Difference between VIVO IQOO 7 and ZTE NUBIA X ?

	PRODUCT 1	PRODUCT 2
	VIVO VIVO IQOO 7	ZTE ZTE NUBIA X
VERSION
Announced	2021	2018
Release date	2021	2018
NETWORK
Technology	GSM / CDMA / HSPA / EVDO / LTE / 5G
DEVICE
Dimensions	162.2 x 75.8 x 8.7 mm (6.39 x 2.98 x 0.34 in)	154.1 x 73.3 x 8.4 mm
Weight	209.5 (g7.41 oz)	181 g
S.I.M.	Dual SIM
Design	16MP	❌
Other		OLED,5.1 inches,720 x 1520 pixels,
SCREEN
langfront.Type	AMOLED,120Hz,HDR10+,
Size	6.62 inches	6.26 inches
Resolution	1080 x 2400 pixels	1080 x 2280 pixels
Protection

PLATFORM
Operating system	Android 11,OriginOS,	Android 8.1 (Oreo)
Chipset	Qualcomm SM8350 Snapdragon 888 (5nm)
Processor	Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680	Octa-core
GPU	Adreno 660
MEMORY
Card slot	❌	❌
Internal & RAM	128GB 8GB RAM, 256GB 12GB RAM	128/256 GB, 8 GB RAM or 64 GB, 6 GB RAM
CAMERA
Main	48 MP + 13 MP + 13 MP	16 MP + 24 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	❌	❌
CONNECTIVITY
Wifi	✔️
Bluetooth	✔️
GPS	✔️	✔️
NFC	✔️
Radio	❌	❌
USB	Type-C	Type-C 1.0
CHARACTERISTICS
Sensors	Fingerprint (under display,optical),accelerometer,gyro,proximity,compass,color spectrum / Fingerprint (under screen),optical),accelerometer,gyroscope,proximity,compass,color spectrum,	Fingerprint reader
Various	Fast charging 120W / Quick charge 120W	Fast charge
BATTERY
Type	4000 mAh	3800 mAh

What is the difference between VIVO IQOO 7 and ZTE NUBIA X ?