Which GPU ?

This one
https://www.tehnomanija.rs/it-shop/graficke-karte/zotac-graficka-karta-geforce-rtx-3050-twin-edge.html?_sgm_campaign=scn_9528921780000&_sgm_source=185989&_sgm_action=click
or
https://www.winwin.rs/graficka-kartica-msi-amd-radeon-rx-6600-mech-2x-8g-187044.html

Whichever one has more RGB lights

ova bratana i resio si sve Emmi

Both cards look good.
In this case, look for some vids or a tech website, that goes into technical detail on the performance of both cards, and from there, decide which one to buy.

Look for benchmarks on YouTube and compare them