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Galaxy S24 Ultra vs Galaxy S25 Ultra

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Galaxy S24 Ultra

Starting at

£500.60£1,448.62 new
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Galaxy S25 Ultra

Starting at

£678.00£1,200.00 new
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(410 reviews)
(536 reviews)

What's the difference between the Galaxy S24 Ultra and Galaxy S25 Ultra?

Galaxy S24 Ultra vs S25 Ultra comes down to the chipset, screen size and screen type. Refurbished, the Galaxy S24 Ultra starts at £500.60, £177.40 less than the Galaxy S25 Ultra. The Galaxy S25 Ultra is the newer model, released in 2025.

Refurbished from

£500.60£678

Chipset

Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm)Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)

Screen size

6.8 inch6.9 inch

Screen type

Dynamic LTPO AMOLED 2XDynamic LTPO AMOLED 2X, 120Hz

Software updates

Until Jan 2031Until Feb 2032

Weight

232 g218 g
  • Chipset: Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) on the Galaxy S24 Ultra, Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) on the Galaxy S25 Ultra.
  • Screen size: 6.8 inch on the Galaxy S24 Ultra, 6.9 inch on the Galaxy S25 Ultra.
  • Screen type: Dynamic LTPO AMOLED 2X on the Galaxy S24 Ultra, Dynamic LTPO AMOLED 2X, 120Hz on the Galaxy S25 Ultra.

Galaxy S24 Ultra vs Galaxy S25 Ultra specs

The Galaxy S24 Ultra and Galaxy S25 Ultra share many core features like battery capacity, RAM, and screen resolution, making both strong options for users who want a high-end Samsung phone. The S25 Ultra offers a slightly larger screen and a newer Snapdragon 8 Elite chipset built on a smaller 3 nm process, which suits users who want the latest performance improvements. The S24 Ultra has a more detailed camera specification, useful if you want to understand its versatile camera lenses. Differences in size and weight may also influence your choice depending on how you prefer to hold your phone.

Galaxy S24 Ultra vs Galaxy S25 Ultra price

Galaxy S24 Ultra vs Galaxy S25 Ultra battery life and software updates

Durability covers battery, software updates, and physical build features that affect daily use. Both phones keep pace with current software and share the same battery capacity. Differences in SIM card setup and weight may be relevant depending on your needs.

Battery Life

Both the Galaxy S24 Ultra and Galaxy S25 Ultra have a 5000 mAh battery. This means you can expect similar battery life from each device, suitable for a full day of use without frequent recharging.

Software Updates

This ensures you get current Android features and security patches regardless of which model you choose.

SIM Card Setup

The Galaxy S24 Ultra supports Dual Physical SIM plus eSIM, which is convenient if you want to use two physical SIM cards alongside an eSIM. The Galaxy S25 Ultra supports Physical SIM plus eSIM only, which fits users who prefer a simpler SIM setup.

Weight Considerations

The Galaxy S25 Ultra weighs 218 g, making it lighter than the Galaxy S24 Ultra at 232 g. This difference may make the S25 Ultra easier to hold or carry for extended periods.

Battery

5000 mAh5000 mAh

Fast charging

45 W45 W

Foldable

NoNo

Ip rating

IP68IP68

Software updates

Until Jan 2031Until Feb 2032

Wireless charging

YesYes

Year of release

20242025

Galaxy S24 Ultra vs Galaxy S25 Ultra performance

Performance is driven by chipset, RAM, and storage options. Both phones have the same RAM and storage capacities, but the S25 Ultra features a newer chipset built on a smaller process, which may impact speed and efficiency.

Chipset

The Galaxy S24 Ultra uses the Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm), while the Galaxy S25 Ultra has the Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm). The S25 Ultra's chipset, built on a smaller 3 nm process, is designed to offer improved performance and energy efficiency, which benefits users who run demanding apps or multitask heavily.

RAM and Storage

Both phones come with 12 GB of RAM, supporting smooth multitasking and app switching. Storage options are identical, with 256GB, 512GB, and 1TB variants available, so either phone can handle large media libraries or extensive app collections.

Chipset

Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm)Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)

RAM

12 GB12 GB

Galaxy S24 Ultra vs Galaxy S25 Ultra screen

Screen quality affects how you experience video, gaming, and daily interaction. Both phones share the same resolution and refresh rate. Differences are mainly in screen size and some detail in screen type.

Screen Size

The Galaxy S24 Ultra has a 6.8 inch screen, while the Galaxy S25 Ultra offers a slightly larger 6.9 inch display. The bigger screen on the S25 Ultra gives you a bit more room for watching videos, gaming, or reading, which may appeal if you prefer a larger display.

Screen Type and Refresh Rate

Both phones feature a Dynamic LTPO AMOLED 2X screen with a 120 Hz refresh rate, delivering smooth motion and vibrant colours. Both screens are well suited to fluid visuals and responsive touch.

