What to know first
The Galaxy S25 Ultra has an excellent screen for outdoor visibility and general flagship use. Samsung combines a 6.9-inch QHD+ Dynamic AMOLED 2X panel with adaptive 1-120 Hz refresh and Gorilla Armor 2 cover glass. The most important practical advantage is not just the headline brightness. DXOMARK measured about 1.5% average reflectance and described the phone as among the best tested for sunlight readability, so text and photos remain easier to see when reflections would wash out a conventional glossy phone screen.
The main compromise is flicker comfort. Notebookcheck found 240 Hz flicker at minimum brightness with a 480 Hz secondary frequency, while DXOMARK reports 480 Hz PWM. That does not mean every owner will experience symptoms, but it is material for people who get headaches, eye strain, nausea, or visual fatigue from some OLED phones. The S25 Ultra is a strong choice for bright environments, reading, media, and smooth scrolling. It deserves an in-person trial if PWM sensitivity is part of your buying decision.
Specs that matter
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| Spec | What sources say | Why it matters |
|---|---|---|
| Panel | 6.9-inch Dynamic AMOLED 2X, OLED | Deep blacks and strong contrast without an LCD backlight |
| Resolution | 1440 × 3120, about 498 ppi | Very sharp text, photographs, and fine S Pen work |
| Refresh | Adaptive 1-120 Hz | Smooth scrolling with lower refresh available for static content |
| Brightness | Samsung claims up to 2,600 nits; DXOMARK measured 2,600 nits in bright sunlight | Strong outdoor readability, but not a sustained full-screen guarantee |
| Reflectance | DXOMARK measured about 1.5% average reflectance | Fewer distracting reflections in sunlight and bright rooms |
| HDR | HDR10+ support | Better highlight and shadow range in compatible video |
| Cover glass | Corning Gorilla Armor 2 | Built-in front glass and surface treatment, not a separate protector |
| Flicker | Notebookcheck: 240 Hz at minimum brightness, 480 Hz secondary frequency; DXOMARK: 480 Hz PWM | Important caution for flicker-sensitive viewers |
| Touch | DXOMARK measured 79 ms average touch response | Responsive for navigation and games, though occasional involuntary touches were reported |
How bright is the Galaxy S25 Ultra screen?
Samsung rates it for up to 2,600 nits, and DXOMARK measured 2,600 nits in bright-sunlight testing. Tom's Guide measured 1,860 nits in its laboratory, so these figures should not be read as the same test result. Outdoor peak, small-window behavior, automatic brightness, HDR content, and controlled laboratory settings can produce different numbers.
Is the Galaxy S25 Ultra OLED?
Yes. It uses Samsung's Dynamic AMOLED 2X technology, an OLED panel with self-emissive pixels. That allows pixels to turn off for deep blacks and means there is no conventional LCD backlight or LCD backlight bleed to inspect.
What are the Galaxy S25 Ultra's size and resolution?
The screen is 6.9 inches with a 1440 × 3120 resolution and approximately 498 pixels per inch. This is a high-density QHD+ panel, so small type, high-resolution photographs, and S Pen writing look crisp when the content and software render at full resolution.
Does the Galaxy S25 Ultra use PWM or flicker?
Yes, independent testing found display modulation that deserves attention. Notebookcheck recorded 240 Hz flicker at minimum brightness and a 480 Hz secondary frequency, while DXOMARK lists 480 Hz PWM. There is no ScreenDetect test that can establish PWM comfort, so sensitive users should try the phone at the brightness levels they normally use, especially in a dark room.
Does the Galaxy S25 Ultra have a 120 Hz screen?
Yes. Samsung specifies an adaptive 1-120 Hz refresh rate, and Notebookcheck observed the system varying refresh dynamically across that range. High refresh makes scrolling and compatible games look smoother, while static content can use lower refresh rates for efficiency.
What this screen is good at
- Outdoor reading and navigation: The anti-reflective surface is the defining strength. DXOMARK's low reflectance result and 2,600-nit sunlight measurement support a screen that remains legible in direct daylight more reliably than a highly reflective phone panel.
