The price difference between these two smartphones is approximately TZS 140,000, with the Samsung Galaxy S9 Plus being more expensive than the Samsung Galaxy S9. The Samsung Galaxy S9, with 4 GB of RAM and 64, 128, or 256 GB of storage, starts at approximately TZS 770,000. In comparison, the Samsung Galaxy S9 Plus, featuring 4 GB of RAM and 64, 128, or 256 GB of storage, is currently available starting at approximately TZS 910,000.