Difference between SAMSUNG GALAXY C7 PRO and ?

	PRODUCT 1	PRODUCT 2
	SAMSUNG SAMSUNG GALAXY C7 PRO
VERSION
Announced
Release date	2017
NETWORK
Technology	GSM / HSPA / LTE
DEVICE
Dimensions	156.5 x 77.2 x 7 mm
Weight	172 g
S.I.M.	Dual SIM
Design	16MP
Other
SCREEN
langfront.Type
Size	5.7 inches
Resolution	1080 x 1920 pixels
Protection

PLATFORM
Operating system	Android 6.0.1 (Marshmallow)
Chipset	Qualcomm MSM8953-Pro Snapdragon 626
Processor	Octa-core 2.2 GHz Cortex-A53
GPU	Adreno 506
MEMORY
Card slot	microSD, up to 256 GB (uses SIM 2 slot)
Internal & RAM	64 GB, 4 GB RAM
CAMERA
Main	16 MP
SOUND
Loudspeaker	✔️
Jack 3,5 mm	✔️
CONNECTIVITY
Wifi	Wi-Fi 802.11 a/b/g/n/ac,dual-band,WiFi Direct,hotspot,
Bluetooth	4.2, A2DP, LE
GPS	✔️
NFC	✔️
Radio	FM radio
USB	2.0
CHARACTERISTICS
Sensors	Fingerprint (front-mounted),accelerometer,gyro,proximity,compass,
Various	- Fast battery charging - ANT+ support - MP4/WMV/H.264 player - MP3/WAV/WMA/eAAC+/FLAC player - Photo/video editor - Document viewer
BATTERY
Type	Non-removable langproduct.Li-Ion 3300 mAh battery

What is the difference between SAMSUNG GALAXY C7 PRO and ?