Difference between ZTE NUBIA Z20 and OPPO F17 ?

	PRODUCT 1	PRODUCT 2
	ZTE ZTE NUBIA Z20	OPPO OPPO F17
VERSION
Announced	2019	2020
Release date	2019	2020
NETWORK
Technology
DEVICE
Dimensions	158.6 x 75.2 x 9.2 mm	159.8 x 72.8 x 7.5 mm
Weight	186 g	163 g
S.I.M.	Double SIM	Double SIM
Design	Uses main cameras	16MP
Other	Secondary screen (rear): AMOLED,5,1 inch,1080 x 2340 pixels,
SCREEN
langfront.Type
Size	6.42 inches	6.44 inches
Resolution	1080 x 2340 pixels	1080 x 2400 pixels
Protection	Corning Gorilla Glass
PLATFORM
Operating system	Android 9.0 (Pie); Nubia UI 7	Android 10,ColorOS 7.2,
Chipset	Qualcomm SDM855 Snapdragon 855+ (7nm)	Qualcomm SM6115 Snapdragon 662 (11nm)
Processor	Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)	Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU	Adreno 640 (700 MHz)	Adreno 610
MEMORY
Card slot	❌	microSDXC
Internal & RAM	128GB 6GB RAM, 128GB 8GB RAM, 512GB 8GB RAM	64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
CAMERA
Main	48 MP + 8 MP + 16 MP	48 MP + 8 MP + 2 MP + 2 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	❌	✔️
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC
Radio	❌
USB	Type-C 1.0	2.0,Type-C 1.0,
CHARACTERISTICS
Sensors	Dual fingerprint (side mounted),accelerometer,gyroscope,proximity,compass,	Fingerprint (under screen,optical),accelerometer,proximity,
Various	27W fast battery charging	30W fast charging,50% in 30 min,100% in 53 min,
BATTERY
Type	4000 mAh	4000 mAh

What is the difference between ZTE NUBIA Z20 and OPPO F17 ?