Difference between LENOVO K5 PRO and VIVO Y91 ?

	PRODUCT 1	PRODUCT 2
	LENOVO LENOVO K5 PRO	VIVO VIVO Y91
VERSION
Announced	2018	2019
Release date	2018	2019
NETWORK
Technology
DEVICE
Dimensions		155.1 x 75.1 x 8.3 mm
Weight	165g	163.5 g
S.I.M.		Duel
Design	Dual 16 MP & 5 MP	1080p@30fps
Other
SCREEN
langfront.Type
Size	5.99 inches - 1080 x 2160 pixels	6.22 inches - 720 x 1520 pixels
Resolution
Protection
PLATFORM
Operating system	Android 8.1 (Oreo)	Android 8.1 (Oreo)
Chipset		Mediatek MT6762 Helio P22 (12nm)
Processor	Octa-core 1.8 GHz Kryo 260	Octa-core 2.0 GHz Cortex-A53
GPU		PowerVR GE8320
MEMORY
Card slot	microSD	microSD, up to 256 GB
Internal & RAM	64/128 GB, 6 GB RAM or 64 GB, 4 GB RAM	64 GB, 3 GB RAM
CAMERA
Main	ثنائية Dual 16 MP & 5 MP	13 MP + 2 MP - Selfie 8 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi		✔️
Bluetooth		✔️
GPS	✔️	✔️
NFC
Radio	FM radio	FM radio
USB	2.0,Type-C 1.0,	microUSB 2.0
CHARACTERISTICS
Sensors	Fingerprint reader	Fingerprint reader
Various	Fast charge	accelerometer,proximity,compass,
BATTERY
Type	4050 mAh	4030 mAh

What is the difference between LENOVO K5 PRO and VIVO Y91 ?