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Galaxy A21s vs Galaxy S20 FE 5G

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Galaxy A21s

Starting at

£60.24£219.00 new
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Galaxy S20 FE 5G

Starting at

£163.65£699.00 new
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(171 reviews)
(351 reviews)

What's the difference between the Galaxy A21s and Galaxy S20 FE 5G?

Galaxy A21s vs S20 FE 5G comes down to the chipset, RAM and battery. Refurbished, the Galaxy A21s starts at £60.24, £103.41 less than the Galaxy S20 FE 5G.

Refurbished from

£60.24£163.65

Chipset

Exynos 850Qualcomm SM8250 Snapdragon 865 5G (7 nm+)

RAM

3 GB6 GB

Battery

5000 mAh4500 mAh

Screen type

PLS LCDSuper AMOLED

Main camera

48 megapixels12 megapixels
  • Chipset: Exynos 850 on the Galaxy A21s, Qualcomm SM8250 Snapdragon 865 5G (7 nm+) on the Galaxy S20 FE 5G.
  • The Galaxy S20 FE 5G has more RAM: 6 GB vs 3 GB.
  • The Galaxy A21s has a bigger battery: 5000 mAh vs 4500 mAh.

Galaxy A21s vs Galaxy S20 FE 5G specs

The Galaxy A21s and Galaxy S20 FE 5G were both released in 2020 but cater to different needs. The Galaxy A21s offers a larger battery and simpler performance suited for everyday tasks, with a PLS LCD screen and higher resolution main camera. The Galaxy S20 FE 5G supports 5G networks and comes with a more powerful Snapdragon 865 chipset, double the RAM, a higher resolution Super AMOLED screen, and higher resolution front camera. It is ideal if you want faster performance, better screen quality, and more storage options. The Galaxy A21s suits those who prioritise battery life and straightforward use, while the Galaxy S20 FE 5G fits users looking for faster connectivity and a richer multimedia experience.

Galaxy A21s vs Galaxy S20 FE 5G price

Galaxy A21s vs Galaxy S20 FE 5G battery life and software updates

Battery capacity and operating system support affect day-to-day use and longevity. Both devices run Android and were released in 2020, but their battery sizes differ.

Battery Capacity

The Galaxy A21s has a 5000 mAh battery, which is larger than the Galaxy S20 FE 5G's 4500 mAh. This means the Galaxy A21s can offer longer use between charges, making it suitable if you need your phone to last through a long day without frequent charging.

Battery

5000 mAh4500 mAh

Fast charging

15 WN/A

Foldable

NoNo

Software updates

EndedEnded Nov 2025

Year of release

20202020

Galaxy A21s vs Galaxy S20 FE 5G performance

The chipset, RAM, and storage options determine how smoothly a phone runs apps and handles multitasking. The two phones differ significantly here, reflecting their target users.

Processor Power

The Galaxy S20 FE 5G features the Qualcomm SM8250 Snapdragon 865 5G chipset built on 7 nm+ technology, while the Galaxy A21s uses the Exynos 850. The Snapdragon 865 supports faster processing and better performance for demanding apps and games, making the S20 FE 5G ideal for users who want more speed.

RAM Size

With 6 GB of RAM, the Galaxy S20 FE 5G keeps more apps open and supports smoother multitasking compared to the Galaxy A21s, which has 3 GB of RAM. This makes the S20 FE 5G better suited for users who use many apps simultaneously.

Storage Options

The Galaxy A21s is stocked with 32GB and 64GB storage models, while the Galaxy S20 FE 5G offers larger capacities of 128GB and 256GB. If you store many photos, videos, or apps on your phone, the S20 FE 5G provides more space out of the box.

Chipset

Exynos 850Qualcomm SM8250 Snapdragon 865 5G (7 nm+)

RAM

3 GB6 GB

Galaxy A21s vs Galaxy S20 FE 5G screen

Screen size, resolution and type affect how content looks and how comfortable it is to view. Both phones have the same screen size but differ in display technology and sharpness.

Screen Resolution

The Galaxy S20 FE 5G has a higher resolution of 1080 x 2400, compared to the Galaxy A21s's 720 x 1600. This means images and text appear sharper on the S20 FE 5G, which is noticeable when watching videos or reading small text.

Screen Technology

The Galaxy S20 FE 5G uses a Super AMOLED screen, offering more vivid colours and deeper blacks. The Galaxy A21s has a PLS LCD screen, which still provides good brightness but with less contrast. Users who value vibrant display quality will prefer the S20 FE 5G.

