Difference between XIAOMI MI 6 and OPPO K9 ? in United States

	PRODUCT 1	PRODUCT 2
	XIAOMI XIAOMI MI 6	OPPO OPPO K9
VERSION
Announced		May 2021
Release date	2017	May 2021
NETWORK
Technology		5G
DEVICE
Dimensions
Weight		172 (g6.07 oz)
S.I.M.		Dual SIM
Design		32 MP (1080p@30fps)
Other
SCREEN
langfront.Type		Super AMOLED,90Hz,
Size	5.15 inches - 1080 x 1920 pixels	6.43 inches
Resolution		1080 x 2400 pixels
Protection

PLATFORM
Operating system	Android 7.1.1 (Nougat)	Android 11,ColorOS 11.1,
Chipset		Qualcomm SM7250-AC Snapdragon 768G 5G (7nm)
Processor	Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)	Octa-core (1x2.8 GHz Kryo 475 Prime & 1x2.4 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
GPU		Adreno 620
MEMORY
Card slot		❌
Internal & RAM	64/128 GB, 6 GB RAM or 64 GB, 4 GB RAM	128GB 8GB RAM or 256GB 8GB RAM
CAMERA
Main	Dual 12 MP & 12 MP - Selfie 8 MP	64 MP + 8 MP + 2 MP
SOUND
Loudspeaker		✔️
Jack 3,5 mm		✔️
CONNECTIVITY
Wifi		✔️
Bluetooth		✔️
GPS		✔️
NFC		❌
Radio		❌
USB		USB Type-C 2.0
CHARACTERISTICS
Sensors		Fingerprint (under display,optical),accelerometer,gyro,proximity,compass / Fingerprint (under screen),optical),accelerometer,gyroscope,proximity,compass,
Various		Fast Charging 65W (100% in 35 min) / Fast battery charge 65W (100% in 35 min)
BATTERY
Type	3350 mAh	4300 mAh (100% in 35 min)

What is the difference between XIAOMI MI 6 and OPPO K9 in United States?