Sony has unveiled the Xperia 10 III, which builds on the Xperia 10 II. The Xperia 10 III retains its predecessor's design, but Sony has upgraded its battery capacity to 4,500 mAh. Additionally, the Snapdragon 665 from last year's model has been swapped out for a Snapdragon 690.
https://www.notebookcheck.net/Sony-launches-the-Xperia-10-III-its-budget-entry-in-its-Mark-III-series-with-a-Snapdragon-690-SoC-and-a-4-500-mAh-battery.532148.0.html