Galaxy S23 Ultra vs iPhone 15 Pro
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Galaxy S23 Ultra
Starting at
£369.24£1,599.00 new
iPhone 15 Pro
Starting at
£542.00£1,099.00 newWhat's the difference between the Galaxy S23 Ultra and iPhone 15 Pro?
Galaxy S23 Ultra vs iPhone 15 Pro comes down to the chipset, RAM and battery. Refurbished, the Galaxy S23 Ultra starts at £369.24, £172.76 less than the iPhone 15 Pro.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) on the Galaxy S23 Ultra, Apple A17 Pro on the iPhone 15 Pro.
- The Galaxy S23 Ultra has more RAM: 12 GB vs 8 GB.
- The Galaxy S23 Ultra has a bigger battery: 5000 mAh vs 3274 mAh.
Galaxy S23 Ultra vs iPhone 15 Pro specs
The Galaxy S23 Ultra and iPhone 15 Pro both offer high-end features but cater to different preferences. The Galaxy S23 Ultra has a larger screen, more RAM, and a bigger battery, making it suitable for users who want a spacious display and extended battery life. The iPhone 15 Pro is more compact and lighter, with a sharp screen and efficient performance. Camera needs vary too: the Galaxy S23 Ultra's 200 megapixel main camera captures more detail, while the iPhone 15 Pro balances a smaller screen with a capable 48 megapixel main camera. Both phones support 5G and use USB-C connectors, appealing to those who want modern connectivity. Your choice depends on whether you value screen size and battery capacity or prefer a smaller, lighter device with a refined operating system.
Galaxy S23 Ultra vs iPhone 15 Pro price
Galaxy S23 Ultra vs iPhone 15 Pro battery life and software updates
Battery capacity and operating system shape how long each phone lasts and how you use it daily. Both phones come from 2023, so they offer current software experiences with different approaches.
Battery Capacity
The Galaxy S23 Ultra has a 5000 mAh battery, which supports longer usage between charges, making it a good pick if you spend a lot of time away from charging points. The iPhone 15 Pro has a 3274 mAh battery, suitable for users who prefer a smaller phone and can charge more frequently.
Operating System
The iPhone 15 Pro uses iOS, which is known for its smooth integration with other Apple products and a consistent user experience. The choice between these depends on your preference for software ecosystems.
Battery
Foldable
Ip rating
OS at launch
Software updates
Wireless charging
Year of release
Galaxy S23 Ultra vs iPhone 15 Pro performance
Performance is driven by chipset power, memory, and storage options. Both phones provide flagship-level performance but with different hardware focuses.
Chipset
The Galaxy S23 Ultra is powered by the Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm), designed to handle demanding tasks and gaming smoothly. The iPhone 15 Pro features the Apple A17 Pro chipset, optimised for iOS with efficient power use and strong performance in graphics and processing.
RAM
With 12 GB of RAM, the Galaxy S23 Ultra is well suited for heavy multitasking and keeping many apps active simultaneously. The iPhone 15 Pro has 8 GB of RAM, which supports everyday apps running smoothly and efficient memory management within iOS.
Storage Options
The Galaxy S23 Ultra is available in 256GB, 512GB, and 1TB storage sizes, offering ample space for media and apps. The iPhone 15 Pro includes 128GB, 256GB, 512GB, and 1TB options, giving users a choice for lighter storage needs or more capacity.
Chipset
RAM
Galaxy S23 Ultra vs iPhone 15 Pro screen
Screen size, resolution, and display technology affect viewing comfort and clarity. Both phones offer 120 Hz refresh rates for smooth visuals but differ in size and resolution.
Screen Size
The Galaxy S23 Ultra has a 6.8 inch screen, providing a spacious display ideal for watching videos, gaming, and multitasking. The iPhone 15 Pro's 6.1 inch screen suits those who prefer a more compact device that fits comfortably in one hand.
Resolution
The Galaxy S23 Ultra's resolution is 1440 x 3088, offering a very sharp and detailed image on its larger screen. The iPhone 15 Pro has a resolution of 1179 x 2556, which balances sharpness and battery efficiency on a smaller display.
