Galaxy S25 Ultra vs iPhone 17 Pro
Shop Samsung Galaxy
Galaxy S25 Ultra
Starting at
£678.00£1,229.24 new
iPhone 17 Pro
Starting at
£1,074.24£1,099.00 newWhat's the difference between the Galaxy S25 Ultra and iPhone 17 Pro?
Galaxy S25 Ultra vs iPhone 17 Pro comes down to the chipset, battery and screen size. Refurbished, the Galaxy S25 Ultra starts at £678, £396.24 less than the iPhone 17 Pro.
Refurbished from
Chipset
Battery
Screen size
Screen type
Main camera
- Chipset: Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) on the Galaxy S25 Ultra, Apple A19 Pro (3 nm) on the iPhone 17 Pro.
- Battery: 5000 mAh on the Galaxy S25 Ultra, 3998 mAh, 4252 mAh on the iPhone 17 Pro.
- The Galaxy S25 Ultra has a bigger screen: 6.9 inch vs 6.3 inch.
Galaxy S25 Ultra vs iPhone 17 Pro specs
The Galaxy S25 Ultra and iPhone 17 Pro both offer high-end features for demanding users, but they differ in design and some key hardware choices. The Galaxy S25 Ultra has a larger 6.9-inch screen suited to those who want more room for video and productivity, while the iPhone 17 Pro's 6.3-inch display suits users who prefer a smaller, more pocketable device. Photography lovers who want very high megapixel counts may prefer the Galaxy's 200 MP main camera, whereas the iPhone's front camera has higher resolution for sharper selfies. Battery capacities differ, with the Galaxy offering a larger 5000 mAh battery, which may suit heavy users.
Galaxy S25 Ultra vs iPhone 17 Pro price
Colour
Galaxy S25 Ultra vs iPhone 17 Pro battery life and software updates
Durability covers battery size, software support, and physical design.
Battery Capacity
The Galaxy S25 Ultra has a 5000 mAh battery, which provides more capacity for extended use during a busy day without charging. The iPhone 17 Pro lists two battery capacities, 3998 mAh and 4252 mAh, indicating some variation depending on the model. Users prioritising longer battery life on a single charge may find the Galaxy better suited, while the iPhone still offers solid performance for typical daily use.
Operating System
The Galaxy S25 Ultra runs Android and the iPhone 17 Pro runs iOS. Your choice depends on which ecosystem and user experience you prefer.
Battery
Fast charging
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy S25 Ultra vs iPhone 17 Pro performance
Performance is driven by chipset and memory, which affect multitasking and app speed. Both phones are equipped to handle demanding tasks, with some technical differences in their processors.
Processor Technology
The Galaxy S25 Ultra is powered by the Qualcomm SM8750-AC Snapdragon 8 Elite built on a 3 nm process, while the iPhone 17 Pro uses the Apple A19 Pro, also a 3 nm chip. Both are designed for high efficiency and speed, so users can expect smooth performance whether gaming, editing, or multitasking.
Memory
Each device comes with 12 GB of RAM. This amount allows both phones to keep numerous apps open and running smoothly, making either choice suitable if you want to switch between apps quickly without delays.
Storage Options
Both phones are available in 256GB, 512GB, and 1TB storage options. This range suits users from those who need plenty of space for apps, photos, and videos to those wanting top-tier storage for large files.
Chipset
RAM
Galaxy S25 Ultra vs iPhone 17 Pro screen
Screen quality affects your viewing experience for videos, photos, and reading. The Galaxy S25 Ultra offers a larger and higher resolution screen, while the iPhone 17 Pro provides a smaller but very high-quality display.
Screen Size and Resolution
The Galaxy S25 Ultra has a 6.9-inch screen with a resolution of 1440x3120 pixels, making it well suited to users who want more screen real estate for immersive video watching and multitasking. The iPhone 17 Pro has a 6.3-inch screen with a resolution of 2622x1206 pixels, providing a sharper image density that benefits users preferring a compact device with crisp text and images.
