Galaxy S20 Ultra vs iPhone 12 Pro
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Galaxy S20 Ultra
Starting at
£269.45£1,199.99 new
iPhone 12 Pro
Starting at
£274.51£879.00 newWhat's the difference between the Galaxy S20 Ultra and iPhone 12 Pro?
Galaxy S20 Ultra vs iPhone 12 Pro comes down to the RAM, battery and screen size. Refurbished, the Galaxy S20 Ultra starts at £269.45, £5.06 less than the iPhone 12 Pro.
Refurbished from
RAM
Battery
Screen size
Screen type
Refresh rate
- The Galaxy S20 Ultra has more RAM: 12 GB vs 6 GB.
- The Galaxy S20 Ultra has a bigger battery: 5000 mAh vs 2815 mAh.
- The Galaxy S20 Ultra has a bigger screen: 6.9 inch vs 6.1 inch.
Galaxy S20 Ultra vs iPhone 12 Pro specs
The Galaxy S20 Ultra and the iPhone 12 Pro both arrived in 2020 but target different needs. The Galaxy S20 Ultra suits users who want a larger screen, higher camera megapixels, and longer battery life. It runs on Android and offers more RAM and expandable storage. The iPhone 12 Pro appeals to those who prefer iOS, 5G support, and a smaller, lighter phone with multiple storage options. Your choice depends on whether you prioritise screen size and camera detail or software updates and a more compact design.
Galaxy S20 Ultra vs iPhone 12 Pro price
Colour
Galaxy S20 Ultra vs iPhone 12 Pro battery life and software updates
Durability here covers battery size, software updates, and operating systems. These affect how long the phones last on a charge and how current their software remains.
Battery Capacity
The Galaxy S20 Ultra has a 5000 mAh battery, providing longer use between charges, which suits heavy users or those away from power sources for extended periods. The iPhone 12 Pro offers a 2815 mAh battery, which fits users who prefer a lighter device and may recharge more frequently.
Operating System
The Galaxy S20 Ultra runs on Android, offering a flexible and customisable experience. The iPhone 12 Pro uses iOS, known for smooth integration with other Apple products and a consistent user interface. Your preference for operating system influences daily use and app availability.
Battery
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy S20 Ultra vs iPhone 12 Pro performance
Chipset
RAM
Galaxy S20 Ultra vs iPhone 12 Pro screen
Screen quality impacts how you view content, from video to browsing. The phones differ in size, resolution, refresh rate, and screen type.
Screen Size and Resolution
The Galaxy S20 Ultra has a larger 6.9 inch screen with a resolution of 1440 x 3200, ideal for watching videos or multitasking with more screen space. The iPhone 12 Pro features a 6.1 inch display at 1170 x 2532 resolution, suited to users who want a more compact device that is easier to handle.
Refresh Rate
The Galaxy S20 Ultra offers a 120 Hz refresh rate, which delivers smoother scrolling and animations, benefiting gamers and those who notice fluid motion. The iPhone 12 Pro has a 60 Hz refresh rate, which is standard and suits everyday use without the need for extra smoothness.
Screen Type
The Galaxy S20 Ultra uses Dynamic AMOLED 2X technology, which provides vibrant colours and deep blacks. The iPhone 12 Pro features Super Retina XDR OLED, known for accurate colour reproduction and sharp detail. Both offer high-quality displays but with slightly different visual experiences.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S20 Ultra vs iPhone 12 Pro camera
Camera and front camera quality vary and will influence photo and video detail as well as video calls or selfies.
Main Camera
The Galaxy S20 Ultra has a 108 megapixel main camera with four lenses, which suits users who prioritise high detail and versatility in photography. The iPhone 12 Pro has a 12 megapixel main camera with three lenses, offering excellent quality photos with fewer megapixels but still strong performance.
