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Galaxy S25 Ultra vs Galaxy S26

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Galaxy S25 Ultra

Starting at

£678.00£1,344.41 new
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Galaxy S26

Starting at

£658.95£999.00 new
See options
(536 reviews)
(48 reviews)

What's the difference between the Galaxy S25 Ultra and Galaxy S26?

Galaxy S25 Ultra vs S26 comes down to the chipset, battery and screen size. Refurbished, the Galaxy S26 starts at £658.95, £19.05 less than the Galaxy S25 Ultra. The Galaxy S26 is the newer model, released in 2026.

Refurbished from

£678£658.95

Chipset

Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)Exynos 2600

Battery

5000 mAh4300 mAh

Screen size

6.9 inch6.3 inch

Screen type

Dynamic LTPO AMOLED 2X, 120HzDynamic LTPO AMOLED 2X

Main camera

200 megapixels50 megapixels
  • Chipset: Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) on the Galaxy S25 Ultra, Exynos 2600 on the Galaxy S26.
  • The Galaxy S25 Ultra has a bigger battery: 5000 mAh vs 4300 mAh.
  • The Galaxy S25 Ultra has a bigger screen: 6.9 inch vs 6.3 inch.

Galaxy S25 Ultra vs Galaxy S26 specs

The Galaxy S25 Ultra and Galaxy S26 differ mainly in screen size and resolution, camera setup, battery capacity, and physical dimensions. The Galaxy S25 Ultra offers a larger 6.9 inch screen with higher resolution, suited to users who want a spacious display for media and detailed viewing. Its battery is bigger, providing more capacity for longer use between charges. The S25 Ultra also has a quadruple rear camera setup, appealing to those who prioritise versatile photography. The Galaxy S26 is smaller and lighter, with a 6.3 inch screen and a triple camera array, fitting those who prefer a more compact device that is easier to handle.

Galaxy S25 Ultra vs Galaxy S26 price

Galaxy S25 Ultra vs Galaxy S26 battery life and software updates

Battery life and software support are important for how long your phone lasts daily and stays up to date. The main difference here is battery capacity.

Battery Capacity

The Galaxy S25 Ultra has a 5000 mAh battery, which means it can potentially last longer between charges, especially if you use power-hungry features like a large screen or camera. The Galaxy S26 has a 4300 mAh battery, which is smaller but still suitable for a full day of moderate use. If you want longer battery life without charging, the S25 Ultra may be preferable.

Battery

5000 mAh4300 mAh

Fast charging

45 W25 W

Foldable

NoNo

Ip rating

IP68IP68

Software updates

Until Feb 2032Until Mar 2033

Wireless charging

YesYes

Year of release

20252026

Galaxy S25 Ultra vs Galaxy S26 performance

Chipset

Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)Exynos 2600

RAM

12 GB12 GB

Galaxy S25 Ultra vs Galaxy S26 screen

Screen size, resolution and type affect how you view content and interact with your phone. Both phones use Dynamic LTPO AMOLED 2X screens and support a 120 Hz refresh rate, which makes scrolling and animations smooth.

Screen Size and Resolution

The Galaxy S25 Ultra has a larger 6.9 inch screen with a resolution of 1440x3120. This means videos, games and reading material appear sharper and with more detail, offering a roomier viewing experience. The Galaxy S26 has a smaller 6.3 inch screen with a 1080x2340 resolution, making it more compact and easier to use one-handed. The S26 suits those who want a handy size, while the S25 Ultra suits those who enjoy a bigger display.

Refresh rate

120 Hz120 Hz

Resolution

1440x31201080 x 2340

Screen size

6.9 inch6.3 inch

Screen type

Dynamic LTPO AMOLED 2X, 120HzDynamic LTPO AMOLED 2X

Galaxy S25 Ultra vs Galaxy S26 camera

Camera setups and front camera resolution determine photo versatility and selfie quality. Both phones feature a 12 megapixel front camera for clear selfies and video calls.

Rear Camera Setup

The Galaxy S25 Ultra offers a quadruple rear camera system, allowing for more shooting options like wide-angle, telephoto or macro shots. This suits users who want to experiment with photography and capture different perspectives. The Galaxy S26 has a triple rear camera setup, which still covers the main photo needs but with fewer lenses, making it simpler for everyday use.

