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Galaxy A23 vs Nokia G21

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Galaxy A23

Starting at

£122.25£399.00 new
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Nokia G21

Starting at

£88.00
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(20 reviews)
(12 reviews)

What's the difference between the Galaxy A23 and Nokia G21?

Galaxy A23 vs Nokia G21 comes down to the chipset, RAM and battery. Refurbished, the Nokia G21 starts at £88, £34.25 less than the Galaxy A23.

Refurbished from

£122.25£88

Chipset

Qualcomm SM6225 Snapdragon 680 4G (6 nm)Unisoc T606

RAM

4 GB3 GB

Battery

5000 mAh5050 mAh

Screen size

6.6 inch6,5 inch

Screen type

PLS LCDIPS LCD
  • Chipset: Qualcomm SM6225 Snapdragon 680 4G (6 nm) on the Galaxy A23, Unisoc T606 on the Nokia G21.
  • The Galaxy A23 has more RAM: 4 GB vs 3 GB.
  • Battery: 5000 mAh on the Galaxy A23, 5050 mAh on the Nokia G21.

Galaxy A23 vs Nokia G21 specs

The Galaxy A23 and Nokia G21 both arrived in 2022 and are well suited for everyday use, but they differ in several key areas. The Galaxy A23 offers a sharper screen resolution, more RAM, and a more powerful chipset, making it better for users who want smoother performance and detailed visuals. The Nokia G21 has a slightly larger battery and includes a dual physical SIM slot, which suits users who need longer battery life and want to separate work and personal numbers. Both phones share a similar camera resolution and screen refresh rate, catering to basic photography and smooth scrolling needs.

Galaxy A23 vs Nokia G21 price

Galaxy A23 vs Nokia G21 battery life and software updates

Durability covers battery life, software updates and other key factors for daily reliability. The Galaxy A23 and Nokia G21 both have large batteries, but they differ in software update support and SIM card options.

Battery Capacity

The Nokia G21 has a slightly larger 5050 mAh battery compared to the Galaxy A23's 5000 mAh. This means the Nokia G21 may offer a bit more endurance between charges, which is useful if you often spend long periods away from power sources.

Battery

5000 mAh5050 mAh

Fast charging

25 WN/A

Foldable

NoNo

Software updates

Ended May 2026N/A

Year of release

20222022

Galaxy A23 vs Nokia G21 performance

Performance affects how smoothly your phone runs apps and handles multitasking. Differences in chipset, RAM and storage options determine which device suits your needs best.

Chipset

The Galaxy A23 uses a Qualcomm SM6225 Snapdragon 680 4G chipset built on a 6 nm process, which generally provides efficient and reliable performance for everyday tasks. The Nokia G21 uses a Unisoc T606 chipset. If you use more apps at once or prefer smoother operation, the Galaxy A23 may be better suited.

RAM

The Galaxy A23 comes with 4 GB of RAM, while the Nokia G21 has 3 GB. More RAM allows the Galaxy A23 to keep more apps open and switch between tasks more efficiently, helping if you multitask frequently.

Storage Options

The Galaxy A23 is available with 64 GB or 128 GB of storage, offering more space for apps, photos and files. The Nokia G21 is stocked with 64 GB only, which suits users with lighter storage needs.

Chipset

Qualcomm SM6225 Snapdragon 680 4G (6 nm)Unisoc T606

RAM

4 GB3 GB

Galaxy A23 vs Nokia G21 screen

Screen quality influences how clear and smooth your viewing experience is. Both devices share some features but differ in resolution and screen type, which affect sharpness and colour.

Resolution and Size

The Galaxy A23 features a higher resolution of 1080 x 2408 on a 6.6 inch screen, producing sharper and more detailed images. The Nokia G21 has a 720 x 1600 resolution on a slightly smaller 6.5 inch screen. If you watch videos or browse photos often, the Galaxy A23's sharper display will offer a clearer view.

Screen Type

The Galaxy A23 uses a PLS LCD screen, while the Nokia G21 uses an IPS LCD. Both are LCD technologies known for decent colour reproduction and viewing angles, so either phone will provide a good everyday screen experience.

Refresh Rate

Both phones offer a 90 Hz refresh rate, which means scrolling and animations appear smoother than on standard 60 Hz screens. This helps with fluid navigation and makes the screen easier on the eyes during extended use.

