Difference between MEIZU 21 PRO and OUKITEL BT80 ? in countries.United States

	PRODUCT 1	PRODUCT 2
	MEIZU MEIZU 21 PRO	OUKITEL OUKITEL BT80
VERSION
Announced	February 2024	April 2024
Release date	March 2024	May 2024
NETWORK
Technology	5G	❌
DEVICE
Dimensions	165 x 74.4 x 8 mm (6.50 x 2.93 x 0.31 in)	52.7 x 44.5 x 14.2 mm (2.07 x 1.75 x 0.56 in)
Weight	208 g or 214 g
S.I.M.
Design	32MP
Other	IP68 dust/water resistant	Waterproof (2ATM) 20m
SCREEN
langfront.Type	LTPO AMOLED,1B colors,120Hz,HDR10+,	AMOLED
Size	6.79 inches	2.13 inches
Resolution	1368 x 3192 pixels	410 x 502 pixels
Protection	Meizu Titan Glass 2.0	Tempered glass

PLATFORM
Operating system	Android, Flyme	Proprietary OS
Chipset	Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
Processor	Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU	Adreno 750
MEMORY
Card slot	❌	❌
Internal & RAM	256GB 12GB RAM or 512GB 16GB RAM or 1TB 16GB RAM
CAMERA
Main	50 MP (Optical Image Stabilization) + 13 MP (122˚) + 10 MP (3x optical zoom)	❌
SOUND
Loudspeaker	Yes, with stereo speakers	✔️
Jack 3,5 mm	❌
CONNECTIVITY
Wifi	dual-band	❌
Bluetooth	5.4	5.2
GPS	✔️	❌
NFC	✔️	❌
Radio	❌	❌
USB	USB Type-C	❌
CHARACTERISTICS
Sensors	Fingerprint (under display,ultrasonic),accelerometer,gyro,proximity,compass,barometer,infrared port,	Accelerometer, heart rate, SpO2, blood pressure, barometer, compass
Various	Fast charging 80W,Fast wireless charging 50W,Reverse wireless charging 10W,
BATTERY
Type	5050 mAh	1000 mAh

What is the difference between MEIZU 21 PRO and OUKITEL BT80 in countries.United States?