[Lutzb]

The GDP Pocket 3 https://www.gpd.hk/gpdpocket3 comes very close to your requirements.

[Tepix]

I like it. On the other hand, for this amount of money (1000€) i can buy a Macbook Air M1 which is somewhat bigger but also much more usable.

So while i lust after such a tiny device, in real life i'm pretty happy with the more practical form factor dictated by the keyboard size.