Difference between XIAOMI REDMI K20 PRO and OPPO RENO4 ? in countries.United States

	PRODUCT 1	PRODUCT 2
	XIAOMI XIAOMI REDMI K20 PRO	OPPO OPPO RENO4
VERSION
Announced	2019	2020
Release date	2019	2020
NETWORK
Technology
DEVICE
Dimensions	156.7 x 74.3 x 8.8 mm	160.3 x 73.9 x 7.7 mm
Weight	191 g	165 g
S.I.M.	Double SIM	Double SIM
Design	20 MP motorized popup	32MP
Other	HDR
SCREEN
langfront.Type
Size	6.39 inches	6.4 inches
Resolution	1080 x 2340 pixels	1080 x 2400 pixels
Protection	Gorilla Glass 5

PLATFORM
Operating system	Android 9.0 (Pie); MIUI 10	Android 10,ColorOS 7.2,
Chipset	Qualcomm SDM855 Snapdragon 855 (7nm)	Qualcomm SM7125 Snapdragon 720G (8nm)
Processor	Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)	Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
GPU	Adreno 640	Adreno 618
MEMORY
Card slot	❌	microSDXC
Internal & RAM	256 GB, 8 GB RAM ou 128 GB, 6/8 GB RAM ou 64 GB, 6 GB RAM	128GB 8GB RAM
CAMERA
Main	48 MP + 8 MP + 13 MP	48 MP + 8 MP + 2 MP + 2 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC	✔️
Radio	✔️	FM Radio
USB	2.0,Type-C 1.0,	2.0,Type-C 1.0,
CHARACTERISTICS
Sensors	Fingerprint (under display),accelerometer,gyroscope,proximity,compass,	Fingerprint (under screen,optical),accelerometer,gyroscope,proximity,compass,
Various	27W fast battery charging	30W fast battery charging
BATTERY
Type	4000 mAh	4015 mAh

What is the difference between XIAOMI REDMI K20 PRO and OPPO RENO4 in countries.United States?