Upgrade to 32GB is worth it if you need it.

Probably yes. If you do memory-heavy work (multiple browsers with 50 tabs, virtual machines, video editing, large datasets), the extra RAM will make a real difference. If you just browse and write docs, you won’t notice.

The catch: soldered RAM plus one stick creates an asymmetric dual-channel config. The first chunk of memory runs in dual-channel, the rest in single-channel. That’s fine for most tasks. You lose a tiny bit of performance on the single-channel portion, but you gain a lot of capacity. I’d take 40GB of mixed-channel over 16GB of perfect dual-channel any day.

Just check your laptop’s max supported RAM and the speed limit. Don’t blindly buy the fastest stick if your machine can’t use it. And if your soldered RAM is only 4GB, honestly, you’re better off replacing the laptop.

Future you will thank you when you don’t have to close Chrome tabs every ten minutes.