Difference between ZTE NUBIA Z20 and ?

	PRODUCT 1	PRODUCT 2
	ZTE ZTE NUBIA Z20
VERSION
Announced	2019
Release date	2019
NETWORK
Technology
DEVICE
Dimensions	158.6 x 75.2 x 9.2 mm
Weight	186 g
S.I.M.	Double SIM
Design	Uses main cameras
Other	Secondary screen (rear): AMOLED,5,1 inch,1080 x 2340 pixels,
SCREEN
langfront.Type
Size	6.42 inches
Resolution	1080 x 2340 pixels
Protection	Corning Gorilla Glass

PLATFORM
Operating system	Android 9.0 (Pie); Nubia UI 7
Chipset	Qualcomm SDM855 Snapdragon 855+ (7nm)
Processor	Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPU	Adreno 640 (700 MHz)
MEMORY
Card slot	❌
Internal & RAM	128GB 6GB RAM, 128GB 8GB RAM, 512GB 8GB RAM
CAMERA
Main	48 MP + 8 MP + 16 MP
SOUND
Loudspeaker	✔️
Jack 3,5 mm	❌
CONNECTIVITY
Wifi	✔️
Bluetooth	✔️
GPS	✔️
NFC
Radio	❌
USB	Type-C 1.0
CHARACTERISTICS
Sensors	Dual fingerprint (side mounted),accelerometer,gyroscope,proximity,compass,
Various	27W fast battery charging
BATTERY
Type	4000 mAh

What is the difference between ZTE NUBIA Z20 and ?