3080 -> 5080 for 1080p @ 480hz?

Hi,

I have an opportunity to pickup a 5080 gigabyte gaming OC

I’m wondering if this would make a significant enough difference in fortnite all low settings to justify the price? Looking at random benchmarks doesn’t seem too promising

Pairing with a 9800x3d

https://ca.pcpartpicker.com/list/DgK84p