Galaxy S25 Ultra vs S26 Ultra: Should You Upgrade in 2026?

For most people who already own a Galaxy S25 Ultra, the Galaxy S26 Ultra is a nice upgrade but not an essential one: you get a brighter f/1.4 main camera, much faster 60W charging, a quicker Snapdragon 8 Elite Gen 5 chip and the new Privacy Display, while the screen size, battery capacity and camera line-up stay largely the same. The upgrade makes the most sense if you charge your phone in a hurry every day, shoot a lot of low-light photos or videos, or plan to keep your next phone for five years or more. If you are on a Galaxy S24 Ultra or older, the jump is far bigger and much easier to justify, especially at the festive-sale price of ₹1,24,999 that Amazon offered during the Great Indian Festival 2026.

Whichever way you lean, the single biggest lever on your upgrade cost is how much you get for your current phone. ReUz lets you sell your Galaxy S25 Ultra with a free doorstep pickup and instant UPI payment, and the sell page shows indicative prices for every storage variant before you book anything. Check your instant quote first, then decide with real numbers rather than guesses.

The short answer: who should upgrade and who should wait

Before we get into the specs, here is the quick version. Find the line that sounds like you.

• Upgrade now if your S25 Ultra's battery is already wearing down, you hate waiting over an hour for a full charge, you take a lot of night photos or 5x zoom shots, or you often use your phone in crowded places like the Metro, offices and airports where the Privacy Display would actually help.
• Wait if your S25 Ultra is in great shape, you are happy with its battery life, and you mainly use your phone for calls, WhatsApp, social media, UPI payments and streaming. In everyday use the two phones feel very similar.
• Definitely upgrade if you are coming from a Galaxy S23 Ultra or older. The gap in chip speed, charging and camera brightness adds up across two or three generations.
• Consider a discounted S25 Ultra instead if you are coming from a mid-range phone and the S26 Ultra stretches your budget. During the Amazon Great Indian Festival in October 2026 the S25 Ultra was listed at ₹89,999, well below the S26 Ultra's sale price.

Galaxy S25 Ultra vs Galaxy S26 Ultra: specs side by side

Samsung has kept the overall formula of the Ultra intact: a 6.9-inch QHD+ screen, a 5,000mAh battery, a built-in S Pen and a four-camera system led by a 200MP sensor. The changes are in the details, and some of those details matter more than others. The table below uses figures published by PhoneArena and Tom's Guide in their head-to-head comparisons.

On paper, the S26 Ultra wins almost every row, but notice how many rows are identical: the screen size and resolution, the battery capacity, the ultra-wide, the 3x telephoto, the selfie camera and the water resistance. That is why reviewers describe the upgrade as incremental for S25 Ultra owners and substantial for everyone else.

What actually changes in daily use

A spec sheet tells you what is different. It does not tell you whether you will notice. Here is how each change plays out for a typical Indian user.

1. Charging: the change you will feel every single day

This is the most practical upgrade. The S26 Ultra moves from 45W to 60W wired charging and from 15W to 25W wireless charging. In PhoneArena's testing, a full wired charge took 49 minutes on the S26 Ultra against 1 hour 9 minutes on the S25 Ultra. In 30 minutes, the S26 Ultra reached 78% while the S25 Ultra reached 68%. Samsung itself claims about 75% in roughly 30 minutes under optimal conditions.

Think about what that means for a normal Indian workday. If you forget to charge overnight and have 20 minutes before you leave for office, the S26 Ultra puts noticeably more charge into the battery in that window. If you travel often, sit in long meetings, or depend on your phone for cab bookings and UPI payments all day, faster top-ups reduce the anxiety of running low. Note that you need a compatible 60W charger to get these speeds; your old 45W brick will still work, just not at the top speed.

