Difference between VIVO X70 PRO and OPPO R15X ?

	PRODUCT 1	PRODUCT 2
	VIVO VIVO X70 PRO	OPPO OPPO R15X
VERSION
Announced	September 2021	2018
Release date	September 2021	2018
NETWORK
Technology	5G
DEVICE
Dimensions
Weight
S.I.M.	Dual SIM
Design	32MP	25MP
Other
SCREEN
langfront.Type	AMOLED,120Hz,HDR10+,
Size	6.56 inches	6.4 inches
Resolution	1080 x 2376 pixels	1080 x 2340 pixels
Protection

PLATFORM
Operating system	Android 11,Funtouch OS 12,	Android 8.1 (Oreo)
Chipset	Exynos 1080 (5nm)
Processor	Octa-core (1x2.8 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)	Octa-core (4x2.0 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
GPU	Mali-G78 MP10
MEMORY
Card slot	❌	❌
Internal & RAM	128GB 8GB RAM or 256GB 8GB RAM or 256GB 12GB RAM or 512GB 12GB RAM	128 GB, 6 GB RAM
CAMERA
Main	50 MP + 8 MP (5x optical zoom) + 12 MP (2x optical zoom) + 12 MP (116˚)	Dual 16 MP & 2 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	❌	✔️
CONNECTIVITY
Wifi	✔️
Bluetooth	✔️
GPS	✔️	✔️
NFC	✔️
Radio	❌	❌
USB	USB Type-C 2.0	microUSB 2.0,
CHARACTERISTICS
Sensors	Fingerprint (under display,optical),accelerometer,gyro,proximity,compass,color spectrum / Fingerprint (under screen),optical),accelerometer,gyroscope,proximity,compass,color spectrum,	Fingerprint reader under the screen
Various	Fast Charging 44W / Fast battery charge 44W
BATTERY
Type	4450 mAh	3500 mAh

What is the difference between VIVO X70 PRO and OPPO R15X ?