Bitcoin has way more utility than Gold.

For that reason it will surpass Golds market capitalization.

Gold is superior to fiat as value transportation over time.

In that sense it will always outdo fiat.

Bitcoin is superior to fiat as value over time and due to less inflation compared to Gold, will outdo Gold.

Bitcoin can just as fiat transport value over space and for that reason will also outdo Gold.

Besides those, due to the decentralized properties of Bitcoin it is outdoing both Gold and Fiat.

Holding Gold is better than holding fiat.

But Bitcoin will dwarf both.

By looking at some biased time frame you will be fooled in the long term.