Difference between LENOVO LEGION DUEL and LENOVO K12 ? in United States

	PRODUCT 1	PRODUCT 2
	LENOVO LENOVO LEGION DUEL	LENOVO LENOVO K12
VERSION
Announced	2020	2020
Release date	2020	2020
NETWORK
Technology	5G	GSM / HSPA / LTE
DEVICE
Dimensions	169.2 x 78.5 x 9.9 mm	165.2 x 75.7 x 9.2 mm (6.50 x 2.98 x 0.36 in)
Weight	239 g	200 (g7.05 oz)
S.I.M.	Double SIM	Hybrid Dual SIM
Design	20 MP motorized pop-up	8 MP
Other	Water-repellent coating
SCREEN
langfront.Type		IPS LCD
Size	6.65 inches	6.5 inches
Resolution	1080 x 2340 pixels	720 x 1600 pixels
Protection

PLATFORM
Operating system	Android 10,Legion OS/ZUI12,	Android 10
Chipset	Qualcomm SM8250 Snapdragon 865+ (7nm+)	Qualcomm SM4250 Snapdragon 460 (11nm)
Processor	Octa-core (1x3.09 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)	Octa-core (4x1.8 GHz Kryo 240 & 4x1.6 GHz Kryo 240)
GPU	Adreno 650	Adreno 610
MEMORY
Card slot	❌	microSDXC
Internal & RAM	256GB 12GB RAM, 512GB 16GB RAM	64GB 4GB RAM
CAMERA
Main	64 MP + 16 MP	48 MP + 2 MP
SOUND
Loudspeaker	Oui, avec haut-parleurs stéréo	✔️
Jack 3,5 mm	❌	✔️
CONNECTIVITY
Wifi		✔️
Bluetooth		✔️
GPS		✔️
NFC	✔️	❌
Radio		FM Radio
USB	Two reversible Type C 1.0 connectors	microUSB 2.0
CHARACTERISTICS
Sensors	Fingerprint (under screen,optical),accelerometer,gyroscope,proximity,compass,
Various	90W fast battery charging	Fast Charging 10W - Reverse charging 2.5W / Fast battery charge 10W
BATTERY
Type	5000 mAh	5000 mAh

What is the difference between LENOVO LEGION DUEL and LENOVO K12 in United States?