Galaxy Note20 5G vs Galaxy S21 Ultra 5G
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Galaxy Note20 5G
Starting at
£190.00
Galaxy S21 Ultra 5G
Starting at
£268.86£1,316.00 newWhat's the difference between the Galaxy Note20 5G and Galaxy S21 Ultra 5G?
Galaxy Note20 5G vs S21 Ultra 5G comes down to the RAM, battery and screen size. Refurbished, the Galaxy Note20 5G starts at £190, £78.86 less than the Galaxy S21 Ultra 5G. The Galaxy S21 Ultra 5G is the newer model, released in 2021.
Refurbished from
RAM
Battery
Screen size
Screen type
Refresh rate
- The Galaxy S21 Ultra 5G has more RAM: 12 GB vs 8 GB.
- The Galaxy S21 Ultra 5G has a bigger battery: 5000 mAh vs 4300 mAh.
- Screen size: 6.7 inch on the Galaxy Note20 5G, 6.8 inch on the Galaxy S21 Ultra 5G.
Galaxy Note20 5G vs Galaxy S21 Ultra 5G specs
The Galaxy Note20 5G and Galaxy S21 Ultra 5G both offer unlocked 5G connectivity and USB-C connectors, but they differ in battery size, screen quality, camera capabilities, and storage options. The Note20 5G has a 4300 mAh battery and 8 GB RAM, making it suitable for everyday use and smooth app performance. The S21 Ultra 5G features a larger 5000 mAh battery, 12 GB RAM, a higher resolution 6.8 inch screen with a 120 Hz refresh rate, and more advanced cameras with higher megapixels, ideal for users who want the best in display and photography. Storage options for the S21 Ultra also include up to 512GB, offering more space for files and apps. Buyers should choose based on their priorities for screen, camera, and storage capacity.
Galaxy Note20 5G vs Galaxy S21 Ultra 5G price
Colour
- BronzeSold out
- GreySold out
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Storage
- 128GBSold out
- 256GBSold out
Galaxy Note20 5G vs Galaxy S21 Ultra 5G battery life and software updates
Battery capacity and software updates are important for a phone's lasting use.
Battery Capacity
The Galaxy Note20 5G has a 4300 mAh battery, which suits users who want reliable daily power for typical use. The Galaxy S21 Ultra 5G has a larger 5000 mAh battery, providing longer usage between charges. This makes the S21 Ultra a good choice for users who need extended battery life for heavy use or on the go.
Software Updates
This suits buyers who prioritise ongoing software support.
Battery
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy Note20 5G vs Galaxy S21 Ultra 5G performance
Chipset
RAM
Galaxy Note20 5G vs Galaxy S21 Ultra 5G screen
Screen size, resolution, and refresh rate affect how content looks and feels. The Note20 5G and S21 Ultra 5G differ in these areas, catering to different viewing experiences and preferences.
Screen Size and Type
The Galaxy Note20 5G has a 6.7 inch Super AMOLED Plus screen, offering vivid colours and good brightness. The Galaxy S21 Ultra 5G has a slightly larger 6.8 inch Dynamic AMOLED 2X screen, which can provide enhanced contrast and colour accuracy. Users who want a slightly bigger and more advanced display may prefer the S21 Ultra.
Resolution and Refresh Rate
The Note20 5G has a resolution of 1080 x 2400 pixels with a 60 Hz refresh rate, suitable for everyday media and smooth scrolling. The S21 Ultra 5G features a higher resolution of 1440 x 3200 pixels and a 120 Hz refresh rate, which means sharper images and a smoother display experience, particularly noticeable when gaming or scrolling quickly.
Refresh rate
Resolution
Screen size
Screen type
Galaxy Note20 5G vs Galaxy S21 Ultra 5G camera
Camera capabilities differ significantly between these two models, affecting photo and video detail, as well as front camera quality for selfies and video calls.
Main Camera Setup
The Galaxy Note20 5G has a triple camera setup with a 12 megapixel main camera, suitable for clear everyday photos. The Galaxy S21 Ultra 5G offers a quadruple camera array with a 108 megapixel main camera, delivering much higher detail and more versatile photography options for users who prioritise camera quality.