Refresh rate

120 Hz120 Hz

Resolution

1440 x 31201440x3120

Screen size

6.8 inch6.9 inch

Screen type

Dynamic LTPO AMOLED 2XDynamic LTPO AMOLED 2X, 120Hz

Galaxy S24 Ultra vs Galaxy S25 Ultra camera

Audiovisual capabilities cover cameras and front-facing photography. Both phones have the same front camera resolution, but the S24 Ultra provides more detailed information about its main camera setup.

Front Camera

Both the Galaxy S24 Ultra and Galaxy S25 Ultra have a 12 megapixel front camera, suitable for clear selfies and video calls.

Main Camera Details

The Galaxy S24 Ultra's main camera has a 200 megapixel wide lens with f/1.7 aperture and features like multi-directional PDAF and OIS. It also includes additional telephoto lenses with 3x and 5x optical zoom capabilities. This detailed setup suits photographers who want versatile zoom options and high resolution. The Galaxy S25 Ultra lists just "200 MP, f/1.7, 24mm (wide)" without the extra details, which means the S24 Ultra's camera specs provide a clearer picture of its camera system.

Camera type

N/AQuadruple (4x)

Front camera

12 megapixels12 megapixels

Main camera

200 megapixels200 megapixels

Galaxy S24 Ultra vs Galaxy S25 Ultra size and design

Miscellaneous features include size, network compatibility, and physical connectors. Here, several size measurements and SIM card formats differ noticeably, which might affect comfort and usability.

Dimensions

The Galaxy S24 Ultra measures 162.3 mm in height, 79 mm in width, and 8.6 mm in depth. The Galaxy S25 Ultra's listed dimensions include 162 mm height, 77 mm width, and 80 mm depth. These measurements indicate the S25 Ultra may be narrower and lighter, which aligns with its lower weight of 218 g compared to 232 g for the S24 Ultra. If size and handling are important, the S25 Ultra might feel more compact.

Connector Type

Both phones use USB-C connectors, supporting standard charging and data transfer setups.

Mobile Network and Carrier

Both devices support 5G networks and are unlocked, giving you flexibility to choose your carrier.

SIM Card Differences

The Galaxy S24 Ultra supports Dual Physical SIM plus eSIM, while the Galaxy S25 Ultra supports a single Physical SIM plus eSIM. This could matter if you regularly use two physical SIM cards.

Carrier compatibility

UnlockedUnlocked

Connector

USB-CUSB-C

Depth

8.6 mm8.2 mm

Height

162.3 mm162.8 mm

Mobile network

5G5G

Release date

31 January 20247 February 2025

SD card slot

NoNo

SIM card

Dual Physical SIM + eSIMPhysical SIM + eSIM

Weight

232 g218 g

Width

79 mm77.6 mm

Galaxy S24 Ultra or Galaxy S25 Ultra: which should you buy?

Buy the Galaxy S24 Ultra if

  • you want to spend less: it starts at £500.60, £177.40 less than the Galaxy S25 Ultra

Buy the Galaxy S25 Ultra if

  • you want longer software support (until Feb 2032 vs until Jan 2031)
  • you want a lighter build (218 g vs 232 g)

What our customers say

Customers who bought the Galaxy S24 Ultra often mention receiving phones in excellent or fair condition that look almost like new, with no scratches and strong battery life. They appreciate the inclusion of the S Pen and enjoy the phone's premium feel and performance. Many say the phone works perfectly and that the camera and display deliver great results. Several note it is their first refurbished phone and they were pleasantly surprised by the quality and value.

Galaxy S25 Ultra customers generally report phones that look like new with no marks or scratches and battery health close to 100%. They praise the phone's performance, excellent display, and camera quality in various lighting conditions. Some highlight the solid build and ease of use despite the many features. A few mention receiving the phone with different colours than ordered, but still express satisfaction with the device's condition and speed.

Both phones suit buyers who want a high-performing Samsung with ample storage and strong cameras. The Galaxy S24 Ultra appeals to those who value the stylus and detailed camera specs, while the Galaxy S25 Ultra fits users seeking a lighter phone with a slightly larger screen and the newest chipset technology.

Galaxy S24 Ultra vs Galaxy S25 Ultra FAQs

Galaxy S24 Ultra vs S25 Ultra comes down to the chipset, screen size and screen type. Chipset: Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) on the Galaxy S24 Ultra, Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) on the Galaxy S25 Ultra. Screen size: 6.8 inch on the Galaxy S24 Ultra, 6.9 inch on the Galaxy S25 Ultra.

The Galaxy S24 Ultra is cheaper refurbished, from £500.60 compared with £678 for the Galaxy S25 Ultra.

Both have the same battery: 5000 mAh.

Both have the same main camera: 200 megapixels.

The Galaxy S24 Ultra gets updates until Jan 2031. The Galaxy S25 Ultra gets updates until Feb 2032.

The Galaxy S25 Ultra adds longer software support (until Feb 2032 vs until Jan 2031) and a lighter build (218 g vs 232 g). Refurbished, it costs £177.40 more (from £678 vs £500.60).

Both come in 256GB, 512GB and 1TB refurbished.

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