Difference between REALME Q2I and VIVO Y21G ?

	PRODUCT 1	PRODUCT 2
	REALME REALME Q2I	VIVO VIVO Y21G
VERSION
Announced	2020	April 2022
Release date	2020	April 2022
NETWORK
Technology	5G	4G
DEVICE
Dimensions	164.4 x 76 x 8.6 mm (6.47 x 2.99 x 0.34 in)	164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in)
Weight	189.5 (g6.70 oz)	182 (g6.42 oz)
S.I.M.	Dual SIM / Double SIM	Dual SIM
Design	8 MP	8 MP (1080p@30fps)
Other
SCREEN
langfront.Type	IPS LCD	IPS LCD
Size	6.5 inches	6.51 inches
Resolution	720 x 1600 pixels	720 x 1600 pixels
Protection

PLATFORM
Operating system	Android 10,realme UI,	Android 11,Funtouch 11.1,
Chipset	MediaTek Dimensity 720 5G (7nm)	Mediatek MT6769 Helio G70 (12nm)
Processor	Octa-core (2x2.0 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)	Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPU	Mali-G72 MC3	Mali-G52 2EEMC2
MEMORY
Card slot	❌	microSDXC
Internal & RAM	128GB 4GB RAM	64GB 4GB RAM
CAMERA
Main	13 MP + 2 MP + 2 MP	13 MP + 2 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️	dual-band,Wi-Fi Direct,hotspot,
Bluetooth	✔️	5.0
GPS	✔️	Yes,A-GPS,GLONASS,GALILEO,BDS,
NFC	❌	❌
Radio	❌	FM Radio
USB	Type-C 2.0	USB Type-C 2.0
CHARACTERISTICS
Sensors	Fingerprint (rear-mounted),accelerometer,proximity,compass / Fingerprint (rear mounted),	Fingerprint (side-mounted),accelerometer,proximity,compass,
Various	Fast Charging 18W / Fast battery charge 18W	Fast Charging 18W
BATTERY
Type	5000 mAh	5000 mAh

What is the difference between REALME Q2I and VIVO Y21G ?