What spec MacBook Air for University?

I have been looking at MacBook Air for university. And want to get to get the spec that will hopefully last the longest. I do have a budget restriction so I am trying to find out what’s more important for keeping the machine going past the first 4 years M chip or Ram. These are the Two specs, I am considering.

1) M3 chip, 10 GPU, 8GB RAM, 512 GB ssd

2) M2 chip, 10 GPU, 16GB ram, 512 GB ssd

what’s more important the M Chip or the Ram?