2. Camera: brighter lenses, same sensors

The main 200MP camera keeps a 1/1.3-inch sensor, but its aperture opens up from f/1.7 to f/1.4. The 50MP 5x telephoto moves from f/3.4 to f/2.9. Samsung claims the main camera is 47% brighter and the 5x telephoto 37% brighter. A wider aperture lets more light reach the sensor, which usually means cleaner low-light shots, faster shutter speeds and less blur when you photograph moving subjects indoors.

Where will you notice it? Diwali evenings with diyas and fairy lights, wedding functions in dim banquet halls, restaurant dinners and night-time street scenes. In bright daylight, the difference between the two phones is much harder to spot because both have plenty of light to work with.

The ultra-wide (50MP, f/1.9), the 3x telephoto (10MP, f/2.4) and the 12MP selfie camera are effectively carried over. PhoneArena lists the S26 Ultra's 3x telephoto with a slightly smaller sensor, so do not expect improvement there. On video, PhoneArena notes the S26 Ultra supports 4K up to 120fps in Pro Video mode and the APV codec, which matters mainly to people who edit their footage seriously.

3. Performance: faster, but the S25 Ultra is not slow

The Snapdragon 8 Elite Gen 5 for Galaxy is a clear step up. Samsung claims 19% faster CPU, 24% faster GPU and 39% better NPU performance, and PhoneArena's benchmarks back that direction: Geekbench 6 multi-core went from 9,769 to 11,259, and Geekbench AI (quantized) from 4,804 to 6,242. The S26 Ultra also gets a redesigned vapour chamber for cooling.

That said, the S25 Ultra's Snapdragon 8 Elite was already among the fastest chips of its generation. For scrolling Instagram, running BGMI, editing photos and juggling dozens of apps, you are unlikely to feel the S25 Ultra lagging today. The extra headroom matters more for long-term ownership: a faster chip ages better over five to seven years of updates, and on-device AI features keep getting heavier.

4. Privacy Display: the one genuinely new feature

The S26 Ultra's Privacy Display narrows side viewing angles so people next to you cannot easily read your screen. According to Tom's Guide, you can switch it on from Quick Settings, set it per app, or apply it to specific areas such as the notification panel. PhoneArena notes it can also be set to activate in specific situations, such as when you enter a PIN.

In India, where we enter UPI PINs and banking passwords in crowded buses, Metro coaches, queues and open-plan offices, this is more useful than it might sound. It is not a reason on its own to spend over a lakh, but if shoulder-surfing worries you, it is the one feature the S25 Ultra simply cannot match with a software update.

5. Battery life: no clear winner

Both phones use a 5,000mAh battery, and the S26 Ultra does not last meaningfully longer. In PhoneArena's tests the S26 Ultra did better in video playback (9h 54m vs 8h 54m) but worse in gaming (11h 49m vs 14h 21m), with browsing roughly level (20h 10m vs 20h 49m). Their overall battery estimate was 7h 53m for the S26 Ultra and 8h 0m for the S25 Ultra.

So if your main complaint about the S25 Ultra is battery life, a new S26 Ultra will not transform it. The real difference is how quickly you can refill the battery, not how long it lasts. If your S25 Ultra's battery has degraded with age, a battery replacement at an authorised service centre is another option to weigh against upgrading.

6. Design and build: lighter and thinner, but aluminium instead of titanium

The S26 Ultra is 7.9mm thick and weighs 214g, compared with 8.2mm and 218g for the S25 Ultra. Its cameras now sit directly on the back rather than in individual rings on the S25 Ultra. The bigger change is the frame: Samsung has moved from titanium to Armor Aluminum. Both phones use Gorilla Glass Armor 2 and are rated IP68.

Some buyers will see the titanium-to-aluminium change as a downgrade in premium feel, while others will simply enjoy the slightly lighter, slimmer body. Once you put a case on, which most Indian users do, the difference is small. Tom's Guide also notes that the S26 Ultra has no built-in magnetic ring for Qi2 accessories, so you still need a magnetic case to use snap-on chargers and wallets.

