Welcome to the Dell Community @Petar-12 

Please provide a link to the page that has GDDR6 in its description.

This way they can change the typo error to GDDR5.

https://www.dell.com/support/manuals/en-us/vostro-15-5510-laptop/vostro15_5510_tglu_setupandspecs/gpu%E2%80%94discrete?guid=guid-9aab5951-712c-46ee-a77e-3e1a32c2c756&lang=en-us

Best regards,

U2

NOTE: Looks like they installed the cheeper version.

N18S-G5: GB2E-64 Package, 1395 - 1575 MHz, GDDR5 3501 MHz, 25 W

But when i enter my service tag on dell website why does it say i have gddr6?

@Petar-12 

Then you need to contact Tech Support.

https://www.dell.com/support/home/en-us/products?gacd=9620985-1031-5761040-0-0&st&gclid=Cj0KCQiA3rKQBhCNARIsACUEW_a7kluKS0nT3ttaeKhkvOQOHwqEsUCS_1ZAluyiMvuuUQECqeUcseUaAmM9EALw_wcB&gclsrc=aw.ds&nclid=lTGjHSS1bKUIiwqgbpZr5Ihqt-rukXSrtBf4Gqvc78bfVg9H_c-YqIRA6joRjlEc

There is not much we can do on the forum.

Regards,

U2