Front Camera Resolution
The front camera on the Note20 5G is 10 megapixels, good for typical selfies and video calls. The S21 Ultra 5G has a 40 megapixel front camera, which captures much more detail and is better for users who want high-resolution selfies or video content.
Camera type
Front camera
Main camera
Galaxy Note20 5G vs Galaxy S21 Ultra 5G size and design
Other features like SIM card support, size, and weight vary between the two phones, influencing how they fit into your daily life.
SIM Card Options
The Galaxy Note20 5G supports dual physical SIM cards, ideal for users who want two separate physical lines. The Galaxy S21 Ultra 5G uses a combination of one physical SIM and one eSIM, which can be more flexible for those who prefer virtual SIM management.
Size and Weight
The Note20 5G measures 161.6 mm in height, 75.2 mm in width, and 8.3 mm in depth, weighing 192 g. The S21 Ultra 5G is slightly larger at 165.1 mm tall, 75.6 mm wide, and 8.9 mm deep, and heavier at 227 g. Buyers who prefer a lighter phone may lean towards the Note20, while those who prioritise screen size and features might accept the extra weight of the S21 Ultra.
Storage Options
The Galaxy Note20 5G is stocked with 128GB and 256GB storage options, fitting most everyday needs. The Galaxy S21 Ultra 5G adds a 512GB option, suitable for users who require extra space for apps, media, and files.
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Galaxy Note20 5G or Galaxy S21 Ultra 5G: which should you buy?
Buy the Galaxy Note20 5G if
- you want to spend less: it starts at £190, £78.86 less than the Galaxy S21 Ultra 5G
- you want a lighter build (192 g vs 227 g)
Buy the Galaxy S21 Ultra 5G if
- you want more RAM (12 GB vs 8 GB)
- you want a bigger battery (5000 mAh vs 4300 mAh)
- you want a smoother screen (120 Hz vs 60 Hz)
What our customers say
Customers say the Galaxy Note20 5G looks like new and performs very well. Many appreciate its reliable battery life and clean condition, with some noting it works perfectly for everyday use. The phone's screen and general performance meet expectations, and users mention it being a great deal, especially for those replacing a Note model. A few customers highlight minor screen marks or third-party accessories but remain satisfied overall.
Reviews of the Galaxy S21 Ultra 5G praise its near-new condition and advanced features. Users find the display sharp and the phone fast and reliable. The large camera and screen are appreciated, with many happy with the phone's appearance and performance despite choosing lower condition grades. Some mention the phone feels like a high-quality choice and suits users wanting more storage and power.
The Note20 5G suits buyers looking for a well-rounded, everyday phone with good battery and screen size. The S21 Ultra 5G fits those wanting a phone with a larger, higher resolution screen, stronger camera capabilities, and more storage options.
Galaxy Note20 5G vs Galaxy S21 Ultra 5G FAQs
Galaxy Note20 5G vs S21 Ultra 5G comes down to the RAM, battery and screen size. The Galaxy S21 Ultra 5G has more RAM: 12 GB vs 8 GB. The Galaxy S21 Ultra 5G has a bigger battery: 5000 mAh vs 4300 mAh.
The Galaxy Note20 5G is cheaper refurbished, from £190 compared with £268.86 for the Galaxy S21 Ultra 5G.
The Galaxy S21 Ultra 5G has a bigger battery: 5000 mAh vs 4300 mAh.
The Galaxy S21 Ultra 5G has a higher-resolution main camera: 108 megapixels vs 12 megapixels.
Updates for the Galaxy Note20 5G ended in Sep 2025. Updates for the Galaxy S21 Ultra 5G ended in Feb 2026.
The Galaxy S21 Ultra 5G adds more RAM (12 GB vs 8 GB), a bigger battery (5000 mAh vs 4300 mAh) and a smoother screen (120 Hz vs 60 Hz). Refurbished, it costs £78.86 more (from £268.86 vs £190).
Refurbished, the Galaxy Note20 5G comes in 128GB and 256GB, and the Galaxy S21 Ultra 5G in 128GB, 256GB and 512GB.
