Unfortunately, we cannot answer your question, as we have not been able to test this in such a form. However, I will post the question in the community, and perhaps a user/other customer can help you further.
Hello
I couldn't decide for a long time either.
I was also in an electronics shop.
There, the difference was noticeable in a direct comparison (60 to 90 stood next to each other).
I have now decided on the 70. This
In my eyes, it's perfect in terms of price/performance.
We now have two 70 models.