Does the twitch desktop app also have a good 4 GB RAM mod pack except Sky factory?

I would like to test everything under 6GB of RAM

Basically, almost all 1.7.10 packs run on 4gb ram, even huge ones like Ozone 2 or Infinity only need 4gb.

1.10.2 packs usually need more from 6gb, sometimes even 8gb when bigger, because 1.10 was pretty scrap.

1.12.2 packs are again better optimized and usually run with 4-6gb Ram.

If a pack really needs more like 4 or 6gb, it's actually there. Packs that go much on optics like more Ram.

What would you have me for 4GB modpacks entfelen so have never played modpacks

Without any idea?

Then I would recommend you for the beginning FTB Infinity Evolved. This has many mods but does not push you in any direction and you can basically do what you want and familiarize you with every mod.

If you've seen Lets Plays with modpacks and an understanding of the mods then maybe Project Ozone 2: Reloaded. This also has some modified recipes in the normal mode and guides you through the single mods with his questbook. You do not have to play that as a skyblock.

If you are looking for a challenge you can increase the difficulty of Ozone 2.

If it's supposed to be 1.12.2 then FTB Revelation.

The two would be my recommendation for a start.

Thanks