Difference between VIVO X51 5G and ? in United States

	PRODUCT 1	PRODUCT 2
	VIVO VIVO X51 5G
VERSION
Announced	2020
Release date	2020
NETWORK
Technology	GSM / CDMA / HSPA / LTE / 5G
DEVICE
Dimensions	158.5 x 72.8 x 8 mm (6.24 x 2.87 x 0.31 in)
Weight	181.5 (g6.42 oz)
S.I.M.	Dual SIM / Double SIM
Design	32MP
Other
SCREEN
langfront.Type	AMOLED,90Hz,
Size	6.56 inches
Resolution	1080 x 2376 pixels
Protection

PLATFORM
Operating system	Android 10,Funtouch 10,
Chipset	Qualcomm SDM765 Snapdragon 765G (7nm)
Processor	Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
GPU	Adreno 620
MEMORY
Card slot	❌
Internal & RAM	256GB 8GB RAM
CAMERA
Main	48 MP + 8 MP + 13 MP + 8 MP
SOUND
Loudspeaker	✔️
Jack 3,5 mm	❌
CONNECTIVITY
Wifi	✔️
Bluetooth	✔️
GPS	✔️
NFC	✔️
Radio	❌
USB	Type-C 2.0
CHARACTERISTICS
Sensors	Fingerprint (under display,optical),accelerometer,gyro,proximity,compass,color spectrum / Fingerprint (under screen),optical),accelerometer,gyroscope,proximity,compass,color spectrum,
Various	Fast Charging 33W / Fast battery charge 33W
BATTERY
Type	4315 mAh

What is the difference between VIVO X51 5G and in United States?