- Large-format reading: At 6.9 inches and roughly 498 ppi, the S25 Ultra is comfortable for documents, web pages, PDFs, maps, and split-screen work. The large canvas reduces zooming, while the high density keeps small text clean.
- HDR and streaming video: OLED black levels, HDR10+ support, high peak luminance, and strong color handling make compatible video a good fit. DXOMARK reported strong video performance and improved low-light HDR behavior compared with the predecessor.
- Smooth interaction: Adaptive 120 Hz refresh makes scrolling and interface animation feel fluid. The integrated S Pen also benefits from the sharp, spacious panel for notes, diagrams, and photo editing.
- Bright-room photography: The lower-reflection surface helps when viewing photos outdoors or under overhead lighting, where glare can otherwise hide shadow detail and make color judgments difficult.
What may bother you
The biggest risk is low-brightness flicker, not resolution or brightness. If you are sensitive to PWM, the S25 Ultra may be uncomfortable even though its modulation amplitude and frequency behavior do not predict symptoms perfectly for every person. Try a store unit at low and medium brightness, with eye comfort or night settings enabled and disabled, before relying on a return period.
The phone can also feel too bright in dark surroundings. DXOMARK found that brightness adjustment was not well adapted to low-light and dark environments, and its testing found elevated emission even with night mode enabled. A dark-room reader may need to lower brightness manually and experiment with eye-comfort settings rather than leaving automatic brightness in control.
DXOMARK also reported occasional involuntary touches and a lower touch result than some direct competitors. This is not evidence that every unit has a touch defect. If the phone registers taps while held near the edges, a case, grip, moisture, or an accessory can change the experience, so persistent missed or offset taps should be checked separately from ordinary accidental contact.
Gorilla Armor 2 is built-in cover glass, not an add-on screen protector. It may change reflection behavior and scratch resistance, but it does not make the panel crack-proof, prevent dead pixels, stop touch faults, or remove PWM sensitivity. A separate protector is an accessory with its own effect on touch feel and reflections, not part of the screen's factory specification.
Real-world use
Reading and daily use
This is one of the better phone screens for reading outside. The combination of QHD+ density, a large panel, high peak brightness, and low measured reflectance directly addresses the problems that matter on a sunny commute: tiny text, glare, and washed-out contrast. Indoors, the large canvas is useful for long articles and documents, although the phone's size may be tiring for one-handed use.
For night reading, the result is more conditional. DXOMARK found the screen somewhat too bright in low-light conditions and noted that night mode still left relatively high blue-light emission. Lowering brightness manually and using a warmer display mode can help, but people with flicker sensitivity should judge comfort by direct use rather than by brightness controls alone.
Video and HDR
HDR10+ video is a good match for the OLED panel. DXOMARK placed the S25 Ultra among its strongest tested devices for video, noting good low-light adaptation, improved HDR peak luminance in low light compared with the S24 Ultra, well-managed local contrast, and no frame drops in its playback testing.
The 19.5:9 shape leaves black bars on much conventional video, but the high resolution keeps displayed footage detailed. HDR impact is strongest in compatible content and suitable picture modes. A peak figure should not be treated as a permanent full-screen brightness level during long playback.
Touch and input
The S25 Ultra supports touch input and includes an integrated S Pen, making the screen useful for handwriting, diagrams, editing, and precise selection. DXOMARK measured 79 ms average touch response and described navigation and gallery use as smooth, but also recorded occasional unintentional touches. That is a reason to verify edge behavior if you use a case, play touch-heavy games, or often hold the phone with your palm near the display.
Eye comfort
Eye comfort is the area where this otherwise excellent screen needs the most caution. Notebookcheck's 240 Hz minimum-brightness flicker and DXOMARK's 480 Hz PWM result are exact-model measurements, not generic Samsung assumptions. No single frequency predicts how every person will react, and there is no ScreenDetect automated test for PWM comfort.
If flicker has caused symptoms before, test the phone at low brightness, medium brightness, and night mode while reading for several minutes. Try different viewing distances and avoid assuming that a brighter setting is automatically more comfortable. Stop using the device if it produces persistent headache, nausea, eye pain, or visual disturbance, and seek medical advice for ongoing symptoms.
