Galaxy S20 Ultra 5G vs iPhone 12 Pro
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Galaxy S20 Ultra 5G
Starting at
£233.80£1,220.00 new
iPhone 12 Pro
Starting at
£274.51£879.00 newWhat's the difference between the Galaxy S20 Ultra 5G and iPhone 12 Pro?
Galaxy S20 Ultra 5G vs iPhone 12 Pro comes down to the RAM, battery and screen size. Refurbished, the Galaxy S20 Ultra 5G starts at £233.80, £40.71 less than the iPhone 12 Pro.
Refurbished from
RAM
Battery
Screen size
Screen type
Refresh rate
- The Galaxy S20 Ultra 5G has more RAM: 12 GB vs 6 GB.
- The Galaxy S20 Ultra 5G has a bigger battery: 5000 mAh vs 2815 mAh.
- The Galaxy S20 Ultra 5G has a bigger screen: 6.9 inch vs 6.1 inch.
Galaxy S20 Ultra 5G vs iPhone 12 Pro specs
The Galaxy S20 Ultra 5G and iPhone 12 Pro both launched in 2020 but target different user needs. The Galaxy S20 Ultra 5G suits those wanting a large, high-resolution screen with a fast refresh rate, a very large battery, and extensive camera capabilities including a 108 megapixel main sensor. It offers more RAM and expandable storage. Its screen uses Super Retina XDR OLED technology with a slightly smaller size and standard 60 Hz refresh rate. Both support 5G and unlocked carrier use, but the Galaxy uses USB-C while the iPhone uses Lightning. Your choice depends on preferences for screen size, operating system, storage flexibility, and camera detail.
Galaxy S20 Ultra 5G vs iPhone 12 Pro price
Colour
Galaxy S20 Ultra 5G vs iPhone 12 Pro battery life and software updates
Battery size, software updates and operating system shape how each phone lasts and stays current. Both devices came out in 2020 but they differ in battery capacity and software support.
Battery Capacity
The Galaxy S20 Ultra 5G has a 5000 mAh battery, making it well suited for heavy use or long days without charging. The iPhone 12 Pro offers a 2815 mAh battery, which suits users with lighter to moderate daily use or those who charge more frequently.
Operating System
The Galaxy S20 Ultra 5G runs Android, appealing to users who prefer a more customisable and flexible system. The iPhone 12 Pro uses iOS, offering a consistent and integrated experience, especially if you use other Apple products.
Battery
Fast charging
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy S20 Ultra 5G vs iPhone 12 Pro performance
Chipset
RAM
Galaxy S20 Ultra 5G vs iPhone 12 Pro screen
Screen size, resolution and refresh rate affect your viewing experience. These phones offer quite different displays that suit different uses and preferences.
Screen Size and Resolution
The Galaxy S20 Ultra 5G features a large 6.9 inch screen with a 1440 x 3200 resolution. This provides a spacious and sharp display, great for watching videos, gaming or multitasking. The iPhone 12 Pro has a 6.1 inch screen with a 1170 x 2532 resolution, offering a compact but detailed viewing area that fits comfortably in the hand.
Refresh Rate
The Galaxy S20 Ultra 5G supports a 120 Hz refresh rate, which makes animations and scrolling appear smoother. This benefits users who value fluid motion in apps and games. The iPhone 12 Pro has a standard 60 Hz refresh rate, which suits everyday use and typical video content.
Screen Technology
The Galaxy S20 Ultra 5G uses Dynamic AMOLED 2X technology, known for vibrant colours and deep blacks. The iPhone 12 Pro features a Super Retina XDR OLED screen, delivering excellent brightness and colour accuracy. Both offer high-quality displays tailored to different preferences.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S20 Ultra 5G vs iPhone 12 Pro camera
Camera setup and megapixels are key for photography and video. These two phones take different approaches that suit different users.
Camera Configuration
The Galaxy S20 Ultra 5G has a quadruple rear camera system, providing a versatile range of shooting options for those who enjoy photography. The iPhone 12 Pro has a triple rear camera setup, delivering high-quality images with fewer lenses.
