(Image credit: Tom's Guide)

​Apple has a lot to prove to critics — including myself — if it wants to show that the iPhone Duo is, without question, the best foldable phone on the market. That’s because book-style foldables demand far more system resources, especially when driving larger canvases than traditional slab phones.

​One area where the iPhone Duo could solidify its position as the foldable to beat is performance. Armed with the A20 Pro chip , early signs suggest it is no slouch, especially given the outstanding performance we’ve seen from the iPhone 18 Pro and 18 Pro Max . But where does it land against key rivals, as well as its slab siblings?

After running various synthetic benchmark tests, I can tell you that the iPhone Duo is easily one of the most powerful phones around.…