Difference between OPPO RENO Z and ZTE NUBIA Z18S ?

	PRODUCT 1	PRODUCT 2
	OPPO OPPO RENO Z	ZTE ZTE NUBIA Z18S
VERSION
Announced	2019	2018
Release date	2019	2018
NETWORK
Technology
DEVICE
Dimensions	157.3 x 74.9 x 9.1 mm
Weight	186 g
S.I.M.	Double SIM
Design	32MP	2160p@30fps,1080p@30fps,
Other	HDR 10
SCREEN
langfront.Type
Size	6.4 inches	6.26 inches - 1080 x 2280 pixels
Resolution	1080 x 2340 pixels
Protection

PLATFORM
Operating system	Android 9.0 (Pie); ColorOS 6	Android 8.1 (Oreo)
Chipset	Mediatek MT6779 Helio P90 (12nm)
Processor	Octa-core (2x2.2 GHz Cortex-A75 & 6x2.0 GHz Cortex-A55)	Octa-core (4x2.65 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
GPU	PowerVR GM9446
MEMORY
Card slot	❌	❌
Internal & RAM	128/256 GB, 6 GB RAM	128 GB, 8 GB RAM or 64 GB, 6 GB RAM
CAMERA
Main	48 MP + 5 MP	Dual 24 MP & 16 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	❌
CONNECTIVITY
Wifi	✔️
Bluetooth	✔️
GPS	✔️	✔️
NFC	✔️
Radio	❌	❌
USB	Type-C 1.0	Type-C 1.0
CHARACTERISTICS
Sensors	Fingerprint (under display),accelerometer,gyroscope,proximity,compass,	Fingerprint reader
Various	20W fast battery charging
BATTERY
Type	4035 mAh	3800 mAh

What is the difference between OPPO RENO Z and ZTE NUBIA Z18S ?