Galaxy S25 Ultra vs iPhone 15 Pro Max
Shop Samsung Galaxy
Galaxy S25 Ultra
Starting at
£678.00£1,249.00 new
iPhone 15 Pro Max
Starting at
£577.65£1,199.00 newWhat's the difference between the Galaxy S25 Ultra and iPhone 15 Pro Max?
Galaxy S25 Ultra vs iPhone 15 Pro Max comes down to the chipset, RAM and battery. Refurbished, the iPhone 15 Pro Max starts at £577.65, £100.35 less than the Galaxy S25 Ultra. The Galaxy S25 Ultra is the newer model, released in 2025.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) on the Galaxy S25 Ultra, Apple A17 Pro (3 nm) on the iPhone 15 Pro Max.
- The Galaxy S25 Ultra has more RAM: 12 GB vs 8 GB.
- The Galaxy S25 Ultra has a bigger battery: 5000 mAh vs 4441 mAh.
Galaxy S25 Ultra vs iPhone 15 Pro Max specs
The Galaxy S25 Ultra and the iPhone 15 Pro Max differ in key areas like operating system, screen size, camera setup, and battery capacity. The Galaxy S25 Ultra has a larger 6.9 inch screen with a higher resolution, more RAM, and a more detailed main camera system with four lenses. It also offers a bigger 5000 mAh battery. The iPhone 15 Pro Max features iOS, a slightly smaller 6.7 inch screen, and a triple camera system with a 48 MP main sensor. Choose the Galaxy S25 Ultra if you want a bigger display, more memory, and advanced camera options. The iPhone 15 Pro Max suits those who prefer iOS with a compact size and a balanced set of features.
Galaxy S25 Ultra vs iPhone 15 Pro Max price
Galaxy S25 Ultra vs iPhone 15 Pro Max battery life and software updates
Durability covers battery size, system updates, and physical design.
Battery Capacity
The Galaxy S25 Ultra has a 5000 mAh battery, which is larger than the iPhone 15 Pro Max's 4441 mAh. This difference can matter if you often use your phone for extended periods without access to charging. The Galaxy S25 Ultra may suit users who need longer battery life between charges.
Operating System
The Galaxy S25 Ultra runs on Android, while the iPhone 15 Pro Max uses iOS. Your choice here depends on which ecosystem you prefer and the apps you use regularly.
Battery
Fast charging
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy S25 Ultra vs iPhone 15 Pro Max performance
Performance is shaped by chipset and memory. Both phones use advanced 3 nm processors but differ in RAM, which affects multitasking and app handling.
Processor Technology
The Galaxy S25 Ultra is powered by the Qualcomm SM8750-AC Snapdragon 8 Elite, while the iPhone 15 Pro Max uses Apple's A17 Pro chipset. Both are built on 3 nm technology, so they provide efficient and capable performance for demanding apps and games.
RAM Size
With 12 GB of RAM, the Galaxy S25 Ultra can keep more apps active in the background, which benefits users who switch frequently between multiple apps. The iPhone 15 Pro Max has 8 GB of RAM, which is sufficient for smooth everyday use and most multitasking scenarios.
Storage Options
Both devices come with 256GB, 512GB, and 1TB storage choices. This range suits everyone from casual users to those needing plenty of space for media and apps.
Chipset
RAM
Galaxy S25 Ultra vs iPhone 15 Pro Max screen
Screen quality affects how you view media, use apps, and interact with your phone. Both phones have 120 Hz refresh rates but differ in size, resolution, and screen technology.
Screen Size and Resolution
The Galaxy S25 Ultra offers a larger 6.9 inch screen with a resolution of 1440x3120. This is ideal if you watch videos, play games, or read on your phone and want more screen real estate and finer detail. The iPhone 15 Pro Max has a slightly smaller 6.7 inch screen and a resolution of 1290x2796, which still delivers sharp visuals in a more compact form.
Screen Technology
The Galaxy S25 Ultra uses Dynamic LTPO AMOLED 2X technology, which supports 120 Hz for smooth scrolling and animations. The iPhone 15 Pro Max features an LTPO Super Retina XDR OLED screen with the same refresh rate, offering rich colours and deep blacks. Both screens suit users who value smooth and vibrant displays.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S25 Ultra vs iPhone 15 Pro Max camera
Camera and front-facing sensors shape your photo and video experience. The devices differ in camera count and main sensor detail, suiting different photography styles.