Refresh rate

90 Hz90 Hz

Resolution

1080 x 2408720 x 1600

Screen size

6.6 inch6,5 inch

Screen type

PLS LCDIPS LCD

Galaxy A23 vs Nokia G21 camera

Audiovisual features focus on cameras and front-facing sensors, relevant if you take photos or video calls regularly. Both phones share some camera specs but differ in camera count.

Camera Setup

The Galaxy A23 has a quadruple rear camera setup, compared to the Nokia G21's triple cameras. This gives the Galaxy A23 more options for different photography styles, such as depth sensing or macro shots. Both phones have a 50 megapixel main camera, capable of capturing detailed images in good lighting.

Front Camera

Both phones feature an 8 megapixel front camera, suitable for selfies and video calls. You can expect similar quality from each device when using the front-facing lens.

Camera type

Quadruple (4x)Triple (3x)

Front camera

8 megapixels8 megapixels

Main camera

50 megapixels50 megapixels

Galaxy A23 vs Nokia G21 size and design

Other features include carrier compatibility, connectors, SIM options and weight. These affect everyday convenience and how you use the phone with networks and accessories.

SIM Card Options

The Nokia G21 supports dual physical SIM cards, ideal if you want to use two phone numbers on the same device, such as separating work and personal lines. The Galaxy A23 has a single physical SIM slot, which suits users with just one mobile number.

Connectors and Network

Both phones come unlocked with 4G mobile network support and include USB-C and 3.5 mm headphone jacks. This means you can use your preferred wired headphones and connect to a wide range of carriers without restrictions.

Weight

The Nokia G21 weighs 190 g, making it slightly lighter than the Galaxy A23 at 195 g. This difference is minimal but may be noticeable if you prefer a lighter handset.

Carrier compatibility

UnlockedUnlocked

Connector

USB-C + Jack 3.5mmUSB-C + Jack 3.5mm

Depth

8.4 mm8.5 mm

Height

165.4 mm164.6 mm

Mobile network

4G4G

Release date

25 March 2022N/A

SD card slot

microSDXCmicroSDXC

SIM card

Physical SIMDual Physical SIM

Weight

195 g190 g

Width

76.9 mm75.9 mm

Galaxy A23 or Nokia G21: which should you buy?

Buy the Galaxy A23 if

  • you want more RAM (4 GB vs 3 GB)

Buy the Nokia G21 if

  • you want to spend less: it starts at £88, £34.25 less than the Galaxy A23
  • you want a lighter build (190 g vs 195 g)

What our customers say

Customers appreciate the Galaxy A23 for its excellent condition and solid performance. Many say it looks spotless and works perfectly, with battery life lasting up to two days even under heavy use. The camera is praised for good quality in well-lit conditions, and the phone is described as easy to use, suitable for a range of users including those new to refurbished phones. Some mention setup can be tricky due to language settings, but overall the Galaxy A23 is seen as a reliable and well-maintained device.

Users of the Nokia G21 highlight its good price and dependable battery life, often saying it lasts longer than previous phones. The device is described as looking brand new and working well, with the camera performing adequately. Some find it slower in speed, which matches the simpler performance expectations. The dual SIM capability is valued by users needing to manage multiple numbers. Customers often intend to buy the same model again, appreciating the balance between cost and everyday functionality.

The Galaxy A23 suits those who want sharper visuals, smoother multitasking and the latest software updates, while the Nokia G21 fits people who prioritise longer battery life and dual SIM support in a lighter device.

Galaxy A23 vs Nokia G21 FAQs

Galaxy A23 vs Nokia G21 comes down to the chipset, RAM and battery. Chipset: Qualcomm SM6225 Snapdragon 680 4G (6 nm) on the Galaxy A23, Unisoc T606 on the Nokia G21. The Galaxy A23 has more RAM: 4 GB vs 3 GB.

The Nokia G21 is cheaper refurbished, from £88 compared with £122.25 for the Galaxy A23.

The Galaxy A23 has 5000 mAh and the Nokia G21 has 5050 mAh.

Both have the same main camera: 50 megapixels.

Updates for the Galaxy A23 ended in May 2026. We don't have published update dates for the Nokia G21.

Refurbished, the Galaxy A23 comes in 64GB and 128GB, and the Nokia G21 in 64GB.

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