Galaxy S25 Ultra vs iPhone 15 Pro
Shop Samsung Galaxy
Galaxy S25 Ultra
Starting at
£678.00£1,344.41 new
iPhone 15 Pro
Starting at
£542.00£1,099.00 newWhat's the difference between the Galaxy S25 Ultra and iPhone 15 Pro?
Galaxy S25 Ultra vs iPhone 15 Pro comes down to the chipset, RAM and battery. Refurbished, the iPhone 15 Pro starts at £542, £136 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 on the iPhone 15 Pro.
- The Galaxy S25 Ultra has more RAM: 12 GB vs 8 GB.
- The Galaxy S25 Ultra has a bigger battery: 5000 mAh vs 3274 mAh.
Galaxy S25 Ultra vs iPhone 15 Pro specs
The Galaxy S25 Ultra and iPhone 15 Pro differ notably in screen size, camera setup, battery capacity, and performance memory. The Galaxy S25 Ultra offers a larger 6.9 inch screen and a high-resolution 200 MP main camera with multiple telephoto options, suiting those who prioritise a spacious display and detailed photography. The iPhone 15 Pro has a smaller 6.1 inch screen and a 48 MP main camera, fitting buyers who prefer a more compact device with a capable camera. The Galaxy S25 Ultra has a larger battery and more RAM, which benefits heavy users and multitaskers. Your choice depends on whether you want a bigger screen and advanced camera versatility or a lighter, smaller device with a powerful chipset and iOS ecosystem.
Galaxy S25 Ultra vs iPhone 15 Pro price
Galaxy S25 Ultra vs iPhone 15 Pro battery life and software updates
Durability covers battery capacity, software updates, operating system, and physical design aspects. These influence how long the device lasts in daily use and how it fits your preferences for system and size.
Battery Capacity
The Galaxy S25 Ultra has a 5000 mAh battery, which suits users needing extended use between charges or heavy daily activity. The iPhone 15 Pro has a 3274 mAh battery, fitting those with more moderate usage or who charge more frequently.
Software Updates
This ensures continued access to new features and security improvements for users of either device.
Operating System
The Galaxy S25 Ultra runs Android, appealing to users who prefer Android's customisation and app ecosystem. The iPhone 15 Pro runs iOS, ideal for those invested in Apple's environment and services.
Battery
Fast charging
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy S25 Ultra vs iPhone 15 Pro performance
Performance involves the chipset and RAM, which affect how smoothly the device runs apps and handles multitasking. Storage options also impact how much data and media you can keep on the device.
Chipset
The Galaxy S25 Ultra is powered by the Qualcomm SM8750-AC Snapdragon 8 Elite built on 3 nm technology, designed for efficient and powerful Android performance. The iPhone 15 Pro uses the Apple A17 Pro chipset, optimised for iOS and known for strong performance in gaming and creative apps.
RAM
With 12 GB of RAM, the Galaxy S25 Ultra can keep more apps active in the background, which benefits multitasking and heavy app use. The iPhone 15 Pro has 8 GB of RAM, sufficient for smooth everyday use and most demanding iOS applications.
Storage Options
The Galaxy S25 Ultra is available in 256GB, 512GB, and 1TB versions, offering ample space for apps, photos, and videos. The iPhone 15 Pro adds a 128GB option alongside 256GB, 512GB, and 1TB, giving more choice for buyers with varied storage needs.
Chipset
RAM
Galaxy S25 Ultra vs iPhone 15 Pro screen
Screen quality includes size, resolution, type, and refresh rate. These affect how you experience media, gaming, and everyday use in terms of clarity, smoothness, and comfort.
Screen Size
The Galaxy S25 Ultra has a 6.9 inch screen, ideal for watching videos, gaming, and productivity where more display space is beneficial. The iPhone 15 Pro's 6.1 inch screen suits users who prefer a more compact phone that is easier to hold and pocket.
Resolution
With a resolution of 1440x3120, the Galaxy S25 Ultra offers a very high pixel count for sharp images and text on its large screen. The iPhone 15 Pro's 1179x2556 resolution is lower but still delivers clear visuals on its smaller display.
