Here is the Launch X-431 Diagnostic Tablet series comparison chart. Get the specific Configuration and Features of each one from the following content.

You will decide which one is your ideal choice!

CONFIGURATION		X-431 PRO GT	X-431 PRO V4.0		X-431 PRO 3 V4.0		X-431 PRO 5
Image
Display	8.0” / 1280*800		8.0” / 1280*800	10.1” / IPS 1920*1200		10.1” / IPS 1920*1200
CPU	1.5GHZ Quad-core		1.3GHz Quad-core	1.8GHz Octa-core		1.8GHz Octa-core
Memory	2 GB		2 GB	3 GB		3 GB
Storage	32 GB		32 GB	32 GB +32 GB (SD Card)		32 GB +32 GB (SD Card)
Camera			5MP Rear	8MP Rear + 5MB Front		8MP Rear + 5MB Front
VCI Connector	DBScar IV		DBScar IV	DBScar IV		Smartlink C
VCI Connection	Bluetooth		Bluetooth	Bluetooth		Bluetooth
Battery	6100mAh		4680mAh	7000mAh		7000mAh
Adjustable Supporting Holder	●					●
IP65 Waterproof & Dustproof
Quick Charge Technology
Charging Station
PUSH PUSH Design	●		●	●
Size (mm)	300 * 170 * 42		226 * 203 * 43.6	265 * 214.5 * 50.5		267 * 191 * 33