Galaxy S21 Ultra 5G vs iPhone 13 Pro
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Galaxy S21 Ultra 5G
Starting at
£268.86£1,316.00 new
iPhone 13 Pro
Starting at
£292.45£949.00 newWhat's the difference between the Galaxy S21 Ultra 5G and iPhone 13 Pro?
Galaxy S21 Ultra 5G vs iPhone 13 Pro comes down to the chipset, RAM and battery. Refurbished, the Galaxy S21 Ultra 5G starts at £268.86, £23.59 less than the iPhone 13 Pro.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Exynos 2100 (5 nm), Qualcomm SM8350 Snapdragon 888 5G (5 nm) on the Galaxy S21 Ultra 5G, Apple A15 Bionic (5 nm) on the iPhone 13 Pro.
- The Galaxy S21 Ultra 5G has more RAM: 12 GB vs 6 GB.
- The Galaxy S21 Ultra 5G has a bigger battery: 5000 mAh vs 3095 mAh.
Galaxy S21 Ultra 5G vs iPhone 13 Pro specs
The Galaxy S21 Ultra 5G and the iPhone 13 Pro, both released in 2021, offer distinct strengths for different users. The Galaxy S21 Ultra 5G is notable for its large 6.8 inch Dynamic AMOLED 2X screen with a higher resolution and larger battery capacity, making it suitable for those wanting a spacious display and longer battery life. It also features more RAM and a quadruple rear camera system with a very high megapixel count, which appeals to users who prioritise multitasking and detailed photography. The iPhone 13 Pro has a smaller 6.1 inch Super Retina XDR OLED screen and a triple camera setup but offers up to 1TB storage, which suits users needing more internal space.
Galaxy S21 Ultra 5G vs iPhone 13 Pro price
Colour
Galaxy S21 Ultra 5G vs iPhone 13 Pro battery life and software updates
Battery capacity and software support are key to how long a phone lasts in daily use.
Battery Capacity
The Galaxy S21 Ultra 5G has a 5000 mAh battery, which is larger than the iPhone 13 Pro's 3095 mAh. This means the Galaxy S21 Ultra 5G is better suited for heavy users or those who want longer usage between charges. The iPhone 13 Pro's battery size fits well for everyday use and users comfortable charging more frequently.
Operating System
The Galaxy S21 Ultra 5G runs Android, offering a different user experience and app environment compared to the iPhone 13 Pro's iOS. Your choice of OS affects app selection, interface, and device ecosystem, so choose based on which system you prefer.
Battery
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy S21 Ultra 5G vs iPhone 13 Pro performance
Performance depends on chipset, RAM, and storage options. Both phones are powerful, but their specs suggest different priorities for users.
Chipset and RAM
The Galaxy S21 Ultra 5G comes with either the Exynos 2100 or Snapdragon 888 chipset and 12 GB RAM, which supports intensive multitasking and demanding apps. The iPhone 13 Pro uses the Apple A15 Bionic chipset with 6 GB RAM, optimised for smooth performance and efficiency in iOS. If you run many apps simultaneously or heavy software, the Galaxy's RAM might be beneficial.
Storage Options
The Galaxy S21 Ultra 5G is available with 128GB, 256GB, and 512GB storage. The iPhone 13 Pro adds a 1TB option, offering much more space for large files, apps, and media. Choose the iPhone if you require extensive internal storage without relying on external memory.
Chipset
RAM
Galaxy S21 Ultra 5G vs iPhone 13 Pro screen
Screen size, resolution, and technology affect how you view content and interact with your phone. Both devices support a 120 Hz refresh rate for smooth visuals.
Screen Size and Resolution
The Galaxy S21 Ultra 5G has a larger 6.8 inch screen with 1440 x 3200 resolution, providing a more spacious and sharper display for watching videos, gaming, or reading. The iPhone 13 Pro's 6.1 inch screen at 1170 x 2532 resolution offers a compact experience that suits those preferring a smaller device easier to hold and carry.
Screen Technology
The Galaxy S21 Ultra 5G uses Dynamic AMOLED 2X technology, while the iPhone 13 Pro has a Super Retina XDR OLED screen. Both offer vibrant colours and deep blacks, but the Galaxy's screen type supports a higher resolution, which benefits users focused on fine detail and screen clarity.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S21 Ultra 5G vs iPhone 13 Pro camera
Camera capabilities shape your ability to capture photos and videos. The devices differ in camera count and megapixels, affecting detail and versatility.