Common screen problems
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| What people notice | Often mistaken for | Start here |
|---|---|---|
| One bright, black, or colored dot | Wallpaper or dust on the glass | Pixel Test |
| A logo or navigation bar seems to linger | Temporary image retention or OLED wear | Burn-in Test |
| Taps miss, register twice, or fail in one area | App lag or a thick protector | Touch Screen Test |
| Whites look tinted or uneven | Camera white balance or app theme | Screen Color Test |
| Scrolling does not look smooth | App animation or battery mode | Refresh Rate Test |
| Headache or eye strain at low brightness | A defective pixel or ordinary motion blur | Try another brightness and comfort setting; no automated PWM test applies |
| Cracked glass, ink-like patch, spreading lines, or touch loss after a drop | A software display setting | Use a repair assessment, not a screen test |
Known, needs context, and unknown
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| Status | Screen detail | What it means |
|---|---|---|
| official | 6.9-inch Dynamic AMOLED 2X, 1440 × 3120, adaptive 1-120 Hz | Core panel specification for the Galaxy S25 Ultra |
| official | Up to 2,600 nits peak brightness | A peak capability claim, not a sustained full-screen rating |
| official | Gorilla Armor 2 cover glass | Built-in front material, separate from any screen protector |
| review-reported | DXOMARK measured 2,600 nits in bright sunlight | Supports excellent outdoor readability under that test condition |
| review-reported | Tom's Guide measured 1,860 nits in laboratory testing | Lower result using a different controlled method; not directly interchangeable with the outdoor peak figure |
| review-reported | DXOMARK measured about 1.5% average reflectance | Explains why the screen handles reflections unusually well |
| review-reported | Notebookcheck recorded 240 Hz flicker at minimum brightness and 480 Hz secondary frequency | Material PWM comfort warning for sensitive users |
| review-reported | DXOMARK reports 480 Hz PWM | Independent confirmation of display modulation, with a different test method |
| review-reported | DXOMARK measured 79 ms average touch response | Good general responsiveness, but not class-leading in its comparison |
| needs context | HDR brightness and color vary by content, window size, picture mode, and ambient light | HDR peak figures do not describe every scene or full-screen playback |
| needs context | Refresh rate varies between 1 and 120 Hz | A 120 Hz maximum does not mean every app or frame runs at 120 Hz |
| verify yourself | Individual PWM comfort | Personal response cannot be predicted from frequency alone |
| verify yourself | Individual panel uniformity, dead pixels, and touch condition | These are unit-specific and require inspection of the phone in hand |
Alternatives worth a look
The Galaxy S24 Ultra is the closest sibling comparison. It retains the same broad 6.9-inch Ultra-screen format and high outdoor-readability focus, so an S24 Ultra owner should not expect a transformational screen upgrade. The S25 Ultra's display story is more about refinement, reflection control, color handling, and software tuning than a new panel category.
The Galaxy S25+ is worth comparing if you want Samsung's flagship display approach in a smaller and lighter phone. It keeps a high-end AMOLED experience and 120 Hz class refresh, but it does not offer the S25 Ultra's integrated S Pen or the same Ultra-specific design and cover-glass treatment. The decision is therefore mostly about size, pen use, and ergonomics rather than basic screen quality.
Other premium OLED phones may be better candidates for a PWM-sensitive buyer, but the exact comfort advantage depends on current model, brightness behavior, modulation depth, and software. Do not select an alternative solely from a stated refresh rate. Compare exact-model flicker measurements and, when possible, try the phone before buying.
Galaxy S25 Ultra screen repair
Galaxy S25 Ultra screen replacement cost
Samsung prices screen repair for this model at USD 279 in United States. The final bill can change after inspection, and taxes or shipping may apply.
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| Repair route | What it means for price |
|---|---|
| Samsung service | Published model price above; inspection can adjust it |
| Samsung authorized screen repair coverage | Screen-only damage carries a lower service fee than an out-of-warranty repair; confirm the current fee for this model |
| Authorized service providers | Set their own prices for the same official service |
| Independent repair shops | Prices vary with parts quality and labor; warranties differ |
Repair pricing last checked August 29, 2026. Samsung's published US screen repair price was $279 when checked. Eligibility and final service options depend on inspection, device condition, location, and whether the frame or other hardware is damaged.
