I'm afraid you might be right.

Former user of 3a, I upgraded to 6 but it was way too big and heavy, and had a weird mass balance.

I'm now on 8 and it has perfect size and weight IMO (using it with a recommended Spigen case).

Looks like 10 is +17g heavier than 8 and 1-2 mm bigger. Not as big as 6 but almost as heavy.

https://m.gsmarena.com/compare.php3?idPhone1=13979&idPhone2=...