Front Camera
The Galaxy S20 Ultra provides a 40 megapixel front camera, ideal for highly detailed selfies and video calls. The iPhone 12 Pro has a 12 megapixel front camera, which is well suited to everyday selfies and video chats.
Camera type
Front camera
Main camera
Galaxy S20 Ultra vs iPhone 12 Pro size and design
These features cover connectivity, size, and storage options that affect how you use and carry the phone.
Mobile Network Compatibility
The iPhone 12 Pro supports 5G networks, making it suitable for users who want faster mobile internet where 5G is available. The Galaxy S20 Ultra is compatible with 4G, which covers most current mobile data needs.
Storage Options
The Galaxy S20 Ultra is stocked with 128GB of storage and supports microSDXC cards, allowing you to expand storage easily. The iPhone 12 Pro comes in 128GB, 256GB, and 512GB options but does not support expandable storage, so you choose the capacity upfront.
SIM and Connectivity
The Galaxy S20 Ultra uses dual physical SIM cards, which is handy if you want to use two networks at once. The iPhone 12 Pro offers one physical SIM plus an eSIM, providing flexibility without needing two physical cards. The Galaxy S20 Ultra has a USB-C connector, common for many devices, while the iPhone 12 Pro uses Lightning.
Size and Weight
The Galaxy S20 Ultra is larger and heavier at 166.9 mm tall, 76 mm wide, 8.8 mm deep, and 222 g. The iPhone 12 Pro is smaller and lighter at 146.7 mm tall, 71.5 mm wide, 7.4 mm deep, and 187 g. This makes the iPhone easier to hold and pocket.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S20 Ultra or iPhone 12 Pro: which should you buy?
Buy the Galaxy S20 Ultra if
- you want to spend less: it starts at £269.45, £5.06 less than the iPhone 12 Pro
- you want more RAM (12 GB vs 6 GB)
- you want a bigger battery (5000 mAh vs 2815 mAh)
Buy the iPhone 12 Pro if
- you want longer software support (supported, up to iOS 27 vs ended Mar 2025)
- you want 5G
- you want a lighter build (189 g vs 222 g)
What our customers say
Customers of the Galaxy S20 Ultra appreciate its like-new condition and camera quality. Many mention that the battery life remains good and the phone performs well for everyday use. Some users note the device feels large but also powerful, with fast app loading and good screen quality. A few comment on minor issues like previous owner data or screen faults but overall satisfaction is high with appreciation for the phone's features and price.
Buyers of the iPhone 12 Pro highlight its excellent condition, smooth performance, and solid battery health. The phone is described as feeling like new and working without faults. Users value the iOS experience and multiple storage options when upgrading from older models. The iPhone 12 Pro's size and battery life receive positive remarks with many customers confident in the phone's reliability and usability.
The Galaxy S20 Ultra suits those wanting a large screen and detailed cameras with expandable storage. The iPhone 12 Pro fits users who prefer a lighter, smaller design with iOS and 5G support. Both models deliver strong performance and quality for their respective audiences.
Galaxy S20 Ultra vs iPhone 12 Pro FAQs
Galaxy S20 Ultra vs iPhone 12 Pro comes down to the RAM, battery and screen size. The Galaxy S20 Ultra has more RAM: 12 GB vs 6 GB. The Galaxy S20 Ultra has a bigger battery: 5000 mAh vs 2815 mAh.
The Galaxy S20 Ultra is cheaper refurbished, from £269.45 compared with £274.51 for the iPhone 12 Pro.
The Galaxy S20 Ultra has a bigger battery: 5000 mAh vs 2815 mAh.
The Galaxy S20 Ultra has a higher-resolution main camera: 108 megapixels vs 12 megapixels.
Updates for the Galaxy S20 Ultra ended in Mar 2025. The iPhone 12 Pro is still supported and can run iOS 27.
Refurbished, the Galaxy S20 Ultra comes in 128GB, and the iPhone 12 Pro in 128GB, 256GB and 512GB.
