Difference between OPPO REALME X2 PRO and ?

	PRODUCT 1	PRODUCT 2
	OPPO OPPO REALME X2 PRO
VERSION
Announced	2019
Release date	2019
NETWORK
Technology
DEVICE
Dimensions	161 x 75.7 x 8.7 mm
Weight	199 g
S.I.M.	Double SIM
Design	16MP
Other	1000 nits max brightness - 90Hz - HDR10+ - DCI-P3 100%
SCREEN
langfront.Type
Size	6.5 inches
Resolution	1080 x 2400 pixels
Protection	Corning Gorilla Glass 5

PLATFORM
Operating system	Android 9.0 (Pie),planned upgrade to Android 10.0; ColorOS 6.1,
Chipset	Qualcomm SDM855 Snapdragon 855+ (7nm)
Processor	Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
GPU	Adreno 640
MEMORY
Card slot	❌
Internal & RAM	64GB 6GB RAM, 128GB 8GB RAM, 256GB 12GB RAM
CAMERA
Main	64 MP + 13 MP + 8 MP + 2 MP
SOUND
Loudspeaker	Oui, avec les haut-parleurs stéréo Dolby Atmos
Jack 3,5 mm	✔️
CONNECTIVITY
Wifi	✔️
Bluetooth	✔️
GPS	✔️
NFC	✔️
Radio	FM Radio
USB	2.0,Type-C 1.0,
CHARACTERISTICS
Sensors	Fingerprint (under display,optical),accelerometer,gyro,proximity,compass,
Various	50W fast battery charging
BATTERY
Type	4000 mAh

What is the difference between OPPO REALME X2 PRO and ?