Difference between REALME WATCH S and XIAOMI A2 LITE ? in United States

	PRODUCT 1	PRODUCT 2
	REALME REALME WATCH S	XIAOMI XIAOMI A2 LITE
VERSION
Announced	2020
Release date	2020	2018
NETWORK
Technology	❌
DEVICE
Dimensions	47 x 47 x 12 mm (1.85 x 1.85 x 0.47 in)
Weight	48 (g1.69 oz)
S.I.M.	❌
Design	Glass front,aluminum frame,plastic back / Glass facade,aluminum frame,plastic back,
Other	IP68 dust/water resistant -- IP68 dust and water resistant
SCREEN
langfront.Type	IPS LCD
Size	1.3 inches	5.84 inches - 1080 x 2280 pixels
Resolution	360 x 360 pixels
Protection	Corning Gorilla Glass

PLATFORM
Operating system	--	Android 8.1 (Oreo); Android One
Chipset	--
Processor	--	Octa-core 2.0 GHz Cortex-A53
GPU	--
MEMORY
Card slot	❌
Internal & RAM	--	64 GB, 4 GB RAM or 32 GB, 3 GB RAM
CAMERA
Main	❌	Dual 12MP and 5 MP - Selfi 5 MP
SOUND
Loudspeaker	❌
Jack 3,5 mm	❌
CONNECTIVITY
Wifi
Bluetooth
GPS
NFC
Radio
USB
CHARACTERISTICS
Sensors	Accelerometer,heart rate,SpO2 / Accelerometer,cardiac frequency,SpO2,
Various	Wireless charging / Chargement sans fil
BATTERY
Type	390 mAh	4000 mAh

What is the difference between REALME WATCH S and XIAOMI A2 LITE in United States?