Main Camera Megapixels
The Galaxy S20 Ultra 5G features a 108 megapixel main camera, which captures very detailed images, ideal for users who want large prints or extensive cropping options. The iPhone 12 Pro has a 12 megapixel main camera, which balances detail and file size, suitable for everyday photography.
Front Camera Megapixels
The Galaxy S20 Ultra 5G includes a 40 megapixel front camera, well suited for high-resolution selfies and video calls. The iPhone 12 Pro has a 12 megapixel front camera that delivers clear images for typical selfie and video use.
Camera type
Front camera
Main camera
Galaxy S20 Ultra 5G vs iPhone 12 Pro size and design
Beyond core features, differences in connectors, size, weight and storage options influence how the phones fit your lifestyle.
Storage Options
The iPhone 12 Pro offers more storage choices, with 128GB, 256GB and 512GB models available. This suits users who need extra space for apps, media and files. The Galaxy S20 Ultra 5G is stocked with 128GB but also supports expandable storage via microSDXC cards, giving flexibility to increase storage as needed.
Physical Size and Weight
The Galaxy S20 Ultra 5G is larger and heavier, measuring 166.9 mm tall, 76 mm wide, and weighing 222 g. This is suitable if you prefer a bigger phone with a substantial feel. The iPhone 12 Pro is smaller and lighter at 146.7 mm tall, 71.5 mm wide, and 187 g, fitting comfortably in one hand and pockets.
Connector Type
The Galaxy S20 Ultra 5G uses a USB-C connector, common across many devices and accessories. The iPhone 12 Pro uses a Lightning connector, which is standard for many Apple accessories.
Carrier Compatibility and Network
Both phones come unlocked and support 5G networks, giving you flexibility to choose your mobile provider and benefit from faster data speeds where available.
SIM Card Options
Both devices support a physical SIM card plus eSIM, which allows for dual SIM use. This can be useful for separating work and personal numbers or using local data plans when travelling.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
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Width
Galaxy S20 Ultra 5G or iPhone 12 Pro: which should you buy?
Buy the Galaxy S20 Ultra 5G if
- you want to spend less: it starts at £233.80, £40.71 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 a lighter build (189 g vs 222 g)
What our customers say
Customers who bought the Galaxy S20 Ultra 5G appreciate its excellent condition and spotless appearance, often describing it as looking like new. Many praise the high screen resolution and 12GB of RAM, which supports heavy use and multitasking. The large battery is generally well received, though some wish it lasted longer. The camera quality is noted positively, with users enjoying the detailed photos. The phone's size and feel meet the needs of those wanting a substantial device, while some experiences mention the need to use USB-C headphones for sound.
Buyers of the iPhone 12 Pro highlight its good condition and reliable battery life, with several noting battery health percentages and smooth operation. The smaller, lighter design is comfortable and the phone runs iOS with the latest updates, which appeals to those seeking current software. Users find it easy to set up and transfer data. The multiple storage options offer flexibility for different needs, and the phone's performance is smooth and consistent.
Overall, the Galaxy S20 Ultra 5G suits users who prioritise a large, high-resolution screen, extensive RAM, and versatile camera features. The iPhone 12 Pro is well suited for those who prefer a lighter device with current iOS support and a choice of storage sizes.
Galaxy S20 Ultra 5G vs iPhone 12 Pro FAQs
Galaxy S20 Ultra 5G vs iPhone 12 Pro comes down to the RAM, battery and screen size. The Galaxy S20 Ultra 5G has more RAM: 12 GB vs 6 GB. The Galaxy S20 Ultra 5G has a bigger battery: 5000 mAh vs 2815 mAh.
The Galaxy S20 Ultra 5G is cheaper refurbished, from £233.80 compared with £274.51 for the iPhone 12 Pro.
The Galaxy S20 Ultra 5G has a bigger battery: 5000 mAh vs 2815 mAh.
The Galaxy S20 Ultra 5G has a higher-resolution main camera: 108 megapixels vs 12 megapixels.
Updates for the Galaxy S20 Ultra 5G ended in Mar 2025. The iPhone 12 Pro is still supported and can run iOS 27.
Refurbished, the Galaxy S20 Ultra 5G comes in 128GB, and the iPhone 12 Pro in 128GB, 256GB and 512GB.






