Difference between VIVO S9 and AMAZON FIRE HD 8 PLUS (2020) ?

	PRODUCT 1	PRODUCT 2
	VIVO VIVO S9	AMAZON AMAZON FIRE HD 8 PLUS (2020)
VERSION
Announced	2021	2020
Release date	2021	2020
NETWORK
Technology	5G
DEVICE
Dimensions	158.4 x 73.9 x 7.4 mm (6.24 x 2.91 x 0.29 in)	202 x 137 x 9.7 mm
Weight	173 (g6.10 oz)	355 g
S.I.M.	Dual SIM
Design	44 MP (4K@30fps) + 8 MP	2 MP
Other
SCREEN
langfront.Type	AMOLED,90Hz,HDR10+,
Size	6.44 inches	8 inches
Resolution	1080 x 2400 pixels	800 x 1280 pixels
Protection

PLATFORM
Operating system	Android 11,OriginOS 1.0,	Android 9.0 (Pie),Fire OS 7,
Chipset	MediaTek MT6891Z Dimensity 1100 5G (6nm)	MediaTek MT8168 (12nm)
Processor	Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)	Quad-core 2.0 GHz Cortex-A53
GPU	Mali-G77 MC9	Mali-G52 MC1
MEMORY
Card slot	❌	microSDXC
Internal & RAM	128GB 8GB RAM, 256GB 12GB RAM	32GB 3GB RAM or 64GB 3GB RAM
CAMERA
Main	64 MP + 8 MP + 2 MP	2 MP
SOUND
Loudspeaker	✔️	Oui, avec haut-parleurs stéréo
Jack 3,5 mm	❌	✔️
CONNECTIVITY
Wifi	✔️	✔️
Bluetooth	✔️	✔️
GPS	✔️	❌
NFC	✔️
Radio	❌	❌
USB	USB Type-C	Type-C 1.0
CHARACTERISTICS
Sensors	Fingerprint (under display,optical),accelerometer,gyro,proximity,compass / Fingerprint (under screen),optical),accelerometer,gyroscope,proximity,compass,	Accelerometer,Alexa natural language commands,Text to Speech English Content Player,
Various	Fast Charging 33W / Fast battery charge 33W	Wireless charging
BATTERY
Type	4000 mAh

What is the difference between VIVO S9 and AMAZON FIRE HD 8 PLUS (2020) ?