Difference between OPPO REALME C15 and ? in United States

	PRODUCT 1	PRODUCT 2
	OPPO OPPO REALME C15
VERSION
Announced	2020
Release date	2020
NETWORK
Technology
DEVICE
Dimensions	164.5 x 75.9 x 9.8 mm
Weight	209 g
S.I.M.	Double SIM
Design	8 MP
Other
SCREEN
langfront.Type
Size	6.5 inches
Resolution	720 x 1560 pixels
Protection	Corning Gorilla Glass

PLATFORM
Operating system	Android 10,realme UI 1.0,
Chipset	MediaTek Helio G35 (12nm)
Processor	Octa-core 2.3 GHz Cortex-A53
GPU	PowerVR GE8320
MEMORY
Card slot	microSDXC
Internal & RAM	64GB 3GB RAM, 64GB 4GB RAM
CAMERA
Main	13 MP + 8 MP + 2 MP + 2 MP
SOUND
Loudspeaker	✔️
Jack 3,5 mm	✔️
CONNECTIVITY
Wifi
Bluetooth
GPS
NFC
Radio	FM Radio
USB	microUSB 2.0
CHARACTERISTICS
Sensors	Fingerprint (rear mounted),accelerometer,proximity,compass,
Various	18W fast battery charging
BATTERY
Type	6000 mAh

What is the difference between OPPO REALME C15 and in United States?