7. S Pen and software

The S Pen stays tucked inside both phones with the same pressure sensitivity and hover features. Tom's Guide points out that the Bluetooth features are still missing on the S26 Ultra, so there is no return of remote shutter clicks or presentation gestures. If you rely on the S Pen for notes and signatures, both phones behave the same way.

On software, the S26 Ultra launched with One UI 8.5 on Android 16 and comes with seven years of OS and security updates. Galaxy AI tools such as Now Brief, Now Bar and Now Nudge are on both phones, and PhoneArena found no AI feature that is exclusive to the S26 Ultra. Newer One UI 8.5 features such as call screening and an AI screenshot analyser arrived with the S26 series; whether and when they reach the S25 Ultra depends on Samsung's update roll-out.

Already leaning towards an upgrade? Before you click "buy" on any festive deal, find out what your current phone is worth. You can see what an S26 Ultra is worth on resale to understand how Ultras hold their value, and compare that with the instant quote for your current model. ReUz's price promise of up to 10% more than comparable offers from local buyers, OLX-style deals or retail exchange counters is worth checking before you accept any exchange bonus.

What the upgrade really costs you in India

The sticker price is only half the story. What you pay out of pocket is the new phone's price minus what you get for your old one, minus any bank offers. Here is how the numbers looked in October 2026.

Current prices for the new phones

During the Amazon Great Indian Festival 2026, Digit reported the Galaxy S26 Ultra at ₹1,24,999 against a listed price of ₹1,54,999, with an additional ₹6,249 cashback on the Amazon Pay ICICI Bank credit card. Business Today reported the Galaxy S25 Ultra at ₹89,999 on Amazon, down from ₹1,29,999. Festive prices change quickly and depend on variant, card and stock, so check the live listing before you decide.

What your current Ultra is worth

ReUz shows indicative prices for good-condition phones on each sell page, with the final price confirmed after a short in-person inspection. At the time of writing, the pages showed:

These are indicative figures for phones in good condition, not guaranteed payouts. Scratches, dents, display issues, battery health and missing accessories can change the final number, and prices are updated over time. Always check your instant quote for the exact model and variant you own.

A worked example

Say you own a 256GB Galaxy S25 Ultra in good condition and want the 256GB S26 Ultra at the festive price of ₹1,24,999. If your phone fetches the indicative ₹71,000, your net upgrade cost is about ₹53,999, before any card cashback. With the ICICI cashback reported by Digit, it drops a little further. If you own a 256GB Galaxy S24 Ultra at the indicative ₹70,000, the net cost is roughly ₹54,999, and the jump in features is considerably larger. If you own a 256GB Galaxy S23 Ultra at ₹51,000, the net cost rises to around ₹73,999, but you also gain three generations of improvements.

One interesting detail: the indicative resale prices for the S24 Ultra and S25 Ultra are very close. That tells you the market values the S25 Ultra's advantages over the S24 Ultra less than you might expect, which in turn suggests the S25 Ultra's resale price is under pressure, especially now that new units are selling at ₹89,999 in festive sales.

Exchange offer vs selling separately

Samsung and online retailers advertise exchange bonuses alongside these deals. Exchange is convenient because everything happens in one transaction, but you should compare three numbers before you accept it:

1. The exchange value the retailer offers for your exact phone after its condition checks, not the "up to" headline.
2. Any extra exchange bonus, and whether it is conditional on a specific card, a specific brand of old phone or a specific new variant.
3. What a buyback service will pay for the same phone, combined with any non-exchange discount on the new phone.

Exchange values are often applied after a remote quiz and a doorstep check, and the final number can drop if the agent spots wear. Selling separately also gives you flexibility: you can keep using your old phone until the new one arrives, transfer your data at your own pace, and then hand it over. If you want to understand how different selling routes compare, read our guide on OLX vs exchange offers vs buyback services in India.

