Can the ram be upgraded for both?
which of the two is generally better (apart from the ram)
Check out this product at Saturn: https://www.saturn.de/...13183.html
Check out this product at Saturn: https://www.saturn.de/...13190.html
The Ryzen 7 5800H is better. So the second laptop.
And how much mHz can the ram have? So how much is best?
The second has the better cpu, but is also 1/2 KG heavier.
In general, 17 inch laptops are rather questionable, as they are often too big for mobile use and you still need a stationary monitor.