Camera type

Quadruple (4x)Triple (3x)

Front camera

12 megapixels12 megapixels

Main camera

200 megapixels50 megapixels

Galaxy S25 Ultra vs Galaxy S26 size and design

Physical size, weight and storage options affect how the phone feels in your hand and how much data you can keep. Both phones support 5G connectivity and offer unlocked versions with USB-C connectors.

Dimensions and Weight

The Galaxy S25 Ultra measures 162 mm by 77 mm and weighs 218 g. This gives it a substantial feel and larger footprint, suited to those who prefer a bigger phone. The Galaxy S26 is smaller and lighter at 149.6 mm by 71.7 mm and 167 g, which makes it easier to carry and use with one hand.

Storage Options

The Galaxy S25 Ultra is available with 256GB, 512GB or 1TB of storage, giving plenty of space for apps, photos and files. The Galaxy S26 offers 256GB and 512GB options, which suit users who want ample storage but do not need the highest capacity.

Carrier compatibility

UnlockedUnlocked

Connector

USB-CUSB-C

Depth

8.2 mm7.2 mm

Height

162.8 mm149.6 mm

Mobile network

5G5G

Release date

7 February 202511 March 2026

SD card slot

NoNo

SIM card

Physical SIM + eSIMPhysical SIM + eSIM

Weight

218 g167 g

Width

77.6 mm71.7 mm

Galaxy S25 Ultra or Galaxy S26: which should you buy?

Buy the Galaxy S25 Ultra if

  • you want a bigger battery (5000 mAh vs 4300 mAh)
  • you want a bigger screen (6.9 inch vs 6.3 inch)
  • you want a higher-resolution main camera (200 megapixels vs 50 megapixels)

Buy the Galaxy S26 if

  • you want to spend less: it starts at £658.95, £19.05 less than the Galaxy S25 Ultra
  • you want longer software support (until Mar 2033 vs until Feb 2032)
  • you want a lighter build (167 g vs 218 g)

What our customers say

Customers who chose the Galaxy S25 Ultra appreciate its like-new condition, often noting it looks almost brand new with no marks or scratches and that the battery health is excellent. Many praise the phone's large, excellent display and solid build quality. The camera receives positive comments for capturing great photos in various lighting without much fiddling. Several customers mention the phone performs well for all-day use and is easy to operate despite its many features. Some like the included S Pen and the overall speed and responsiveness. Occasional remarks highlight the substantial size and weight, and a few note colour differences from their order.

Users of the Galaxy S26 highlight its crisp, beautiful screen and solid feel in the hand. The phone is described as quick and responsive, with battery life sufficient to last a full day on moderate use. Many say it looks clean and almost new, with only minor marks in some cases. The storage space suits everyday needs, and the phone handles work tasks like emails and video calls smoothly. Some customers received brand new factory-sealed devices when ordering high-tier options, appreciating the premium condition.

Overall, the Galaxy S25 Ultra appeals to those wanting a larger screen, more camera versatility and higher storage capacity, while the Galaxy S26 suits people looking for a smaller, lighter phone with ample power and storage for everyday use.

Galaxy S25 Ultra vs Galaxy S26 FAQs

Galaxy S25 Ultra vs S26 comes down to the chipset, battery and screen size. Chipset: Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) on the Galaxy S25 Ultra, Exynos 2600 on the Galaxy S26. The Galaxy S25 Ultra has a bigger battery: 5000 mAh vs 4300 mAh.

The Galaxy S26 is cheaper refurbished, from £658.95 compared with £678 for the Galaxy S25 Ultra.

The Galaxy S25 Ultra has a bigger battery: 5000 mAh vs 4300 mAh.

The Galaxy S25 Ultra has a higher-resolution main camera: 200 megapixels vs 50 megapixels.

The Galaxy S25 Ultra gets updates until Feb 2032. The Galaxy S26 gets updates until Mar 2033.

The Galaxy S26 adds longer software support (until Mar 2033 vs until Feb 2032) and a lighter build (167 g vs 218 g). Refurbished, it costs £19.05 less (from £658.95 vs £678).

Refurbished, the Galaxy S25 Ultra comes in 256GB, 512GB and 1TB, and the Galaxy S26 in 256GB and 512GB.

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