Difference between ULEFONE ARMOR 21 and OPPO A83 ? in United States

	PRODUCT 1	PRODUCT 2
	ULEFONE ULEFONE ARMOR 21	OPPO OPPO A83
VERSION
Announced	May 2023
Release date	May 2023	2018
NETWORK
Technology	4G
DEVICE
Dimensions	176 x 81.6 x 18.1 mm (6.93 x 3.21 x 0.71 in)
Weight	400 (g14.11 oz)
S.I.M.
Design	16 MP (1080p@30fps)
Other	IP68/IP69K dust/water resistant,Drop-to-concrete resistance,Accessory connector (ulefone endoscope,microscope),
SCREEN
langfront.Type	IPS LCD,120Hz,
Size	6.58 inches	5.7 inches - 720 x 1440 pixels
Resolution	1080 x 2408 pixels
Protection

PLATFORM
Operating system	Android 13	Android 7.1 (Nougat)
Chipset	Mediatek MT8781 Helio G99 (6nm)
Processor	Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)	Octa-core 2.5 GHz Cortex-A53
GPU	Mali-G57 MC2
MEMORY
Card slot	microSDXC
Internal & RAM	256GB 8GB RAM	64/32 GB, 4 GB RAM or 32 GB, 3 GB RAM or 16 GB, 2 GB RAM
CAMERA
Main	64 MP + 24 MP (2 infrared night vision lights)	13 MP - Selfie 8 MP
SOUND
Loudspeaker	✔️
Jack 3,5 mm	✔️
CONNECTIVITY
Wifi	dual-band
Bluetooth	5.2
GPS	✔️
NFC	✔️
Radio	Stereo FM radio,recording,
USB	microUSB 2.0
CHARACTERISTICS
Sensors	Fingerprint (side-mounted),accelerometer,proximity,compass,gyro,barometer,infrared port,
Various	Fast Charging 33W
BATTERY
Type	9600 mAh	3180 mAh

What is the difference between ULEFONE ARMOR 21 and OPPO A83 in United States?