The Samsung Galaxy Tab S 8.4 has 4 models and variants. Generally the versions are the same device models with some different features and specifications, as the amount of internal storage, processor or just 3G/4G/5G frequencies that may be different depending on the country the Samsung Galaxy Tab S 8.4 is available to.
Compare the Samsung Galaxy Tab S 8.4 models and know what are the specifications that differ one from another version in the full datasheet.