Difference between NOKIA 5.4 and NOKIA 8.1 ?

	PRODUCT 1	PRODUCT 2
	NOKIA NOKIA 5.4	NOKIA NOKIA 8.1
VERSION
Announced	2020	2018
Release date	2020	2018
NETWORK
Technology	GSM / HSPA / LTE
DEVICE
Dimensions	161 x 76 x 8.7 mm (6.34 x 2.99 x 0.34 in)	154.8 x 75.8 x 8 mm
Weight	181 (g6.38 oz)	180 g
S.I.M.	Single or Dual SIM
Design	16MP	2160p@30fps,1080p@30fps,
Other
SCREEN
langfront.Type	IPS LCD
Size	6.39 inches	6.18 inches - 1080 x 2280 p
Resolution	720 x 1560 pixels
Protection
PLATFORM
Operating system	Android 10	Android 9.0 (Pie)
Chipset	Qualcomm SM6115 Snapdragon 662 (11nm)
Processor	Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)	Octa-core (2x2.2 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU	Adreno 610	Adreno 616
MEMORY
Card slot	microSDXC	microSD, up to 400 GB
Internal & RAM	64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM	64 GB, 4 GB RAM
CAMERA
Main	48 MP + 5 MP + 2 MP + 2 MP	12 MP + 13 MP - Selfie 20 MP
SOUND
Loudspeaker	✔️	✔️
Jack 3,5 mm	✔️	✔️
CONNECTIVITY
Wifi	✔️
Bluetooth	✔️
GPS	✔️	✔️
NFC	✔️	✔️
Radio	FM Radio	❌
USB	Type-C 2.0	2.0,Type-C 1.0,
CHARACTERISTICS
Sensors	Fingerprint (rear-mounted),accelerometer,gyro,proximity,compass / Fingerprint (rear mounted),	Fingerprint reader
Various	Fast Charging 10W / Fast battery charge 10W	Fast charge
BATTERY
Type	4000 mAh	3500 mAh

What is the difference between NOKIA 5.4 and NOKIA 8.1 ?