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Galaxy A21s vs Galaxy A40

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Galaxy A21s

Starting at

£60.24£219.00 new
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Galaxy A40

Starting at

£71.42£229.00 new
See options
(171 reviews)
(287 reviews)

What's the difference between the Galaxy A21s and Galaxy A40?

Galaxy A21s vs A40 comes down to the chipset, RAM and battery. Refurbished, the Galaxy A21s starts at £60.24, £11.18 less than the Galaxy A40. The Galaxy A21s is the newer model, released in 2020.

Refurbished from

£60.24£71.42

Chipset

Exynos 850Exynos 7904

RAM

3 GB4 GB

Battery

5000 mAh3100 mAh

Screen size

6.5 inch5.9 inch

Screen type

PLS LCDSuper AMOLED
  • Chipset: Exynos 850 on the Galaxy A21s, Exynos 7904 on the Galaxy A40.
  • The Galaxy A40 has more RAM: 4 GB vs 3 GB.
  • The Galaxy A21s has a bigger battery: 5000 mAh vs 3100 mAh.

Galaxy A21s vs Galaxy A40 specs

The Galaxy A21s and Galaxy A40 each suit different needs based on their strengths. The Galaxy A21s offers a larger battery and a bigger screen, suitable for longer use between charges and more viewing space. The Galaxy A40 has a higher screen resolution, more RAM, and a sharper front camera, benefiting those who prefer a sharper display and smoother multitasking. The Galaxy A21s also carries a higher resolution main camera for detailed photos, while the Galaxy A40 is lighter and more compact, fitting comfortably in pockets. Storage options differ slightly, with the Galaxy A21s available in 32GB and 64GB, and the Galaxy A40 stocked in 64GB. Both run Android and support 4G networks.

Galaxy A21s vs Galaxy A40 price

Galaxy A21s vs Galaxy A40 battery life and software updates

Durability covers battery size and software support. These affect how long the phone lasts on a charge and how long it can keep up with system updates.

Battery Capacity

The Galaxy A21s has a 5000 mAh battery, which is well suited for longer daily use without needing a charge. This makes it a good choice if you often use your phone for extended periods away from power. The Galaxy A40's 3100 mAh battery is smaller, which suits users who charge more frequently or use their phone less intensively.

Software Updates

Both run on Android but will not receive the newest system features or security patches.

Battery

5000 mAh3100 mAh

Fast charging

15 W15 W

Foldable

NoNo

Software updates

EndedEnded

Year of release

20202019

Galaxy A21s vs Galaxy A40 performance

Performance depends on the processor, memory, and storage options. These affect how well the phone handles apps and multitasking.

Processor and RAM

The Galaxy A21s uses the Exynos 850 chipset with 3 GB of RAM, making it suitable for everyday tasks and basic app use. The Galaxy A40 uses the Exynos 7904 with 4 GB of RAM, which offers extra memory to keep more apps open and run multitasking more smoothly.

Storage Options

The Galaxy A21s is stocked in 32GB and 64GB versions, providing a choice if you want a lower priced or larger storage model. The Galaxy A40 is available in a 64GB version, offering a single storage size that suits users wanting more space for apps and files.

Chipset

Exynos 850Exynos 7904

RAM

3 GB4 GB

Galaxy A21s vs Galaxy A40 screen

Screen quality affects how images and text look, and the amount of space you have for viewing content.

Screen Size

The Galaxy A21s has a larger 6.5 inch screen, which is better for watching videos and browsing where more space is useful. The Galaxy A40 has a smaller 5.9 inch display, which suits those who prefer a phone that is easier to hold one-handed.

Resolution and Screen Type

The Galaxy A40 features a higher resolution of 1080 x 2340 pixels and a Super AMOLED screen type, delivering sharper and more vibrant images. This makes it a good choice if you want crisp visuals and deeper colours. The Galaxy A21s has a 720 x 1600 resolution with a PLS LCD screen, which is clear for everyday use but less detailed than the A40.

Resolution

720 x 16001080 x 2340

Screen size

6.5 inch5.9 inch

Screen type

PLS LCDSuper AMOLED

Galaxy A21s vs Galaxy A40 camera

Audiovisual features focus on camera quality, affecting how detailed your photos and selfies can be.