Display Technology
The Galaxy S25 Ultra features a Dynamic LTPO AMOLED 2X display with a 120 Hz refresh rate, which helps smooth animations and scrolling. The iPhone 17 Pro uses a Super Retina XDR screen, also at 120 Hz, offering vibrant colours and brightness. Both are excellent for media consumption but may appeal differently based on size preference.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S25 Ultra vs iPhone 17 Pro camera
Camera and front-facing sensors determine how well you can capture photos and video calls. The two phones take different approaches to camera hardware that will suit different photography needs.
Main Camera Setup
The Galaxy S25 Ultra has a complex main camera array 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 setup is ideal for users who want detailed photos and versatile zoom options. The iPhone 17 Pro uses a 48 MP main camera designed for balanced performance and high-quality images with fewer megapixels but strong processing.
Front Camera Resolution
The iPhone 17 Pro offers an 18 MP front camera, which provides higher resolution selfies and video calls compared to the Galaxy S25 Ultra's 12 MP front camera. This may appeal to users focused on sharp self-portraits and video conferencing.
Camera type
Front camera
Main camera
Galaxy S25 Ultra vs iPhone 17 Pro size and design
Other features like size, weight, and connectivity can affect daily use. Both phones support 5G and use USB-C connectors, but differ in dimensions and SIM options.
Physical 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 17 Pro is smaller and lighter at 150 mm high, 71.9 mm wide, 8.8 mm deep, and 206 g. The Galaxy suits users wanting a larger device, while the iPhone offers a more compact option that fits easily in pockets.
SIM Card Support
The Galaxy S25 Ultra supports both a physical SIM and eSIM, which can be helpful if you want dual SIM capability with physical cards. The iPhone 17 Pro supports eSIM only, which suits users comfortable with digital SIM management.
Network and Connectivity
Both phones are unlocked and support 5G networks, providing fast mobile data where available. Both use USB-C connectors for charging and accessories, ensuring compatibility with modern cables.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S25 Ultra or iPhone 17 Pro: which should you buy?
Buy the Galaxy S25 Ultra if
- you want to spend less: it starts at £678, £396.24 less than the iPhone 17 Pro
- you want a bigger screen (6.9 inch vs 6.3 inch)
- you want an OLED screen
Buy the iPhone 17 Pro if
- you want a higher-resolution front camera (18 megapixels vs 12 megapixels)
- you want a lighter build (206 g vs 218 g)
What our customers say
Customers who chose the Galaxy S25 Ultra often highlight how it looks almost brand new and performs very well. They appreciate the strong battery life and excellent display for watching videos or using the S Pen. The camera quality receives praise for handling various lighting conditions. Many report smooth setup and reliable software updates. Some users find the size and weight substantial but acceptable given the features. Occasional comments mention colour variations or specific regional models, but overall the phone is seen as a great value choice with a premium feel.
Reviewers of the iPhone 17 Pro frequently mention the phone's pristine condition and strong battery health, making it suitable for students and content creators. The screen brightness and clarity are praised for outdoor use, and the smaller size fits better in pockets without feeling bulky. Users find the phone fast and reliable, with the front camera standing out for selfies and video calls. Some customers mention the ease of switching from older iPhones, and many are pleased with the storage and overall quality that feels close to new.
Both phones attract buyers who want flagship quality without paying full retail prices. The Galaxy suits those who prefer a larger display and versatile camera setup, while the iPhone appeals to users favouring a compact design and higher resolution front camera.
Galaxy S25 Ultra vs iPhone 17 Pro FAQs
Galaxy S25 Ultra vs iPhone 17 Pro comes down to the chipset, battery and screen size. Chipset: Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) on the Galaxy S25 Ultra, Apple A19 Pro (3 nm) on the iPhone 17 Pro. Battery: 5000 mAh on the Galaxy S25 Ultra, 3998 mAh, 4252 mAh on the iPhone 17 Pro.
The Galaxy S25 Ultra is cheaper refurbished, from £678 compared with £1074.24 for the iPhone 17 Pro.
The Galaxy S25 Ultra has 5000 mAh and the iPhone 17 Pro has 3998 mAh, 4252 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 17 Pro is still supported and can run iOS 27.
Both come in 256GB, 512GB and 1TB refurbished.









