Difference between XIAOMI REDMI K50 and XIAOMI REDMI A2 ? in United States

	PRODUCT 1	PRODUCT 2
	XIAOMI XIAOMI REDMI K50	XIAOMI XIAOMI REDMI A2
VERSION
Announced	March 2022	March 2023
Release date	March 2022	March 2023
NETWORK
Technology	5G	4G
DEVICE
Dimensions	163.1 x 76.2 x 8.5 mm (6.42 x 3.00 x 0.33 in)	164.9 x 76.8 x 9.1 mm (6.49 x 3.02 x 0.36 in)
Weight	201 (g7.09 oz)	192 (g6.77 oz)
S.I.M.	Dual SIM
Design	20 MP (1080p@30/120fps)	5 MP (1080p@30fps)
Other	IP53,dust and splash resistant,
SCREEN
langfront.Type	OLED,120Hz,Dolby Vision,HDR10+,	IPS LCD
Size	6.67 inches	6.52 inches
Resolution	1440 x 3200 pixels	720 x 1600 pixels
Protection	Corning Gorilla Glass Victus

PLATFORM
Operating system	Android 12,MIUI 13,	Android 12 (Go edition),MIUI,
Chipset	MediaTek Dimensity 8100 (5nm)	Mediatek Helio G36 (12nm)
Processor	Octa-core (4x2.85 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)	Octa-core (4x2.2 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53)
GPU	Mali-G610	PowerVR GE8320
MEMORY
Card slot	❌	microSDXC
Internal & RAM	128GB 8GB RAM or 256GB 8GB RAM or 256GB 12GB RAM	32GB 2GB RAM or 32GB 3GB RAM
CAMERA
Main	48 MP + 8 MP (119˚) + 2 MP	8 MP + Depth CAMERA
SOUND
Loudspeaker	Yes, with stereo speakers	✔️
Jack 3,5 mm	❌	✔️
CONNECTIVITY
Wifi	dual-band,Wi-Fi Direct,hotspot,	✔️
Bluetooth	5.3	5.0
GPS	✔️	✔️
NFC	✔️	❌
Radio	❌	FM Radio
USB	USB Type-C 2.0	microUSB 2.0
CHARACTERISTICS
Sensors	Fingerprint (side-mounted),accelerometer,gyro,proximity,compass,color spectrum,	Accelerometer
Various	Fast charging 67W,Power Delivery 3.0,Quick Charge 3+,	Charging 10W
BATTERY
Type	5500 mAh	5000 mAh

What is the difference between XIAOMI REDMI K50 and XIAOMI REDMI A2 in United States?