Galaxy S20 vs iPhone 12 Pro
Shop Samsung Galaxy
Galaxy S20
Starting at
£188.75£999.00 new
iPhone 12 Pro
Starting at
£274.51£879.00 newWhat's the difference between the Galaxy S20 and iPhone 12 Pro?
Galaxy S20 vs iPhone 12 Pro comes down to the RAM, battery and screen size. Refurbished, the Galaxy S20 starts at £188.75, £85.76 less than the iPhone 12 Pro.
Refurbished from
RAM
Battery
Screen size
Screen type
Refresh rate
- The Galaxy S20 has more RAM: 8 GB vs 6 GB.
- The Galaxy S20 has a bigger battery: 4000 mAh vs 2815 mAh.
- Screen size: 6.2 inch on the Galaxy S20, 6.1 inch on the iPhone 12 Pro.
Galaxy S20 vs iPhone 12 Pro specs
The Galaxy S20 and iPhone 12 Pro both come from 2020 but serve different user needs. The Galaxy S20 suits you if you prefer a larger, sharper, and smoother screen with a higher refresh rate, more RAM for multitasking, and a bigger battery for longer use without charging. It also supports expandable storage via microSDXC. It is slightly smaller and heavier, with a higher-resolution front camera and uses a Lightning connector. Both are unlocked and well-built, so your choice depends on priorities like screen experience, software updates, network technology, and storage flexibility.
Galaxy S20 vs iPhone 12 Pro price
Colour
Galaxy S20 vs iPhone 12 Pro battery life and software updates
Durability covers battery capacity, software updates, operating systems, and physical features that affect daily reliability and longevity. These aspects influence how the phones keep pace with usage and software support.
Battery Capacity
The Galaxy S20 has a 4000 mAh battery, which is larger than the iPhone 12 Pro's 2815 mAh. This means the Galaxy S20 can generally offer longer use between charges, which suits heavy users or those who spend more time away from power sources.
Operating System
The Galaxy S20 runs on Android, offering a more customizable experience and access to a broad range of apps. The iPhone 12 Pro uses iOS, known for its smooth integration with Apple services and regular software updates.
Battery
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy S20 vs iPhone 12 Pro performance
Chipset
RAM
Galaxy S20 vs iPhone 12 Pro screen
Screen quality impacts how you view content, from videos to apps. Differences in refresh rate, resolution, size, and screen type affect smoothness, clarity, and colour reproduction.
Refresh Rate
The Galaxy S20 features a 120 Hz refresh rate, which makes scrolling and animations smoother. This benefits users who value fluid visuals, such as gamers or those who scroll frequently. The iPhone 12 Pro has a 60 Hz refresh rate, which is standard and suits everyday use.
Resolution and Size
The Galaxy S20 offers a higher resolution of 1440 x 3200 on a 6.2 inch screen, delivering sharper images and more screen space. The iPhone 12 Pro has a 1170 x 2532 resolution on a slightly smaller 6.1 inch screen, which still provides detailed visuals but with a bit less room for content.
Screen Type
The Galaxy S20 uses a Dynamic AMOLED 2X screen, which is known for vibrant colours and deep blacks. The iPhone 12 Pro uses a Super Retina XDR OLED screen, offering excellent colour accuracy and brightness. Both provide high-quality viewing but with subtle differences suited to personal preference.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S20 vs iPhone 12 Pro camera
Audiovisual features focus on camera capabilities, important for photos and video calls. Differences in megapixels on the front camera may affect selfie quality.
Front Camera
The iPhone 12 Pro has a 12 megapixel front camera, capturing more detail for selfies and video calls compared to the Galaxy S20's 10 megapixels. This suits users who prioritise high-quality front-facing photos.
Main Camera
Both phones have a 12 megapixel main camera, offering similar resolution for everyday photography and video recording.
Camera type
Front camera
Main camera
Galaxy S20 vs iPhone 12 Pro size and design
Other practical differences include network compatibility, physical dimensions, storage options, and connectors. These affect how the phones fit your lifestyle and accessories.
Network Compatibility
The iPhone 12 Pro supports 5G networks, allowing access to faster mobile internet where available. The Galaxy S20 supports 4G, which is still widely used and reliable for everyday browsing and streaming.
Storage Options
The Galaxy S20 is stocked with 128GB storage and supports expandable storage through a microSDXC card. This flexibility is useful if you want to add more storage later. The iPhone 12 Pro offers storage options of 128GB, 256GB, and 512GB but does not have expandable storage.
Size and Weight
The Galaxy S20 measures 161.9 mm tall, 73.7 mm wide, and 7.8 mm deep, weighing 163 g. The iPhone 12 Pro is slightly shorter at 146.7 mm, narrower at 71.5 mm, thinner at 7.4 mm, but heavier at 187 g. The Galaxy S20 suits users who prefer a lighter phone with a taller shape, while the iPhone 12 Pro offers a more compact footprint with extra weight.
Connector Type
The Galaxy S20 uses a USB Type-C connector, common for many modern electronics and accessories. The iPhone 12 Pro uses a Lightning connector, which is standard for many Apple accessories and chargers.
SIM and Carrier
Both phones are unlocked and support a physical SIM plus eSIM, offering flexibility with mobile carriers and plans.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S20 or iPhone 12 Pro: which should you buy?
Buy the Galaxy S20 if
- you want to spend less: it starts at £188.75, £85.76 less than the iPhone 12 Pro
- you want more RAM (8 GB vs 6 GB)
- you want a bigger battery (4000 mAh vs 2815 mAh)
Buy the iPhone 12 Pro if
- you want a higher-resolution front camera (12 megapixels vs 10 megapixels)
- you want longer software support (supported, up to iOS 27 vs ended Mar 2025)
- you want 5G
What our customers say
Customers who bought the Galaxy S20 often highlight its light weight and clean condition, with many saying it looks brand new and works well. Some users appreciate the phone's smooth operation and value the experience enough to consider buying more tech from PhoneMart. There are mixed experiences reported, with some customers mentioning issues like screen unresponsiveness or blacklisted phones, but many others praise the condition and reliability of their phones. Overall, Galaxy S20 customers enjoy the device's size and feel but have varied experiences with device reliability.
For the iPhone 12 Pro, customers consistently mention satisfaction with the phone's condition, smooth performance, and battery life. Many say it looks and works like new, with some noting battery health percentages that show good charge retention. Several customers appreciate the ease of setup and data transfer, and the consistent quality encourages repeat purchases. The iPhone 12 Pro is often described as reliable and fitting well for users who want solid performance with current iOS support.
The Galaxy S20 suits buyers looking for a lighter phone with a larger, smoother screen and expandable storage. The iPhone 12 Pro suits those who value software updates, 5G connectivity, higher front camera resolution, and multiple storage options.
Galaxy S20 vs iPhone 12 Pro FAQs
Galaxy S20 vs iPhone 12 Pro comes down to the RAM, battery and screen size. The Galaxy S20 has more RAM: 8 GB vs 6 GB. The Galaxy S20 has a bigger battery: 4000 mAh vs 2815 mAh.
The Galaxy S20 is cheaper refurbished, from £188.75 compared with £274.51 for the iPhone 12 Pro.
The Galaxy S20 has a bigger battery: 4000 mAh vs 2815 mAh.
Both have the same main camera: 12 megapixels.
Updates for the Galaxy S20 ended in Mar 2025. The iPhone 12 Pro is still supported and can run iOS 27.
Refurbished, the Galaxy S20 comes in 128GB, and the iPhone 12 Pro in 128GB, 256GB and 512GB.