Main Camera Setup
The Galaxy S25 Ultra has a quadruple camera system with a standout 200 MP main sensor, along with two telephoto lenses offering 3x and 5x optical zoom. This setup suits photography enthusiasts who want detailed shots and versatile zoom options. The iPhone 15 Pro Max has a triple camera system with a 48 MP main sensor, providing high-quality photos with fewer lenses, ideal for users who prefer simplicity with excellent results.
Front Camera
Both the Galaxy S25 Ultra and the iPhone 15 Pro Max have a 12 megapixel front camera, which is suitable for clear selfies and video calls.
Camera type
Front camera
Main camera
Galaxy S25 Ultra vs iPhone 15 Pro Max size and design
Various features like size, weight, connectivity, and SIM options influence everyday use. Both phones offer unlocked 5G and USB-C connectors, with some differences in physical dimensions.
Size and Weight
The Galaxy S25 Ultra measures 162 mm in height, 77 mm in width, and 8 mm in depth, weighing 218 g. The iPhone 15 Pro Max is slightly smaller at 159.9 mm tall, 76.7 mm wide, and 8.3 mm thick, weighing 221 g. Choose the Galaxy S25 Ultra if you prefer a larger device, or the iPhone 15 Pro Max for a more compact feel.
SIM and Network
Both phones support 5G networks and offer a combination of physical SIM and eSIM options. This flexibility works well for users who switch carriers or travel frequently.
Connector Type
Both devices use USB-C connectors for charging and data transfer, making them compatible with a wide range of cables and accessories.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S25 Ultra or iPhone 15 Pro Max: which should you buy?
Buy the Galaxy S25 Ultra if
- you want more RAM (12 GB vs 8 GB)
- you want a bigger battery (5000 mAh vs 4441 mAh)
- you want a bigger screen (6.9 inch vs 6.7 inch)
Buy the iPhone 15 Pro Max if
- you want to spend less: it starts at £577.65, £100.35 less than the Galaxy S25 Ultra
What our customers say
Customers who bought the Galaxy S25 Ultra report that the phone looks almost brand new with no marks or scratches. Battery health often checks at or near 100%, and users comment on the long-lasting battery and excellent display. Many mention that the phone performs well, runs fast, and the camera delivers great photos in various lighting conditions without needing much adjustment. The larger screen and solid build quality also receive praise. Some highlight the ease of use despite the phone's advanced features and appreciate the value of buying refurbished for saving money and helping the environment.
For the iPhone 15 Pro Max, customers say the phone appears brand new with very good battery health, usually in the mid to high 80s or above. The screen is described as clear and scratch-free, and the body looks excellent with only minimal signs of use. Users report a strong battery life that lasts all day with normal to heavy use. The camera quality is noted as excellent, and the phone runs smoothly with no major issues. Many customers who switched from other brands find the iPhone 15 Pro Max a satisfying upgrade.
Both phones suit buyers who want premium refurbished devices that look and feel nearly new. The Galaxy S25 Ultra appeals to those who want a larger screen, more RAM, and advanced camera features, while the iPhone 15 Pro Max suits users who prefer iOS with a slightly smaller, lighter device and a balanced camera system.
Galaxy S25 Ultra vs iPhone 15 Pro Max FAQs
Galaxy S25 Ultra vs iPhone 15 Pro Max comes down to the chipset, RAM and battery. Chipset: Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) on the Galaxy S25 Ultra, Apple A17 Pro (3 nm) on the iPhone 15 Pro Max. The Galaxy S25 Ultra has more RAM: 12 GB vs 8 GB.
The iPhone 15 Pro Max is cheaper refurbished, from £577.65 compared with £678 for the Galaxy S25 Ultra.
The Galaxy S25 Ultra has a bigger battery: 5000 mAh vs 4441 mAh.
The Galaxy S25 Ultra has a higher-resolution main camera: 200 megapixels vs 48 megapixels.
The Galaxy S25 Ultra gets updates until Feb 2032. The iPhone 15 Pro Max is still supported and can run iOS 27.
Both come in 256GB, 512GB and 1TB refurbished.








