Galaxy A21s vs Galaxy Note20 5G
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Galaxy A21s
Starting at
£60.24£219.00 new
Galaxy Note20 5G
Starting at
£190.00What's the difference between the Galaxy A21s and Galaxy Note20 5G?
Galaxy A21s vs Note20 5G comes down to the RAM, battery and screen size. Refurbished, the Galaxy A21s starts at £60.24, £129.76 less than the Galaxy Note20 5G.
Refurbished from
RAM
Battery
Screen size
Screen type
Main camera
- The Galaxy Note20 5G has more RAM: 8 GB vs 3 GB.
- The Galaxy A21s has a bigger battery: 5000 mAh vs 4300 mAh.
- The Galaxy Note20 5G has a bigger screen: 6.7 inch vs 6.5 inch.
Galaxy A21s vs Galaxy Note20 5G specs
The Galaxy A21s and Galaxy Note20 5G are both solid choices from 2020, each suited to different needs. The Galaxy Note20 5G offers a larger, higher resolution Super AMOLED Plus screen and more RAM, making it a good match if you want a smooth experience with plenty of apps open and vibrant visuals. It also supports 5G and has higher storage options but does not support expandable storage. The Galaxy A21s has a bigger battery and a microSDXC slot for storage expansion, making it ideal if you prioritise longer battery life and flexibility in memory. Its screen is simpler but still sizeable, and it has a higher megapixel count on the main and front cameras, which may appeal if camera detail is important to you.
Galaxy A21s vs Galaxy Note20 5G price
Colour
- BronzeSold out
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Storage
- 128GBSold out
- 256GBSold out
Galaxy A21s vs Galaxy Note20 5G battery life and software updates
Durability involves battery capacity, software updates, and basic device features like OS and foldability. Battery life and how long the device stays powered are important here.
Battery Capacity
The Galaxy A21s has a 5000 mAh battery, which is larger than the Galaxy Note20 5G's 4300 mAh. This means the Galaxy A21s is suited to users who want longer use between charges, especially if you rely on your phone for extended periods without easy access to power.
Battery
Fast charging
Foldable
Software updates
Year of release
Galaxy A21s vs Galaxy Note20 5G performance
Chipset
RAM
Galaxy A21s vs Galaxy Note20 5G screen
Screen quality covers resolution, size, and panel type. These factors affect how clear and vibrant content looks, and how much space you have for apps, browsing, or media.
Resolution and Size
The Galaxy Note20 5G has a 6.7 inch screen with a resolution of 1080 x 2400, offering a sharper and larger display compared to the Galaxy A21s's 6.5 inch screen at 720 x 1600. This makes the Note20 5G better for watching videos or viewing detailed images.
Screen Type
The Galaxy Note20 5G uses a Super AMOLED Plus screen, which typically provides richer colours and deeper blacks. The Galaxy A21s features a PLS LCD screen, which offers good brightness but less contrast and vibrancy. If display quality is a priority, the Note20 5G suits you better.
Refresh rate
Resolution
Screen size
Screen type
Galaxy A21s vs Galaxy Note20 5G camera
Audiovisual features focus on camera capabilities. These cameras affect how detailed your photos and video calls are.
Front Camera
The Galaxy A21s has a 13 megapixel front camera, higher in megapixels than the Galaxy Note20 5G's 10 megapixel front camera. This could mean more detailed selfies or video call images on the A21s.
Main Camera
The Galaxy A21s features a 48 megapixel main camera, which captures more detail in photos compared to the Galaxy Note20 5G's 12 megapixel main camera. If you want higher resolution photos from the main camera, the A21s would be suitable.
Camera type
Front camera
Main camera
Galaxy A21s vs Galaxy Note20 5G size and design
Miscellaneous specs include network compatibility, physical dimensions, SIM options, and storage-related features. These affect how you connect, carry, and expand your device.
Network and SIM
The Galaxy Note20 5G supports 5G networks and comes with dual physical SIM slots, making it ideal if you want faster mobile data and the convenience of two SIMs. The Galaxy A21s supports 4G and has a single physical SIM slot.
Storage Options
The Galaxy Note20 5G is available with larger internal storage options at 128GB and 256GB, which suits users who need more built-in space. The Galaxy A21s comes in 32GB and 64GB versions but includes a microSDXC slot, allowing you to add external storage if required.
Size and Weight
Both phones weigh 192 g, but the Galaxy A21s is slightly taller and deeper, measuring 163.7 mm tall and 8.9 mm thick. The Galaxy Note20 5G is a bit shorter and slimmer at 161.6 mm tall and 8.3 mm thick. The widths are almost identical. These minor differences may affect pocket fit and handling.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy A21s or Galaxy Note20 5G: which should you buy?
Buy the Galaxy A21s if
- you want to spend less: it starts at £60.24, £129.76 less than the Galaxy Note20 5G
- you want a bigger battery (5000 mAh vs 4300 mAh)
- you want a higher-resolution main camera (48 megapixels vs 12 megapixels)
Buy the Galaxy Note20 5G if
- you want more RAM (8 GB vs 3 GB)
- you want a bigger screen (6.7 inch vs 6.5 inch)
- you want an OLED screen
What our customers say
Customers say the Galaxy A21s looks like new and works well for everyday use. Many have bought several for family members and appreciate its quality and condition. Some mention the phone works fine after initial setup, and its battery life and camera detail are well received. The storage capacity has been noted carefully by users, with a 64GB capacity commonly seen in reviews.
Reviews of the Galaxy Note20 5G highlight its near-new condition and excellent performance. Customers appreciate the sharp, vibrant screen and good battery life. Many mention the phone looks very clean and works exactly as expected. Some note minor marks that do not affect use. The 5G connectivity and dual SIM options are valued by users who need fast data and multiple lines. The included accessories and easy data transfer add to a positive experience.
The Galaxy A21s suits those who want a reliable phone with a long-lasting battery and expandable storage, perfect for everyday use and photo detail. The Galaxy Note20 5G fits users who prioritise a larger, sharper screen, faster mobile networks, more RAM for smooth multitasking, and larger built-in storage.
Galaxy A21s vs Galaxy Note20 5G FAQs
Galaxy A21s vs Note20 5G comes down to the RAM, battery and screen size. The Galaxy Note20 5G has more RAM: 8 GB vs 3 GB. The Galaxy A21s has a bigger battery: 5000 mAh vs 4300 mAh.
The Galaxy A21s is cheaper refurbished, from £60.24 compared with £190 for the Galaxy Note20 5G.
The Galaxy A21s has a bigger battery: 5000 mAh vs 4300 mAh.
The Galaxy A21s has a higher-resolution main camera: 48 megapixels vs 12 megapixels.
The Galaxy A21s no longer gets updates. Updates for the Galaxy Note20 5G ended in Sep 2025.
Refurbished, the Galaxy A21s comes in 32GB and 64GB, and the Galaxy Note20 5G in 128GB and 256GB.