What affects the repair price?
Three things move the price most: who performs the repair, which parts they use, and how much damage sits under the glass.
Official service uses genuine parts; independent shops may offer aftermarket panels at lower prices with different quality and warranty terms.
When does the whole display need replacement?
Visible panel damage under intact glass usually means the display assembly needs replacement rather than a glass-only fix. Typical signs include Cracked front glass, Black or blank display, Ink-like OLED patches, Colored or spreading lines, Dead touch zones, Ghost touches after impact.
Samsung's US support page lists a front screen repair path for the Galaxy S25 Ultra. The phone must pass inspection, and a bent or broken frame, swollen battery, or other hardware failure may require a different service outcome or additional repair.
Repair vs. replacement
If a repair quote approaches the cost of replacing the device, compare both paths before booking. The Repair vs. Replace guide walks through that decision.
Test this screen with ScreenDetect
Not sure what is wrong with the Galaxy S25 Ultra screen? These free browser tests pinpoint the most common faults on this device.
Pixel Test
It isolates visible pixel faults from wallpaper and app content.
Check for pixel faults
Touch Screen Test
The S25 Ultra is a touch device, and persistent dead zones need exact-area checking.
Check touch response
Refresh Rate Test
The phone supports adaptive 1-120 Hz behavior, so visible smoothness can vary by app and mode.
Check refresh behavior
Screen Color Test
Full-screen color fields make persistent color non-uniformity easier to see.
Check color uniformity
Burn-in Test
OLED panels can show retention or wear that ordinary app use may hide.
Check for image retention
Galaxy S25 Ultra screen FAQ
Why do the Galaxy S25 Ultra brightness numbers differ between sources?
Samsung's 2,600-nit figure describes a peak capability, and DXOMARK measured 2,600 nits in bright-sunlight testing. Tom's Guide measured 1,860 nits in a laboratory, where brightness window, automatic controls, content, and ambient conditions differ. These figures should be compared by method, not treated as interchangeable.
Can a screen protector prevent Galaxy S25 Ultra display damage?
No accessory can guarantee that the display will not crack or develop touch, pixel, or panel faults. Gorilla Armor 2 is the built-in cover glass; a separate protector mainly changes scratch exposure and may affect reflections or touch feel. It does not prevent PWM discomfort or OLED wear.
Does the Galaxy S25 Ultra have a backlight bleed problem?
No conventional LCD backlight bleed test applies because this is an OLED phone with self-emissive pixels. Uneven blacks, bright edges, or impact-related patches should instead be checked as possible panel damage or uniformity faults.
What should I do if the Galaxy S25 Ultra registers touches by itself?
First check whether moisture, a damaged protector, a tight case edge, or an app is contributing. If taps remain involuntary or a zone is consistently unresponsive, use the touch test and document the behavior before seeking service.
Can the Galaxy S25 Ultra suffer OLED burn-in?
OLED panels can develop image retention or long-term wear after repeated static content, although this profile does not establish a guaranteed rate for individual units. If a logo or interface element remains visible, compare it across uniform colors and brightness levels before treating it as permanent damage.
Is the Galaxy S25 Ultra suitable for someone with PWM sensitivity?
It requires caution rather than a blanket yes or no. Notebookcheck found 240 Hz flicker at minimum brightness and DXOMARK reports 480 Hz PWM, but personal responses vary. Try the exact phone at your usual brightness before buying.
Does adaptive refresh always run at 120 Hz?
No. The display is adaptive and can vary between 1 and 120 Hz depending on content, software, and power conditions. A refresh-rate check can confirm visible behavior, but it cannot diagnose PWM comfort.
Sources and limits
This profile separates Samsung's specifications and material claims from independent measurements. It uses exact Galaxy S25 Ultra testing from Notebookcheck and DXOMARK, plus an independent Tom's Guide brightness result to show why peak and laboratory figures differ. ScreenDetect did not measure the phone, diagnose a particular unit, or transfer brightness or PWM data from the Galaxy S25, S25+, or S24 Ultra. Unit-specific defects, personal PWM comfort, and long-term OLED wear remain matters for inspection and individual use.
Sources checked August 29, 2026.