Scenario-based advice: what we would do in your shoes

You bought the S25 Ultra at launch and it is in great condition

Your phone still has years of updates ahead and performs like a flagship. The S26 Ultra's charging and camera upgrades are nice, but you are paying roughly ₹54,000 net for them. If you can live without Privacy Display and faster charging, keeping the S25 Ultra for another year is a perfectly sensible choice. The flip side is resale value: every month you wait, your S25 Ultra is likely to be worth a bit less, especially as newer models launch.

You are a heavy camera user

If you photograph events, kids, pets or food in indoor light, the brighter f/1.4 main camera and f/2.9 5x telephoto are the most meaningful hardware improvements. Combined with faster processing, they should give you more keepers in tricky light. This is the strongest case for upgrading from an S25 Ultra.

You are on the move all day

Field sales, delivery coordination, frequent flyers, doctors on call: if your phone is a work tool that cannot run out, 60W charging and 25W wireless charging are worth real money to you. The S26 Ultra's full charge in under an hour, versus over an hour for the S25 Ultra, is a time saving you will notice daily.

You are on a Galaxy S23 Ultra or older

This is where the S26 Ultra makes the most sense, and even more so if you are still on a Galaxy S22 Ultra, in which case it is worth checking what you can get if you sell your Galaxy S22 Ultra before it loses more value. You get seven years of updates from launch, a much faster chip, better charging and brighter cameras. The S23 Ultra still has decent resale value, so selling it while it is worth around ₹51,000 to ₹57,000 for a good unit, as shown on ReUz at the time of writing, helps offset the cost.

You want a flagship but find ₹1.25 lakh too steep

The festive-price S25 Ultra at ₹89,999 is a strong alternative. You get the same screen size, the same 200MP main sensor, the same S Pen experience and a still-current Snapdragon 8 Elite chip, for about ₹35,000 less than the S26 Ultra's sale price. You give up Privacy Display, faster charging and the brighter lenses. For many buyers, that is a fair trade.

How to get the best price for your old Galaxy Ultra

Whether you upgrade now or later, a little preparation can lift what you are paid and protect your data.

Before you get a quote

1. Know your exact variant. Open Settings, then About phone, and note the model name and storage. The difference between 256GB and 1TB can be several thousand rupees.
2. Check battery health. In Samsung Members, run the battery diagnostics. A healthy battery supports a better condition grade.
3. Inspect the screen and frame under bright light. Be honest in the online estimate; if the condition matches what you declared, there are no surprises at pickup.
4. Find the box, charger cable and S Pen. A missing S Pen on an Ultra is a common cause of price deductions.
5. Clean the phone. A clean phone simply makes a better first impression during inspection.

Before you hand it over

1. Back up everything. Use Samsung Cloud, Google One or Smart Switch to move photos, chats and app data to your new phone. Back up WhatsApp separately from inside the app.
2. Move UPI and banking apps. Set up your UPI apps on the new phone and confirm they work before you remove the SIM from the old one.
3. Remove your Samsung and Google accounts. This disables device protection so the next owner can set up the phone.
4. Remove any eSIM or physical SIM and memory-related accessories.
5. Factory reset from Settings, General management, Reset. A ReUz executive verifies the factory reset during pickup, so your data is wiped in front of you.

For a deeper checklist on data, accounts, IMEI checks and common scams, see our guide on how to sell your old phone safely in India.

Timing your sale

Used flagship prices usually fall when new models launch and when big festive discounts make new phones cheaper. With the S25 Ultra already selling new at ₹89,999 in festive sales, buyers of used units have a cheaper alternative, which can weigh on resale prices. If you have decided to upgrade, selling sooner rather than later generally protects your value.

Things the S26 Ultra does not fix

It is just as important to know what you will not get, so you do not upgrade expecting something that is not there.

• No bigger battery. Capacity stays at 5,000mAh, and real-world endurance is roughly the same.
• No Bluetooth S Pen features. The S Pen remains a passive stylus for writing and drawing.
• No built-in magnets. Qi2 magnetic accessories need a magnetic case.
• No titanium. If the titanium frame was part of the appeal for you, the S26 Ultra's aluminium frame is a step sideways.
• No exclusive AI features. According to PhoneArena, the core Galaxy AI tools are shared with the S25 Ultra.
• Same selfie camera and ultra-wide. If those are what you use most, expect similar results.

