They differ in the amount of storage and RAM. The v2.0 device is the budget
version of W10. CPU and display are the same on both.
The W10 comes with 512 MB of ram and 8GB of storage, while the W10v2.0 comes with only
256 MB and 4GB.
Each generic RAmos device should have the model number and serial printed
on one side:
As your screenshot says the device is a "Tabulet Troy" which seems to be a
rebranded W10 device that comes with 512MB RAM and 4GB storage: Product - Troy