Refresh rate

N/A120 Hz

Resolution

720 x 16001080 x 2400

Screen size

6.5 inch6.5 inch

Screen type

PLS LCDSuper AMOLED

Galaxy A21s vs Galaxy S20 FE 5G camera

Camera resolution affects how detailed photos and selfies look. The two devices take different approaches here, with one focusing on the main camera and the other on the front camera.

Front Camera Detail

The Galaxy S20 FE 5G has a 32 megapixel front camera, which captures more detail in selfies and video calls than the Galaxy A21s's 13 megapixel front camera. This suits users who prioritise selfie quality.

Main Camera Resolution

The Galaxy A21s features a 48 megapixel main camera, delivering higher resolution photos than the Galaxy S20 FE 5G's 12 megapixel main camera. This can benefit users who want detailed shots from the rear camera.

Camera type

N/ATriple (3x)

Front camera

13 megapixels32 megapixels

Main camera

48 megapixels12 megapixels

Galaxy A21s vs Galaxy S20 FE 5G size and design

Other features like network type, SIM card configuration, size, and weight influence everyday convenience and connectivity options.

Network Connectivity

The Galaxy S20 FE 5G supports 5G mobile networks, providing faster data speeds where available. The Galaxy A21s operates on 4G networks, which remain widely available. Choose the S20 FE 5G if you want access to 5G connectivity.

SIM Card Options

The Galaxy S20 FE 5G supports dual physical SIM cards, allowing use of two phone numbers or carriers simultaneously. The Galaxy A21s supports a single physical SIM. Dual SIM is useful for managing work and personal numbers on one device.

Physical Dimensions

Both phones have a similar size but the Galaxy A21s is slightly taller at 163.7 mm compared to 159.8 mm for the Galaxy S20 FE 5G. The width and weight are nearly the same, so both fit comfortably in hand or pocket.

Expandable Storage

Both devices support microSDXC cards, allowing you to add more storage for photos, videos, and apps. This is helpful if you choose a model with less built-in storage.

Carrier compatibility

UnlockedUnlocked

Connector

N/AUSB-C

Depth

8.9 mm8.4 mm

Height

163.7 mm159.8 mm

Mobile network

4G5G

Release date

19 June 2020N/A

SD card slot

microSDXCmicroSDXC

SIM card

Physical SIMDual Physical SIM

Weight

192 g190 g

Width

75.3 mm74.5 mm

Galaxy A21s or Galaxy S20 FE 5G: which should you buy?

Buy the Galaxy A21s if

  • you want to spend less: it starts at £60.24, £103.41 less than the Galaxy S20 FE 5G
  • you want a bigger battery (5000 mAh vs 4500 mAh)
  • you want a higher-resolution main camera (48 megapixels vs 12 megapixels)

Buy the Galaxy S20 FE 5G if

  • you want more RAM (6 GB vs 3 GB)
  • you want an OLED screen
  • you want a higher-resolution front camera (32 megapixels vs 13 megapixels)

What our customers say

Customers who have bought the Galaxy A21s highlight its excellent condition and reliable performance for everyday use. Many mention the phone looks like new and is great for simple tasks, with several buyers purchasing it for family members. Battery life and phone condition receive positive notes, even when some initially experienced setup challenges. Storage confusion was noted once but the overall feedback on quality is strong.

For the Galaxy S20 FE 5G, customers appreciate the device's smooth performance and high-quality screen, often describing it as feeling almost new. Reviews highlight the phone's speed and suitability for handling apps well, with many users enjoying the 5G connectivity and larger storage options. The screen's brightness and clarity receive praise, as does the phone's solid feel. Some users mention easy setup and good value for refurbished phones.

Overall, the Galaxy A21s suits those who want a dependable phone for daily use with strong battery life, while the Galaxy S20 FE 5G fits users looking for faster performance, better display quality, and 5G support.

Galaxy A21s vs Galaxy S20 FE 5G FAQs

Galaxy A21s vs S20 FE 5G comes down to the chipset, RAM and battery. Chipset: Exynos 850 on the Galaxy A21s, Qualcomm SM8250 Snapdragon 865 5G (7 nm+) on the Galaxy S20 FE 5G. The Galaxy S20 FE 5G has more RAM: 6 GB vs 3 GB.

The Galaxy A21s is cheaper refurbished, from £60.24 compared with £163.65 for the Galaxy S20 FE 5G.

The Galaxy A21s has a bigger battery: 5000 mAh vs 4500 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 S20 FE 5G ended in Nov 2025.

Refurbished, the Galaxy A21s comes in 32GB and 64GB, and the Galaxy S20 FE 5G in 128GB and 256GB.

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