Difference between REALME GT NEO FLASH and REALME C21Y ? in countries.United States

	PRODUCT 1	PRODUCT 2
	REALME REALME GT NEO FLASH	REALME REALME C21Y
VERSION
Announced	May 2021	June 2021
Release date	May 2021	June 2021
NETWORK
Technology	5G	4G
DEVICE
Dimensions
Weight	179 (g6.31 oz) ☺	200 (g7.05 oz)
S.I.M.	Dual SIM	Dual SIM
Design	16 MP (1080p@30fps)	5 MP
Other
SCREEN
langfront.Type	Super AMOLED,120Hz ♥,	IPS LCD
Size	6.43 inches	6.5 inches
Resolution	1080 x 2400 pixels	720 x 1600 pixels
Protection

PLATFORM
Operating system	Android 11,Realme UI 2.0,	Android 10,Realme UI,
Chipset	MediaTek MT6893 Dimensity 1200 5G (6nm) ☺	Unisoc T610 (12nm)
Processor	Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)	Octa-core
GPU	Mali-G77 MC9	Mali-G52
MEMORY
Card slot	❌	microSDXC
Internal & RAM	128GB 6GB RAM or 128GB 8GB RAM or 256GB 12GB RAM	64GB 4GB RAM
CAMERA
Main	64 MP + 8 MP (119˚) + 2 MP ☺	13 MP + 2 MP + 2 MP
SOUND
Loudspeaker	Yes, with stereo speakers / Oui, avec haut-parleurs stéréo	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC	✔️	❌
Radio	❌
USB	USB Type-C 2.0	microUSB 2.0
CHARACTERISTICS
Sensors	Fingerprint (under display,optical),accelerometer,gyro,proximity,compass ☺/ Fingerprint (under screen),optical),accelerometer,gyroscope,proximity,compass ☺,	Fingerprint (rear-mounted),accelerometer,proximity,compass / Fingerprint (rear mounted),accelerometer,proximity,compass,
Various	Fast Charging 65W ♥ / Fast battery charge 65W ♥	Reverse charging / Recharge invertes
BATTERY
Type	4500 mAh	5000 mAh

What is the difference between REALME GT NEO FLASH and REALME C21Y in countries.United States?