I compared the iPhone Ultra's rumored screen sizes to the Samsung Galaxy Z Fold 8: which of these foldables would you rather buy?

The iPhone Ultra probably won’t launch for around another month, but we already have a fair idea of what to expect — and that’s not just thanks to leaks and rumors, but also because Samsung has launched what we think is a very similar phone.

That phone, of course, is the Samsung Galaxy Z Fold 8, a foldable device with a passport-like form factor, which is very much in line with what we’re hearing Apple is planning for its first foldable, reportedly called the iPhone Ultra.

That form factor, and particularly the screen sizes and shapes it results in, are arguably the most interesting things about these phones, since they’re different to the book-style and clamshell-style foldables we’re used to seeing.

But just how similar will the screens on these two phones be? Well, while we won’t be certain of anything until Apple unveils the iPhone Ultra, we’ve taken some educated guesses below, based on leaks and rumors about that phone, coupled with the confirmed specs of the Galaxy Z Fold 8.

How will their foldable screens compare?

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Much like the Samsung Galaxy Z Fold 8 Ultra, the Galaxy Z Fold 8 folds open like a book, but unlike the tall and narrow Z Fold 8 Ultra, it has a slightly smaller and more passport-like display, and we’re expecting something similar from the iPhone Ultra.

To be more specific, the Galaxy Z Fold 8 has a 7.6-inch 1828 x 2448 AMOLED screen with around 403 pixels per inch, a peak brightness of 3,000 nits, and an aspect ratio of 4:3.

That aspect ratio makes it more suited to watching widescreen video than typical book-style foldables like the Galaxy Z Fold 8 Ultra, as our content viewing comparison shows, and speaking of books, it’s arguably also a better shape for reading, too.

So, what of the iPhone Ultra? Well, going by leaks, this device will probably have a foldable display of between 7.7 and 7.8 inches. Different sources point to slightly different numbers, but all the recent leaks put it in roughly that range.

So that would make it ever so slightly bigger than the Galaxy Z Fold 8’s screen — though still smaller than the 8-inch Galaxy Z Fold 8 Ultra.

We’re less sure of what the resolution will be, but leaker Digital Chat Station (via MacRumors) claimed last year that it would be 1920 x 2713 and that it would have a 4:3 aspect ratio. Though it’s worth noting that this resolution wouldn’t actually yield a 4:3 aspect ratio, so at least one of these numbers must be at least slightly wrong.

In any case, 4:3 would make for the same aspect ratio as the Galaxy Z Fold 8, and while this rumored resolution would be slightly higher, the marginally bigger display size should mean it still offers a similar number of pixels per inch.

We’re inclined to believe the aspect ratio here more than the resolution, as leaked renders of the iPhone Ultra show a very similar screen shape to that of the Samsung Galaxy Z Fold 8.

We also fully expect the iPhone Ultra to have an AMOLED screen, just like Samsung’s phone, since other iPhones use that too.

We haven’t heard much about the iPhone Ultra’s screen brightness, but the iPhone 17 Pro, for example, has a 3,000-nit peak brightness, so the iPhone Ultra might well match that — and match the Galaxy Z Fold 8’s brightness in the process.

In which case, there may be no significant difference between their foldable screens, with the iPhone’s probably just being slightly larger — though it may also have a less visible crease, if rumors are to be believed. The iPhone Ultra’s corners are also likely to be curvier than the Z Fold 8’s, based both on leaks — such as the dummy unit above shared by Sonny Dickson — and Apple’s typical design practices.

How will their cover displays compare?

The Samsung Galaxy Z Fold 8 has a 5.5-inch 1248 x 1972 AMOLED cover screen with around 428 pixels per inch, and with an aspect ratio of 16:10. This leaves it a bit more of a square shape than the screens on most phones.

As for the iPhone Ultra, that could either have a 5.49-inch cover display with a 1422 x 2088 resolution (according to the source detailed in the section above), or a 5.3-inch cover screen (according to a paywalled report on The Information). So, in other words, it might either be slightly smaller than the Z Fold 8’s cover display or roughly the same size. It will also most likely use AMOLED tech, since other iPhones do.

Not much has been said about the iPhone Ultra's outer aspect ratio, but this again is likely to be similar to the Galaxy Z Fold 8’s 16:10 one — both because it looks similar in leaked renders and dummy units, and because that would make sense if its internal aspect ratio is the same, as has been rumored.

So, as with their foldable screens, the main difference between the cover screen on the iPhone Ultra and the Samsung Galaxy Z Fold 8 might just be their size, with Apple’s possibly being slightly smaller in this case — though some leaks suggest there will be no real difference there either. In which case, it could just be the iPhone’s potentially curvier corners that set it apart.

How will their dimensions compare?

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Screen sizes have a major impact on dimensions, but they’re not the only factor, with bezels and internal components also playing a role, so how will the iPhone Ultra compare to Samsung’s passport-style foldable there?

Well, the Samsung Galaxy Z Fold 8 is 123.9 x 161.4 x 4.5mm when unfolded and 123.9 x 81.9 x 9.7mm when folded shut.

Sources aren’t in total agreement about the iPhone Ultra’s dimensions, but going by various leaks, it seems likely to come in at 120.6 x 167.6 x 4.5-4.8mm when unfolded and 120.6 x 83.8 x 9.0-9.6mm when folded, so it’s mostly just the thickness that there’s disagreement on.

That, in any case, would make the iPhone slightly shorter than Samsung’s phone but also marginally wider. When unfolded, it could be either the same thickness or slightly thicker, and when folded shut, it would seemingly be marginally slimmer.

Based on these rumored screen sizes and dimensions, which foldable phone would you rather buy? Let us know in the poll or comments section below.

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