Rear Camera System
The Galaxy S21 Ultra 5G features a quadruple rear camera setup with a main camera of 108 megapixels, offering very detailed images and more camera options. The iPhone 13 Pro has a triple rear camera setup with a 12 megapixel main camera, suited to those who prefer a simpler camera system but still want quality photos.
Front Camera
The Galaxy S21 Ultra 5G's front camera has 40 megapixels, which supports higher detail for selfies and video calls. The iPhone 13 Pro's front camera has 12 megapixels, providing good quality for everyday use and video chats.
Camera type
Front camera
Main camera
Galaxy S21 Ultra 5G vs iPhone 13 Pro size and design
Other factors like size, weight, connectors, and network features influence daily comfort and compatibility.
Size and Weight
The Galaxy S21 Ultra 5G measures 165.1 mm tall, 75.6 mm wide, and 8.9 mm deep, weighing 227 g. The iPhone 13 Pro is slightly smaller at 146.7 mm tall, 71.5 mm wide, and 7.6 mm deep, weighing 203 g. The iPhone suits those wanting a lighter, more compact phone while the Galaxy is for users comfortable with a larger, heavier device.
Connector Type
The Galaxy S21 Ultra 5G uses USB-C for charging and data transfer, a common standard across many devices. The iPhone 13 Pro uses the Lightning connector, which is standard for many Apple products. Your choice may depend on what cables and accessories you already have.
SIM and Network
Both phones support 5G networks and use a combination of physical SIM and eSIM, giving flexibility for network providers and travel. Both are unlocked, so you can choose your carrier freely.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S21 Ultra 5G or iPhone 13 Pro: which should you buy?
Buy the Galaxy S21 Ultra 5G if
- you want to spend less: it starts at £268.86, £23.59 less than the iPhone 13 Pro
- you want more RAM (12 GB vs 6 GB)
- you want a bigger battery (5000 mAh vs 3095 mAh)
Buy the iPhone 13 Pro if
- you want longer software support (supported, up to iOS 27 vs ended Feb 2026)
- you want a lighter build (204 g vs 227 g)
What our customers say
Customers who bought the Galaxy S21 Ultra 5G often mention the phone looks almost new, even in fair or good condition. Many appreciate the speed and reliability, with some noting the device is fast and supports their needs well. Several customers highlight the quality of the screen and camera, and users who want a large, capable device find it fits their needs. There are a few reports of battery or functionality issues, but positive feedback about the phone's performance and condition is more common.
iPhone 13 Pro customers frequently say their phones look like new, even in fair or good condition. Battery health is often noted as good, and many users find the camera and screen quality excellent. The phone is described as running smoothly with all features working well. Buyers appreciate the storage options and report good value for the price paid. The iPhone appeals to those who want a compact device with strong performance and a polished user experience.
Both phones suit different users well. The Galaxy S21 Ultra 5G fits those who want a larger screen and more RAM for multitasking, alongside a higher megapixel camera setup. The iPhone 13 Pro is a solid choice for users preferring a smaller device, iOS, and extensive storage options.
Galaxy S21 Ultra 5G vs iPhone 13 Pro FAQs
Galaxy S21 Ultra 5G vs iPhone 13 Pro comes down to the chipset, RAM and battery. Chipset: Exynos 2100 (5 nm), Qualcomm SM8350 Snapdragon 888 5G (5 nm) on the Galaxy S21 Ultra 5G, Apple A15 Bionic (5 nm) on the iPhone 13 Pro. The Galaxy S21 Ultra 5G has more RAM: 12 GB vs 6 GB.
The Galaxy S21 Ultra 5G is cheaper refurbished, from £268.86 compared with £292.45 for the iPhone 13 Pro.
The Galaxy S21 Ultra 5G has a bigger battery: 5000 mAh vs 3095 mAh.
The Galaxy S21 Ultra 5G has a higher-resolution main camera: 108 megapixels vs 12 megapixels.
Updates for the Galaxy S21 Ultra 5G ended in Feb 2026. The iPhone 13 Pro is still supported and can run iOS 27.
Refurbished, the Galaxy S21 Ultra 5G comes in 128GB, 256GB and 512GB, and the iPhone 13 Pro in 128GB, 256GB, 512GB and 1TB.