Screen Type
Samsung's Dynamic AMOLED 2X on the Galaxy S23 Ultra delivers vibrant colours and deep blacks, enhancing media consumption. The iPhone 15 Pro features an LTPO Super Retina XDR OLED screen, known for excellent colour accuracy and smooth adaptive refresh rates.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S23 Ultra vs iPhone 15 Pro camera
Camera quality and front-facing features matter for photos, videos, and video calls. Both phones have the same front camera resolution but differ on their main cameras.
Front Camera
Both the Galaxy S23 Ultra and the iPhone 15 Pro have a 12 megapixel front camera, suitable for clear selfies and video calls. This resolution supports good image quality in typical lighting conditions.
Main Camera
The Galaxy S23 Ultra stands out with a 200 megapixel main camera, capturing highly detailed photos, which appeals to those who prioritise photography and zoom capabilities. The iPhone 15 Pro has a 48 megapixel main camera, offering excellent photo quality with a focus on colour accuracy and computational photography.
Front camera
Main camera
Galaxy S23 Ultra vs iPhone 15 Pro size and design
Size, weight, connectivity, and SIM options influence daily comfort and compatibility. Both phones support 5G and come unlocked but vary in other aspects.
Physical Dimensions
The Galaxy S23 Ultra measures 163.4 mm in height, 78.1 mm wide, and 8.9 mm deep, weighing 234 g, making it a larger and heavier device. The iPhone 15 Pro is smaller and lighter at 146.6 mm tall, 70.6 mm wide, 8.3 mm deep, and 171 g, suiting those who prefer a phone that fits easily in a pocket or hand.
SIM Support
The Galaxy S23 Ultra offers Dual Physical SIM plus eSIM support, which benefits users who want to manage two physical SIM cards alongside an eSIM. 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 S23 Ultra or iPhone 15 Pro: which should you buy?
Buy the Galaxy S23 Ultra if
- you want to spend less: it starts at £369.24, £172.76 less than the iPhone 15 Pro
- you want more RAM (12 GB vs 8 GB)
- you want a bigger battery (5000 mAh vs 3274 mAh)
Buy the iPhone 15 Pro if
- you want a lighter build (187 g vs 234 g)
What our customers say
Customers who bought the Galaxy S23 Ultra report being impressed with the phone's condition, often describing it as looking and working like new. Many appreciate the large screen and strong camera, especially the 200 megapixel main sensor which takes excellent photos. The battery life receives positive mentions for lasting through the day. Users highlight the smooth performance and the value of buying a high-end phone at a lower price. Several customers mention the sustainability aspect of choosing a refurbished device, noting satisfaction with the ethics behind it.
Buyers of the iPhone 15 Pro praise the phone's appearance, often stating it looks brand new with minimal or no visible scratches. Battery health is commonly reported to be high with some users noting values in the high 80s and 90s percent range. The performance is described as smooth and reliable, matching expectations for a flagship iPhone. The camera receives positive feedback for quality and usability. Many customers are pleased with the overall condition and enjoy the benefits of choosing a refurbished device for environmental reasons.
Both devices attract buyers who want flagship features without the full new price and who value sustainability. The Galaxy S23 Ultra suits those who prioritise a larger screen and camera detail, while the iPhone 15 Pro appeals to those preferring a lighter, smaller phone with strong performance and a polished user experience.
Galaxy S23 Ultra vs iPhone 15 Pro FAQs
Galaxy S23 Ultra vs iPhone 15 Pro comes down to the chipset, RAM and battery. Chipset: Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) on the Galaxy S23 Ultra, Apple A17 Pro on the iPhone 15 Pro. The Galaxy S23 Ultra has more RAM: 12 GB vs 8 GB.
The Galaxy S23 Ultra is cheaper refurbished, from £369.24 compared with £542 for the iPhone 15 Pro.
The Galaxy S23 Ultra has a bigger battery: 5000 mAh vs 3274 mAh.
The Galaxy S23 Ultra has a higher-resolution main camera: 200 megapixels vs 48 megapixels.
The Galaxy S23 Ultra gets updates until Feb 2028. The iPhone 15 Pro is still supported and can run iOS 27.
Refurbished, the Galaxy S23 Ultra comes in 256GB, 512GB and 1TB, and the iPhone 15 Pro in 128GB, 256GB, 512GB and 1TB.






