Galaxy S10 5G vs Galaxy S20 Ultra 5G
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Galaxy S10 5G
Starting at
£235.29£1,099.00 new
Galaxy S20 Ultra 5G
Starting at
£233.80£1,220.00 newWhat's the difference between the Galaxy S10 5G and Galaxy S20 Ultra 5G?
Galaxy S10 5G vs S20 Ultra 5G comes down to the RAM, battery and screen size. Refurbished, the Galaxy S20 Ultra 5G starts at £233.80, £1.49 less than the Galaxy S10 5G. The Galaxy S20 Ultra 5G is the newer model, released in 2020.
Refurbished from
RAM
Battery
Screen size
Screen type
Main camera
- The Galaxy S20 Ultra 5G has more RAM: 12 GB vs 8 GB.
- The Galaxy S20 Ultra 5G has a bigger battery: 5000 mAh vs 4500 mAh.
- The Galaxy S20 Ultra 5G has a bigger screen: 6.9 inch vs 6.7 inch.
Galaxy S10 5G vs Galaxy S20 Ultra 5G specs
The Galaxy S10 5G and Galaxy S20 Ultra 5G differ mainly in screen size, camera detail, memory, and some features like expandable storage and SIM options. The Galaxy S20 Ultra 5G offers a larger 6.9 inch Dynamic AMOLED 2X screen and higher resolution photos with its 108 megapixel main camera and 40 megapixel front camera. It also has more RAM with 12 GB for heavier multitasking and supports microSDXC cards plus an eSIM. The Galaxy S10 5G has a slightly smaller 6.7 inch Dynamic AMOLED screen and 8 GB RAM, with a simpler SIM setup and no card slot. It comes with more built-in storage at 256GB. Choose the S20 Ultra if you want a bigger, sharper screen and advanced camera features. The S10 5G suits those who prefer a lighter, slimmer phone with strong storage and straightforward use.
Galaxy S10 5G vs Galaxy S20 Ultra 5G price
Colour
Galaxy S10 5G vs Galaxy S20 Ultra 5G battery life and software updates
Battery capacity and software support matter for everyday use and longevity. Battery size influences how long the phone lasts between charges.
Battery Capacity
The Galaxy S10 5G has a 4500 mAh battery, which should comfortably last a full day of typical use. The Galaxy S20 Ultra 5G offers a larger 5000 mAh battery, which may suit you if you use your phone heavily or want longer time between charges without needing to recharge.
Battery
Fast charging
Foldable
Software updates
Year of release
Galaxy S10 5G vs Galaxy S20 Ultra 5G performance
Chipset
RAM
Galaxy S10 5G vs Galaxy S20 Ultra 5G screen
The screen is important for watching video, gaming, and general use. These two phones differ in size, resolution, and screen technology, affecting how clear and immersive your viewing experience is.
Screen Size
The Galaxy S10 5G has a 6.7 inch screen, giving you a large display that fits comfortably in the hand. The Galaxy S20 Ultra 5G has an even larger 6.9 inch screen, offering more room for videos, games, and multitasking, which suits users who prefer a bigger display.
Screen Resolution and Type
Both phones have a high resolution of 1440 pixels across the width, but the S20 Ultra 5G has a slightly taller 3200 pixel height compared to 3040 on the S10 5G. The S20 Ultra 5G uses Dynamic AMOLED 2X technology, which can deliver brighter colours and smoother visuals compared to the Dynamic AMOLED screen on the S10 5G. This means sharper images and more vivid colours when you use the S20 Ultra 5G.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S10 5G vs Galaxy S20 Ultra 5G camera
Camera quality is key for photos and video calls. Both phones have front and main cameras but differ significantly in megapixels, affecting image detail.
Front Camera
The Galaxy S10 5G has a 10 megapixel front camera suitable for clear selfies and video calls. The Galaxy S20 Ultra 5G features a 40 megapixel front camera, which captures significantly more detail, ideal if you want sharper selfies or higher quality video calls.
Main Camera
The main camera on the Galaxy S10 5G has 12 megapixels, which is good for everyday photos with balanced detail and colour. The Galaxy S20 Ultra 5G offers a 108 megapixel main camera, allowing for very high resolution images that capture much finer detail. This suits you if photography is a priority and you want the most detailed shots.
