Difference between ASUS ZENFONE MAX - M2 and VIVO Y20 2021 ? in countries.United States

	PRODUCT 1	PRODUCT 2
	ASUS ASUS ZENFONE MAX - M2	VIVO VIVO Y20 2021
VERSION
Announced	2018	2020
Release date	2018	2021
NETWORK
Technology		GSM / HSPA / LTE
DEVICE
Dimensions	158.4 x 76.3 x 7.7 mm	164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in)
Weight	160 g	192 (g6.77 oz)
S.I.M.		Dual SIM
Design		8 MP
Other
SCREEN
langfront.Type		IPS LCD
Size	6.3 inches - 720 x 1520 pixels	6.51 inches
Resolution		720 x 1600 pixels
Protection

PLATFORM
Operating system	Android 8.1 (Oreo)	Android 10,Funtouch 11,
Chipset	Qualcomm SDM632 Snapdragon 632 (14nm)	Mediatek MT6765 Helio P35 (12nm)
Processor	Octa-core (4x1.8 GHz Kryo 250 Gold & 4x1.8 GHz Kryo 250 Silver)	Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU	Adreno 506	PowerVR GE8320
MEMORY
Card slot	microSD, up to 512 GB	microSDXC
Internal & RAM	32 GB, 3 GB RAM	64GB 4GB RAM
CAMERA
Main	13 MP + 2 MP - Selfie 8 MP	13 MP + 2 MP + 2 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi		✔️
Bluetooth		✔️
GPS	✔️	✔️
NFC		❌
Radio	✔️	FM Radio
USB	microUSB 2.0	microUSB 2.0
CHARACTERISTICS
Sensors	Fingerprint reader	Fingerprint (side-mounted),accelerometer,gyro,proximity,compass / Fingerprint (lateral),
Various		Fast Charging 10W / Fast battery charge 10W
BATTERY
Type	4000 mAh	5000 mAh

What is the difference between ASUS ZENFONE MAX - M2 and VIVO Y20 2021 in countries.United States?