Difference between ZTE AXON 20 5G EXTREME and OPPO K3 ?

	PRODUCT 1	PRODUCT 2
	ZTE ZTE AXON 20 5G EXTREME	OPPO OPPO K3
VERSION
Announced	2020	2019
Release date	2020	2019
NETWORK
Technology	GSM / CDMA / HSPA / LTE / 5G
DEVICE
Dimensions	172.1 x 77.9 x 8 mm (6.78 x 3.07 x 0.31 in)	161.2 x 76 x 9.4 mm
Weight	198 (g6.98 oz)	191 g
S.I.M.	Dual SIM	Double SIM
Design	32 MP under display	16 MP motorized popup
Other
SCREEN
langfront.Type	OLED,90Hz,
Size	6.92 inches	6.5 inches
Resolution	1080 x 2460 pixels	1080 x 2340 pixels
Protection		Gorilla Glass 5
PLATFORM
Operating system	Android 10,MiFavor 10.5,	Android 9.0 (Pie); ColorOS 6
Chipset	Qualcomm SDM765 Snapdragon 765G (7nm)	Qualcomm SDM710 Snapdragon 710 (10nm)
Processor	Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)	Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU	Adreno 620	Adreno 616
MEMORY
Card slot	microSDXC	❌
Internal & RAM	256GB 12GB RAM	128/256 GB, 8 GB RAM ou 64 GB, 6 GB RAM
CAMERA
Main	64 MP + 8 MP + 2 MP + 2 MP	16 MP + 2 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	❌	✔️
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	✔️
NFC	✔️
Radio	❌
USB	Type-C 3.1	2.0,Type-C 1.0,
CHARACTERISTICS
Sensors	Fingerprint (under display,optical),accelerometer,gyro,proximity,compass / Fingerprint (under screen),optical),	Fingerprint (under display),accelerometer,gyroscope,proximity,compass,
Various	Fast Charging 30W - Quick Charge 4+ / Fast battery charge 30W	20W fast battery charging
BATTERY
Type	4220 mAh	3765 mAh

What is the difference between ZTE AXON 20 5G EXTREME and OPPO K3 ?