The fight between Samsung's foldables is also about display shape. The Galaxy Z Fold 8 features a 7.6-inch inner panel with a 4 to 3 aspect ratio, a choice that the manufacturer calls the new standard for viewing content and that is reflected in the Wikipedia entry for the Galaxy Z Fold series. The Galaxy Z Fold 8 Ultra, on the other hand, packs an 8-inch screen with 10 to 9 proportions, designed for multitasking and spreadsheets. To find out which one offers the best visual experience, I compared Netflix, YouTube, and Instagram Reels on both devices, both in portrait and landscape modes.
The 4 to 3 format wins on Netflix
While playing a movie or a series on Netflix, the Galaxy Z Fold 8 shows noticeably thinner black bars above and below the video compared to the Galaxy Z Fold 8 Ultra. The difference is clear in every orientation except in 3 to 4 proportion, where the larger device gains ground. With the Galaxy Z Fold 8 in 10 to 16 mode there is no pillarboxing, those annoying side bars that appear on other screens, but the content wraps around the punch-hole camera, something that does not happen on the Ultra model.
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YouTube favors the compact screen
On YouTube too, the Galaxy Z Fold 8 delivers a cleaner picture. When expanding a video, the phone automatically switches to landscape and the black bars are more contained. The Galaxy Z Fold 8 Ultra, with its wider display, tends to show larger dark margins, especially in 16 to 9 videos. The difference is less noticeable when rotating the device to vertical, but in practical use the 4 to 3 format of the standard model proves more versatile.
Instagram Reels and the weight factor
On Instagram Reels the overall quality is similar, but the Galaxy Z Fold 8 has a non-negligible ergonomic advantage. It weighs 201 grams against the 215 grams of the Galaxy Z Fold 8 Ultra, a difference that is felt during extended scrolling sessions. Moreover, the narrower closed design makes the phone easier to handle, while the open display with 4 to 3 aspect ratio adapts better to typical vertical social content.
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Dimensions and specs compared
Measurements confirm the different design philosophies. Unfolded, the Galaxy Z Fold 8 measures 161.4 by 123.9 by 4.5 millimeters, while the Galaxy Z Fold 8 Ultra reaches 158.4 by 143.2 by 4.1 millimeters. When folded, the former is taller with 81.9 millimeters width, the latter wider with 72.8 millimeters. The external display of the Galaxy Z Fold 8 is 5.5 inches with 16 to 10 aspect ratio, while the Ultra uses a 6.5-inch panel with 21 to 9 proportions. For content viewing, the standard model is often the best choice, but the Ultra keeps its appeal for those who work with data and complex applications.
Recently, Samsung also gave Galaxy Z Fold 8 and Flip 8 owners themes and wallpapers dedicated to the Netflix series The East Palace, an initiative that confirms the manufacturer's attention to the multimedia experience. If you want to explore other Android news, check out our article about Google redesigning voice search with an AI Mode toolbar.
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In the end, for those who watch many videos and use social media, the Galaxy Z Fold 8 is the most balanced choice. The Galaxy Z Fold 8 Ultra has superior cameras and a larger screen, but the trade-off on video quality is evident. The final decision depends on personal priorities, but the test shows that the 4 to 3 format is not just a marketing trick.