Camera type
Front camera
Main camera
Galaxy S10 5G vs Galaxy S20 Ultra 5G size and design
Other features like storage, SIM options, size, and weight affect how you use the phone daily and what accessories or carriers fit best.
Storage Options
The Galaxy S10 5G model we stock comes with 256GB of storage, providing ample space for apps, photos, and media. The Galaxy S20 Ultra 5G comes with 128GB storage but supports microSDXC cards, so you can expand storage if needed, which is helpful if you prefer adding memory rather than buying a higher built-in capacity.
SIM Card Setup
The Galaxy S10 5G uses a physical SIM card only. The Galaxy S20 Ultra 5G supports both a physical SIM and an eSIM, giving you more flexibility if you want to use multiple numbers or data plans without swapping SIM cards.
Size and Weight
The Galaxy S10 5G is slimmer and lighter at 7.9 mm depth and 157 g weight, which makes it easier to hold and carry for everyday use. The Galaxy S20 Ultra 5G is thicker and heavier at 8.8 mm and 222 g, which reflects its larger screen and battery but may feel bulkier in hand or pocket.
Dimensions
The Galaxy S10 5G measures 162.6 mm in height and 77.1 mm in width, while the Galaxy S20 Ultra 5G is taller at 166.9 mm but slightly narrower at 76 mm. These differences affect how the phone fits in hand or pocket, with the S20 Ultra being taller but a little slimmer across.
Carrier Compatibility
Both phones are unlocked and support 5G networks, letting you choose your own mobile carrier without restrictions.
Carrier compatibility
Connector
Depth
Height
Mobile network
SD card slot
SIM card
Weight
Width
Galaxy S10 5G or Galaxy S20 Ultra 5G: which should you buy?
Buy the Galaxy S10 5G if
- you want a lighter build (157 g vs 222 g)
Buy the Galaxy S20 Ultra 5G if
- you want to spend less: it starts at £233.80, £1.49 less than the Galaxy S10 5G
- you want more RAM (12 GB vs 8 GB)
- you want a bigger battery (5000 mAh vs 4500 mAh)
What our customers say
Customers of the Galaxy S10 5G praise its reliable performance and value. Many say it looks and feels like new, with battery life that comfortably lasts all day. Several customers have bought multiple units, showing satisfaction with the device's consistency. Some note that 5G performance can vary and there are occasional language setting quirks, but overall, the phone runs well and handles everyday apps smoothly. The size and weight make it comfortable to use, and storage is ample for most users.
The Galaxy S20 Ultra 5G customers highlight the excellent condition and spotless appearance of their phones. The large and clear screen is appreciated, as is the 12 GB RAM which supports heavy use. Some mention the impressive camera and photo quality. While the battery life receives mixed feedback, many find it sufficient for their needs. Users like the flexibility of expanded storage and the dual SIM setup. The phone's size is noted but fits well with those who prefer a bigger display.
Both phones suit different users well. The Galaxy S10 5G appeals to those wanting a lighter, more compact device with strong storage and dependable everyday use. The Galaxy S20 Ultra 5G is for buyers who prioritise screen size, camera detail, and extra memory for multitasking or media storage.
Galaxy S10 5G vs Galaxy S20 Ultra 5G FAQs
Galaxy S10 5G vs S20 Ultra 5G comes down to the RAM, battery and screen size. The Galaxy S20 Ultra 5G has more RAM: 12 GB vs 8 GB. The Galaxy S20 Ultra 5G has a bigger battery: 5000 mAh vs 4500 mAh.
The Galaxy S20 Ultra 5G is cheaper refurbished, from £233.80 compared with £235.29 for the Galaxy S10 5G.
The Galaxy S20 Ultra 5G has a bigger battery: 5000 mAh vs 4500 mAh.
The Galaxy S20 Ultra 5G has a higher-resolution main camera: 108 megapixels vs 12 megapixels.
The Galaxy S10 5G no longer gets updates. Updates for the Galaxy S20 Ultra 5G ended in Mar 2025.
The Galaxy S20 Ultra 5G adds more RAM (12 GB vs 8 GB), a bigger battery (5000 mAh vs 4500 mAh) and a bigger screen (6.9 inch vs 6.7 inch). Refurbished, it costs £1.49 less (from £233.80 vs £235.29).
Refurbished, the Galaxy S10 5G comes in 256GB, and the Galaxy S20 Ultra 5G in 128GB.
