Galaxy S24 Ultra vs Galaxy S25
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Galaxy S24 Ultra
Starting at
£500.60£1,448.62 new
Galaxy S25
Starting at
£475.30£799.00 newWhat's the difference between the Galaxy S24 Ultra and Galaxy S25?
Galaxy S24 Ultra vs S25 comes down to the chipset, battery and screen size. Refurbished, the Galaxy S25 starts at £475.30, £25.30 less than the Galaxy S24 Ultra. The Galaxy S25 is the newer model, released in 2025.
Refurbished from
Chipset
Battery
Screen size
Screen type
Main camera
- 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.
- The Galaxy S24 Ultra has a bigger battery: 5000 mAh vs 4000 mAh.
- The Galaxy S24 Ultra has a bigger screen: 6.8 inch vs 6.2 inch.
Galaxy S24 Ultra vs Galaxy S25 specs
The Galaxy S24 Ultra offers a larger screen with higher resolution and a bigger battery, making it suitable for users who want a spacious display and longer battery life. It also features a very high-resolution main camera and a 12 megapixel front camera, appealing to those focused on photography. The Galaxy S25 is smaller and lighter, with a more recent chipset and a higher resolution front camera, suited for users who prefer a compact device with strong performance and selfie capabilities. Storage options differ, with the S24 Ultra available in larger capacities. Both run Android and support 5G, offering unlocked models for flexible carrier use.
Galaxy S24 Ultra vs Galaxy S25 price
Galaxy S24 Ultra vs Galaxy S25 battery life and software updates
Battery capacity and software support affect how long each phone lasts on a charge and stays up to date.
Battery Capacity
The Galaxy S24 Ultra has a 5000 mAh battery, which supports extended use between charges, ideal if you often use your phone for long periods away from power. The Galaxy S25 has a 4000 mAh battery, which suits users who value a lighter phone and might charge more frequently or use power-saving features.
Battery
Fast charging
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy S24 Ultra vs Galaxy S25 performance
Performance depends on the chipset, RAM, and storage options. Both phones have the same RAM but different processors and storage sizes available.
Chipset
The Galaxy S24 Ultra uses the Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm), while the Galaxy S25 features the Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm). The S25's chipset is built on a smaller 3 nm process, which may offer efficiency and performance improvements for users who run demanding apps or multitask heavily.
RAM and Storage
Both devices come with 12 GB of RAM, keeping apps running smoothly. Storage for the S24 Ultra starts at 256GB and goes up to 1TB, offering ample space for users with large media libraries or many apps. The Galaxy S25 offers storage from 128GB to 512GB, which fits everyday use and moderate storage needs.
Chipset
RAM
Galaxy S24 Ultra vs Galaxy S25 screen
Screen size and resolution influence how much you see and how sharp images appear. Both phones share the same refresh rate and screen technology.
Screen Size
The Galaxy S24 Ultra has a larger 6.8 inch screen, providing more room for video, gaming, and multitasking. The Galaxy S25's 6.2 inch display suits those who prefer a compact phone that is easier to hold and use with one hand.
Resolution
The S24 Ultra's resolution is 1440 x 3120, delivering sharper and more detailed images, which benefits users who appreciate high-definition content. The S25 has a 1080 x 2340 resolution, which is clear and smooth for everyday viewing but less dense than the Ultra's.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S24 Ultra vs Galaxy S25 camera
Camera specifications differ notably, affecting photo and video quality especially for selfies and main shots.
Front Camera
The Galaxy S25 has a 50 megapixel front camera with an f/1.8 aperture and 24mm wide angle, ideal for high-resolution selfies and video calls. The Galaxy S24 Ultra's front camera is 12 megapixels, which is still very capable for clear self-portraits and video.
Main Camera
The Galaxy S24 Ultra features a 200 megapixel main camera, suitable for capturing very detailed photos and large prints. The Galaxy S25 has a 50 megapixel main camera, which suits everyday photography with good detail and colour reproduction.
Camera type
Front camera
Main camera
Galaxy S24 Ultra vs Galaxy S25 size and design
Size, weight, and other features affect how the phones feel and fit in daily life, including network compatibility and physical dimensions.
Physical Size and Weight
The Galaxy S24 Ultra is larger and heavier, measuring 162.3 mm tall, 79 mm wide, and 8.6 mm deep at 232 g. This suits users who prefer a substantial phone with a big display. The Galaxy S25 is smaller and lighter at 146.9 mm tall, 70.5 mm wide, 7.2 mm deep, and 162 g, making it easier to handle and carry.
SIM and Network
The Galaxy S24 Ultra supports dual physical SIMs plus eSIM, offering flexible options for managing multiple numbers. The Galaxy S25 supports dual physical SIMs. Both phones are unlocked and support 5G networks.
Connector
Both the Galaxy S24 Ultra and Galaxy S25 use USB-C connectors for charging and data transfer.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S24 Ultra or Galaxy S25: which should you buy?
Buy the Galaxy S24 Ultra if
- you want a bigger battery (5000 mAh vs 4000 mAh)
- you want a bigger screen (6.8 inch vs 6.2 inch)
- you want a higher-resolution main camera (200 megapixels vs 50 megapixels)
Buy the Galaxy S25 if
- you want to spend less: it starts at £475.30, £25.30 less than the Galaxy S24 Ultra
- you want a higher-resolution front camera (50 megapixels vs 12 megapixels)
- you want longer software support (until Feb 2032 vs until Jan 2031)
What our customers say
Customers choosing the Galaxy S24 Ultra praise its condition, performance, and battery life. Many mention the device looks like new with no scratches and express satisfaction with the camera and overall speed. Users appreciate the larger screen and stylus functionality. Battery life is reported to last all day, and performance feels premium, suitable for those wanting a powerful phone with ample storage options.
Reviews for the Galaxy S25 highlight its compact size and excellent condition, with many users saying it feels like a brand new device. The battery life is described as lasting all day, and the camera quality is praised, especially the front camera. Some customers note minor cosmetic flaws but overall satisfaction with the device's performance and appearance is common.
Both phones suit different needs: the Galaxy S24 Ultra fits users wanting a larger, feature-rich device with high storage and camera resolution. The Galaxy S25 appeals to those looking for a lighter, smaller phone with strong performance and a high-quality front camera.
Galaxy S24 Ultra vs Galaxy S25 FAQs
Galaxy S24 Ultra vs S25 comes down to the chipset, battery and screen size. 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. The Galaxy S24 Ultra has a bigger battery: 5000 mAh vs 4000 mAh.
The Galaxy S25 is cheaper refurbished, from £475.30 compared with £500.60 for the Galaxy S24 Ultra.
The Galaxy S24 Ultra has a bigger battery: 5000 mAh vs 4000 mAh.
The Galaxy S24 Ultra has a higher-resolution main camera: 200 megapixels vs 50 megapixels.
The Galaxy S24 Ultra gets updates until Jan 2031. The Galaxy S25 gets updates until Feb 2032.
The Galaxy S25 adds a higher-resolution front camera (50 megapixels vs 12 megapixels), longer software support (until Feb 2032 vs until Jan 2031) and a lighter build (162 g vs 232 g). Refurbished, it costs £25.30 less (from £475.30 vs £500.60).
Refurbished, the Galaxy S24 Ultra comes in 256GB, 512GB and 1TB, and the Galaxy S25 in 128GB, 256GB and 512GB.