Our verdict

The Galaxy S26 Ultra is the better phone, and it is easy to recommend to anyone using a Galaxy S24 Ultra or older. For S25 Ultra owners, it is a comfort upgrade rather than a must-have: faster charging, brighter cameras, a quicker chip and a clever privacy screen, wrapped in a slightly lighter body, with the same battery and much of the same camera hardware. Tom's Guide reached a similar conclusion: the improvements are largely incremental, and S25 Ultra owners are unlikely to feel a pressing need to upgrade right away. The S25 Ultra remains an excellent flagship, especially when it is heavily discounted.

If you do upgrade, your old phone is the key to keeping the cost reasonable. Selling it for a fair price, rather than accepting the first exchange value offered, can easily save you thousands of rupees.

Thinking of selling your Galaxy S25 Ultra?

If you have decided to move on, ReUz makes selling your Ultra quick and safe:

• Instant quote in 60 seconds: pick your model and storage, answer a few condition questions and see your price.
• Free doorstep pickup: book a slot that suits you in Delhi, Gurugram, Noida, Mumbai, Pune, Bangalore and other serviced areas.
• On-the-spot UPI payment: you are paid by UPI or bank transfer before the executive leaves.
• Data wiped in front of you: the executive verifies the factory reset at pickup.
• Up to 10% more: ReUz aims to beat comparable offers from local buyers and exchange counters.

Start with your model's page to get an instant quote for your Galaxy S25 Ultra, or search for any phone you want to sell.

Frequently asked questions

Is the Galaxy S26 Ultra worth upgrading to from the S25 Ultra?

Only if specific improvements matter to you. The S26 Ultra adds 60W wired and 25W wireless charging, a brighter f/1.4 main camera and f/2.9 5x telephoto, a faster Snapdragon 8 Elite Gen 5 chip and Privacy Display. Screen size, battery capacity and most of the camera hardware are unchanged, so many S25 Ultra owners can comfortably skip a generation.

Does the Galaxy S26 Ultra have better battery life than the S25 Ultra?

Not meaningfully. Both use a 5,000mAh battery. In PhoneArena's testing the S26 Ultra lasted longer in video playback but less in gaming, and its overall estimate was within a few minutes of the S25 Ultra. The real gain is faster charging: a full wired charge in 49 minutes versus 1 hour 9 minutes.

What is the Galaxy S26 Ultra price in India right now?

During the Amazon Great Indian Festival 2026, the S26 Ultra was available at ₹1,24,999, with an extra ₹6,249 cashback on the Amazon Pay ICICI Bank credit card, according to Digit. Prices change often during and after festive sales, so check the live price and the variant before you buy.

How much can I get for my used Galaxy S25 Ultra?

At the time of writing, the ReUz sell page showed indicative prices of ₹71,000 for 256GB, ₹73,000 for 512GB and ₹77,000 for 1TB in good condition. Your final price depends on the physical condition, battery health and accessories, and is confirmed during a short inspection at pickup. Check your instant quote for the current figure.

Should I take the exchange offer or sell my old Samsung phone separately?

Compare both. Exchange is convenient, but the final exchange value is often lower than the headline "up to" figure once condition checks are done. Get a buyback quote for the same phone, add any non-exchange discount on the new phone, and pick whichever leaves you paying less overall.

Sources

• PhoneArena: Samsung Galaxy S26 Ultra vs Galaxy S25 Ultra, all the differences
• Tom's Guide: Samsung Galaxy S26 Ultra vs S25 Ultra, what's different?
• Digit: Amazon Great Indian Festival 2026, Galaxy S26 Ultra price drops by Rs 30,000
• Business Today: Samsung Galaxy deals on Amazon, S25 Ultra at Rs 89,999