chipset	Qualcomm SM7125 Snapdragon 720G (8nm)	Qualcomm SDM855 Snapdragon 855 (7nm)
Processor	Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)	Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
GPU	Adreno 618	Adreno 640
MEMORY
Card slot	microSDXC	❌
Internal & RAM	64GB 6GB RAM	256 GB, 8 GB RAM ou 128 GB, 6/8 GB RAM ou 64 GB, 6 GB RAM
CAMERA
Main	64 MP + 12 MP + 5 MP + 2 MP	48 MP + 8 MP + 13 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC	✔️	✔️
Radio		✔️
USB	2.0,Type-C 1.0,	2.0,Type-C 1.0,
CHARACTERISTICS
Sensors	Fingerprint (lateral),accelerometer,gyroscope,proximity,compass,infrared port,	Fingerprint (under display),accelerometer,gyroscope,proximity,compass,
Various	30W fast battery charging	27W fast battery charging
BATTERY
Type	5050 mAh	4000 mAh

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