Difference between OUKITEL BT80 and VIVO IQOO Z9 ? in countries.United States

	PRODUCT 1	PRODUCT 2
	OUKITEL OUKITEL BT80	VIVO VIVO IQOO Z9
VERSION
Announced	April 2024	March 2024
Release date	May 2024	March 2024
NETWORK
Technology	❌	5G
DEVICE
Dimensions	52.7 x 44.5 x 14.2 mm (2.07 x 1.75 x 0.56 in)	163.2 x 75.8 x 7.8 mm (6.43 x 2.98 x 0.31 in)
Weight		188 (g6.63 oz)
S.I.M.
Design		16 MP (1080p@30fps)
Other	Waterproof (2ATM) 20m	IP54,dust and splash resistant,
SCREEN
langfront.Type	AMOLED	AMOLED,120Hz,HDR,
Size	2.13 inches	6.67 inches
Resolution	410 x 502 pixels	1080 x 2400 pixels
Protection	Tempered glass	Dragontrail Star 2 Plus

PLATFORM
Operating system	Proprietary OS	Android 14, Funtouch 14
Chipset		Mediatek Dimensity 7200 (4nm)
Processor		Octa-core (2x2.8 GHz Cortex-A715 & 6x Cortex-A510)
GPU		Mali-G610 MC4
MEMORY
Card slot	❌	microSDXC
Internal & RAM		128GB 8GB RAM or 256GB 8GB RAM
CAMERA
Main	❌	50 MP (f/1.8) (Optical Image Stabilization) + 2 MP (depth)
SOUND
Loudspeaker	✔️	Yes, with stereo speakers
Jack 3,5 mm		✔️
CONNECTIVITY
Wifi	❌	dual-band,Wi-Fi Direct,
Bluetooth	5.2	5.3
GPS	❌	✔️
NFC	❌	❌
Radio	❌	❌
USB	❌	USB Type-C 2.0
CHARACTERISTICS
Sensors	Accelerometer, heart rate, SpO2, blood pressure, barometer, compass	Fingerprint (under display,optical),accelerometer,gyro,proximity,compass,
Various		Faster Charging 44W (50% in 30 min)
BATTERY
Type	1000 mAh	5000 mAh

What is the difference between OUKITEL BT80 and VIVO IQOO Z9 in countries.United States?