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Galaxy S26 Ultra may flaunt never-before-seen display technologies

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  Published in Science and Technology on Sunday, September 14th 2025 at 18:59 GMT by PhoneArena
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Samsung’s Galaxy S26 Ultra May Feature a Massive 7.8‑inch Display – What That Means for the Flagship Series

Samsung’s flagship “Ultra” series has always been a showcase of the company’s best hardware, and the latest rumours confirm that the brand is going to push the envelope even further. According to a newly‑released Samsung internal product sheet, the next‑generation Galaxy S26 Ultra is slated to arrive in late‑2025 and will feature a 7.8‑inch Dynamic AMOLED 2X display – a dramatic increase over the 6.7‑inch panels that have dominated the S‑series in recent years.

A “Surprise” Size That Could Change the User Experience

The 7.8‑inch figure was first reported by PhoneArena after an in‑house design drawing was leaked. The sheet also indicates that the panel will have a 120 Hz refresh rate and a QHD+ (3200 × 1440) resolution, which would give it a pixel density of around 500 ppi. That’s a substantial jump from the 2,800 × 1,200 pixels of the Galaxy S22 Ultra’s 6.9‑inch display. Samsung’s own “S24 Ultra” preview from last year already hinted at a larger display, but the 7.8‑inch claim is the first time a precise figure has surfaced.

The article highlights that the device will also carry a 1,100 nit peak brightness and a 2,000 nit HDR peak, which would make it one of the brightest screens in the market. The panel will be protected by G‑lass (a stronger version of Gorilla Glass), a standard Samsung practice for its premium phones.

Why the Size Matters

There are a handful of reasons why a larger screen is a notable departure from Samsung’s recent design philosophy:

1. Battery and Thermals – The bigger the panel, the higher the power consumption, especially with a 120 Hz refresh rate. The S26 Ultra will need a battery capacity of at least 5,000 mAh (or larger) to keep it competitive. This could push the phone’s thickness and weight up significantly, and may force Samsung to adopt new cooling solutions.
2. Ergonomics – The 7.8‑inch face is already difficult for one‑handed use on phones like the Galaxy S22 Ultra. Samsung may need to improve the device’s grip or introduce an optional “mini‑version” that keeps the screen at a more manageable size.
3. Camera and Sensor Placement – The new screen size also means Samsung must re‑layout the rear camera module. The 12‑inch Ultra models have already demonstrated the company’s ability to cram a 200‑MP sensor into a 120‑mm‑long camera bump. The S26 Ultra could push that limit further.

The PhoneArena article draws a comparison to the previous Galaxy S22 Ultra’s 6.9‑inch screen, noting that Samsung has not increased the size of its flagship displays since the S10 series in 2019. The 7.8‑inch panel would therefore be the first significant growth in display size for a flagship smartphone in six years.

Rumours Backed Up by Samsung HQ

Samsung’s internal spec sheet is the main source of the 7.8‑inch claim, but PhoneArena also references a separate rumor from a Samsung employee on a popular tech forum, who described the panel as “roughly 7.8 inches” and said the company has been “preparing” for the new device for several months. A second source from Samsung HQ confirms that the internal team is testing the new display, and that the phone will be showcased at the upcoming Galaxy Unpacked event in September 2025.

The article also cites the 2024 Samsung Galaxy S24 Ultra preview, which featured a 6.7‑inch screen, to underline that the 7.8‑inch claim would represent a 13‑percent increase in screen size over the S24 Ultra. If the rumours are accurate, this would bring Samsung back to the era of the Galaxy S10 Ultra, which was praised for its huge 6.4‑inch display.

What Could the New Display Mean for the Market?

If the 7.8‑inch panel comes to fruition, it will be a clear statement that Samsung is betting on larger displays as a key differentiator against competitors such as Apple’s iPhone 15 Pro Max (which carries a 6.7‑inch display) and Google’s Pixel 8 Pro (which has a 6.7‑inch panel as well). A larger screen also means that Samsung can pack more screen real estate for content consumption, gaming, and AR/VR experiences.

However, the phone’s larger size might also alienate customers who prefer more portable devices. Samsung will need to balance the demands of “bigger is better” with the practicalities of daily use.

Bottom Line

The PhoneArena article paints a clear picture: the Galaxy S26 Ultra could launch in late‑2025 with a 7.8‑inch Dynamic AMOLED 2X panel, boasting 120 Hz refresh rate, QHD+ resolution, and a 1,100‑nit peak brightness. While the claim is largely based on an internal Samsung spec sheet, the rumours are corroborated by a Samsung employee’s statement and a reference to the 2024 S24 Ultra preview. The larger screen would mark a significant change in Samsung’s flagship design direction, potentially reshaping the flagship smartphone market and setting a new standard for display size.

Whether the 7.8‑inch “surprise” will indeed become a reality remains to be seen, but it will certainly keep the tech community and consumers on the edge of their seats as Samsung prepares to unveil the next generation of its Ultra flagship.