Difference between OPPO F9 PRO and ASUS ZENFONE MAX PRO - M2 ? in countries.United States

	PRODUCT 1	PRODUCT 2
	OPPO OPPO F9 PRO	ASUS ASUS ZENFONE MAX PRO - M2
VERSION
Announced		2018
Release date	2018	2018
NETWORK
Technology
DEVICE
Dimensions		157.9 x 75.5 x 8.5 mm
Weight		170 g
S.I.M.
Design		1080p@30fps
Other
SCREEN
langfront.Type
Size	6.3 inches - 1080 x 2340 pixels	6.3 inches - 1080 x 2280 pixels
Resolution
Protection

PLATFORM
Operating system	Android 8.1 (Oreo)	Android 8.1 (Oreo)
Chipset		Qualcomm SDM660 Snapdragon 660 (14nm)
Processor	Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)	Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
GPU		Adreno 512
MEMORY
Card slot		microSD, up to 512 GB
Internal & RAM	64 GB, 6 GB or 4 GB RAM	64 GB, 4 GB RAM
CAMERA
Main	Dual 16MP & 2MP - Selfie 25MP	12 MP + 5 MP - Selfie 13 MP
SOUND
Loudspeaker		✔️
Jack 3,5 mm		✔️
CONNECTIVITY
Wifi		✔️
Bluetooth		✔️
GPS		✔️
NFC		✔️
Radio		✔️
USB		microUSB 2.0
CHARACTERISTICS
Sensors		Fingerprint reader
Various		accelerometer,proximity,compass,gyroscope,
BATTERY
Type	3500 mAh	5000 mAh

What is the difference between OPPO F9 PRO and ASUS ZENFONE MAX PRO - M2 in countries.United States?