Main Camera

The Galaxy A21s offers a 48 megapixel main camera, which captures photos with high detail. This suits users who prioritise detailed rear photos for everyday photography.

Front Camera

The Galaxy A40 has a 25 megapixel front camera, making it well suited for clear, detailed selfies and video calls. The Galaxy A21s has a 13 megapixel front camera, suitable for standard selfie and video needs.

Camera type

N/ADouble (2x)

Front camera

13 megapixels25 megapixels

Main camera

48 megapixels16 megapixels

Galaxy A21s vs Galaxy A40 size and design

Other practical differences include size, weight, SIM options, and expandable storage which affect comfort, connectivity, and flexibility.

Physical Size and Weight

The Galaxy A21s is larger and heavier, measuring 163.7 mm by 75.3 mm and weighing 192 g, which fits users who prefer a bigger phone. The Galaxy A40 is smaller and lighter at 144.4 mm height, 69.2 mm width, and 140 g weight, making it easier to carry and use one-handed.

SIM Card Options

The Galaxy A21s supports a single physical SIM card, while the Galaxy A40 has dual physical SIM slots. The dual SIM option suits users who want to use two phone numbers or plans on one device.

Expandable Storage

Both phones support microSDXC cards, allowing you to add extra storage if you need more space for media and apps.

Network Compatibility

Both devices work on 4G networks and come unlocked, giving flexibility to choose your mobile carrier.

Carrier compatibility

UnlockedUnlocked

Connector

N/AUSB-C + Jack 3.5mm

Depth

8.9 mm7.9 mm

Height

163.7 mm144.4 mm

Mobile network

4G4G

Release date

19 June 2020N/A

SD card slot

microSDXCmicroSDXC

SIM card

Physical SIMDual Physical SIM

Weight

192 g140 g

Width

75.3 mm69.2 mm

Galaxy A21s or Galaxy A40: which should you buy?

Buy the Galaxy A21s if

  • you want to spend less: it starts at £60.24, £11.18 less than the Galaxy A40
  • you want a bigger battery (5000 mAh vs 3100 mAh)
  • you want a bigger screen (6.5 inch vs 5.9 inch)

Buy the Galaxy A40 if

  • you want more RAM (4 GB vs 3 GB)
  • you want an OLED screen
  • you want a higher-resolution front camera (25 megapixels vs 13 megapixels)

What our customers say

Customers of the Galaxy A21s often praise the phone's condition and quality, describing it as looking like new and performing well after some initial setup. Many highlight the excellent service and reliability of the handset, with several mentioning they have bought multiple phones for family members. The larger size and battery suit users who want longer usage times, while some note minor frustrations with out-of-the-box performance. Overall, users appreciate the phone's value for everyday use.

Reviews for the Galaxy A40 focus on its compact size and good condition, with many customers happy with the phone fitting easily in pockets and feeling lighter. The higher screen resolution and camera quality appeal to those wanting a sharper display and detailed selfies. Some users, especially older buyers, find the size comfortable. The phone is described as working well and meeting expectations for a refurbished device.

The Galaxy A21s suits users who want a bigger screen and longer battery life, while the Galaxy A40 fits those looking for a sharper display and lighter, smaller design.

Galaxy A21s vs Galaxy A40 FAQs

Galaxy A21s vs A40 comes down to the chipset, RAM and battery. Chipset: Exynos 850 on the Galaxy A21s, Exynos 7904 on the Galaxy A40. The Galaxy A40 has more RAM: 4 GB vs 3 GB.

The Galaxy A21s is cheaper refurbished, from £60.24 compared with £71.42 for the Galaxy A40.

The Galaxy A21s has a bigger battery: 5000 mAh vs 3100 mAh.

The Galaxy A21s has a higher-resolution main camera: 48 megapixels vs 16 megapixels.

The Galaxy A21s no longer gets updates. The Galaxy A40 no longer gets updates.

The Galaxy A21s adds a bigger battery (5000 mAh vs 3100 mAh), a bigger screen (6.5 inch vs 5.9 inch) and a higher-resolution main camera (48 megapixels vs 16 megapixels). Refurbished, it costs £11.18 less (from £60.24 vs £71.42).

Refurbished, the Galaxy A21s comes in 32GB and 64GB, and the Galaxy A40 in 64GB.

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