Screen Type and Refresh Rate
The Galaxy S25 Ultra uses Dynamic LTPO AMOLED 2X with a 120 Hz refresh rate, providing vibrant colours and smooth motion. The iPhone 15 Pro features an LTPO Super Retina XDR OLED screen also at 120 Hz, offering excellent brightness and colour accuracy. Both deliver fluid scrolling and responsive touch.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S25 Ultra vs iPhone 15 Pro camera
Audiovisual covers the cameras, crucial for photography and video. Differences here influence what kind of photos you can take and how much detail you capture.
Main Camera Setup
The Galaxy S25 Ultra has a versatile triple camera system including a 200 MP wide sensor, a 10 MP telephoto with 3x optical zoom, and a 50 MP periscope telephoto with 5x optical zoom. This suits users who want detailed photos and flexible zoom options. The iPhone 15 Pro has a 48 MP main camera offering excellent image quality and colour accuracy, fitting those who prefer a simpler, high-quality camera system.
Front Camera
Both devices have a 12 MP front camera, suitable for selfies and video calls with good detail and clarity.
Camera type
Front camera
Main camera
Galaxy S25 Ultra vs iPhone 15 Pro size and design
This section covers various practical details like size, weight, connectivity, and SIM options that affect daily convenience and compatibility.
Physical Dimensions and Weight
The Galaxy S25 Ultra is larger and heavier, measuring 162 mm tall, 77 mm wide, and weighing 218 g. This size fits users who want a bigger phone and don't mind the extra weight. The iPhone 15 Pro is smaller and lighter at 146.6 mm tall, 70.6 mm wide, and 171 g, better for those prioritising pocketability and ease of use with one hand.
Connector Type
Both phones use USB-C connectors.
SIM Card Options
The Galaxy S25 Ultra supports a physical SIM and eSIM, offering flexibility for users who want to switch between carriers or use multiple lines. The iPhone 15 Pro supports eSIM only, which suits users comfortable with digital SIM management.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S25 Ultra or iPhone 15 Pro: 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 3274 mAh)
- you want a bigger screen (6.9 inch vs 6.1 inch)
Buy the iPhone 15 Pro if
- you want to spend less: it starts at £542, £136 less than the Galaxy S25 Ultra
- you want a lighter build (187 g vs 218 g)
What our customers say
Customers say the Galaxy S25 Ultra looks almost brand new with no marks or scratches and often has battery health close to 100%. Many appreciate the large, excellent display and solid build quality. The camera receives praise for capturing great photos in various lighting without fiddling with settings. Users enjoy the phone's performance and AI features, and find it easy to use despite its many capabilities. Some highlight the battery lasting all day and the overall impression that the phone feels like new. A few mention receiving slightly different colours than ordered and express concern when phones are US models rather than UK.
Reviews for the iPhone 15 Pro also show many customers find the phone looks like new with minimal scratches and battery health generally between 88 and 100 percent. The performance meets expectations for a flagship device and the camera is described as great for photos and videos. Buyers like the compact size and smooth iOS experience. Several mention being happy with the condition and express appreciation for the environmental benefit of buying refurbished. Some note minor screen scratches but consider them minor given the price saving, while others received phones that felt brand new.
Overall, Galaxy S25 Ultra customers often highlight the large screen and strong camera setup, which suit those wanting a spacious device for media and photography. iPhone 15 Pro customers value a lighter, smaller phone with solid performance and photo quality, ideal for users preferring iOS and a more compact design.
Galaxy S25 Ultra vs iPhone 15 Pro FAQs
Galaxy S25 Ultra vs iPhone 15 Pro 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 on the iPhone 15 Pro. The Galaxy S25 Ultra has more RAM: 12 GB vs 8 GB.
The iPhone 15 Pro is cheaper refurbished, from £542 compared with £678 for the Galaxy S25 Ultra.
The Galaxy S25 Ultra has a bigger battery: 5000 mAh vs 3274 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 is still supported and can run iOS 27.
Refurbished, the Galaxy S25 Ultra comes in 256GB, 512GB and 1TB, and the iPhone 15 Pro in 128GB, 256GB, 512GB and 1TB.
