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Galaxy A52s 5G vs Galaxy S21 Ultra 5G

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Galaxy A52s 5G

Starting at

£152.15£499.00 new
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Galaxy S21 Ultra 5G

Starting at

£268.86£1,316.00 new
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(413 reviews)
(674 reviews)

What's the difference between the Galaxy A52s 5G and Galaxy S21 Ultra 5G?

Galaxy A52s 5G vs S21 Ultra 5G comes down to the chipset, RAM and battery. Refurbished, the Galaxy A52s 5G starts at £152.15, £116.71 less than the Galaxy S21 Ultra 5G.

Refurbished from

£152.15£268.86

Chipset

Qualcomm SM7325 Snapdragon 778G 5G (6 nm)Exynos 2100 (5 nm), Qualcomm SM8350 Snapdragon 888 5G (5 nm)

RAM

4 GB12 GB

Battery

4500 mAh5000 mAh

Screen size

6.5 inch6.8 inch

Screen type

Super AMOLEDDynamic AMOLED 2X
  • Chipset: Qualcomm SM7325 Snapdragon 778G 5G (6 nm) on the Galaxy A52s 5G, Exynos 2100 (5 nm), Qualcomm SM8350 Snapdragon 888 5G (5 nm) on the Galaxy S21 Ultra 5G.
  • The Galaxy S21 Ultra 5G has more RAM: 12 GB vs 4 GB.
  • The Galaxy S21 Ultra 5G has a bigger battery: 5000 mAh vs 4500 mAh.

Galaxy A52s 5G vs Galaxy S21 Ultra 5G specs

The Galaxy A52s 5G and Galaxy S21 Ultra 5G both run Android and support 5G but they suit different types of users. The Galaxy A52s 5G offers a solid balance of features with a 6.5 inch Full HD screen, 4 GB RAM, and a 4500 mAh battery, making it a good choice for everyday use and those who prefer a lighter, simpler phone. The Galaxy S21 Ultra 5G provides a larger 6.8 inch screen with higher resolution, significantly more RAM at 12 GB, and a bigger 5000 mAh battery, which benefits users looking for more power, a sharper display, and advanced camera performance. Storage options and camera specs also differ notably, reflecting the S21 Ultra's focus on premium features.

Galaxy A52s 5G vs Galaxy S21 Ultra 5G price

Galaxy A52s 5G vs Galaxy S21 Ultra 5G battery life and software updates

Durability covers battery capacity, software updates, and physical design aspects that affect day-to-day use.

Battery Capacity

The Galaxy A52s 5G has a 4500 mAh battery which should comfortably support a full day of typical use. The Galaxy S21 Ultra 5G has a larger 5000 mAh battery suited for users who want longer battery life between charges especially if they use more demanding apps or multitask heavily.

Battery

4500 mAh5000 mAh

Fast charging

25 WN/A

Foldable

NoNo

Ip rating

IP67IP68

Software updates

Ended Oct 2025Ended Feb 2026

Wireless charging

N/AYes

Year of release

20212021

Galaxy A52s 5G vs Galaxy S21 Ultra 5G performance

Performance depends on chipset, RAM, and storage options. These determine how smoothly the phone runs apps and handles multitasking.

Chipset Differences

The Galaxy A52s 5G uses a Qualcomm SM7325 Snapdragon 778G 5G chipset built on 6 nm technology which offers efficient everyday performance suitable for general use. The Galaxy S21 Ultra 5G features either an Exynos 2100 or Qualcomm SM8350 Snapdragon 888 chipset on 5 nm technology designed for higher performance tasks and demanding applications.

RAM and Multitasking

The Galaxy A52s 5G comes with 4 GB of RAM which supports everyday apps and moderate multitasking. The Galaxy S21 Ultra 5G offers 12 GB of RAM ideal for users who keep many apps open simultaneously or require extra memory for intensive tasks.

Storage Options

The Galaxy A52s 5G is stocked with 128 GB of storage which suits most users who manage standard app and media collections. The Galaxy S21 Ultra 5G is available in 128 GB, 256 GB, and 512 GB options catering to users who need more space for large files, apps, or media libraries.

Chipset

Qualcomm SM7325 Snapdragon 778G 5G (6 nm)Exynos 2100 (5 nm), Qualcomm SM8350 Snapdragon 888 5G (5 nm)

RAM

4 GB12 GB

Galaxy A52s 5G vs Galaxy S21 Ultra 5G screen

Screen quality affects viewing comfort and clarity, important for media consumption, gaming, and general use. Both phones support a 120 Hz refresh rate but differ in size, resolution, and display type.

Screen Size and Resolution

The Galaxy A52s 5G has a 6.5 inch screen with 1080 x 2400 resolution. This provides a clear and sharp display suitable for everyday use. The Galaxy S21 Ultra 5G offers a larger 6.8 inch screen with higher 1440 x 3200 resolution giving more screen real estate and finer detail which benefits users watching high-resolution content or who prefer a larger display.

Screen Technology

The Galaxy A52s 5G uses a Super AMOLED screen delivering vibrant colours and good contrast. The Galaxy S21 Ultra 5G features a Dynamic AMOLED 2X screen which typically offers enhanced brightness and colour accuracy appealing to users who value premium display quality.

Refresh rate

120 Hz120 Hz

Resolution

1080 x 24001440 x 3200

Screen size

6.5 inch6.8 inch

Screen type

Super AMOLEDDynamic AMOLED 2X

Galaxy A52s 5G vs Galaxy S21 Ultra 5G camera

Audiovisual features include front and main cameras that affect photo and video quality. Both phones have high-resolution cameras but at different megapixel counts.

Front Camera Detail

The Galaxy A52s 5G has a 32 megapixel front camera suitable for detailed selfies and video calls. The Galaxy S21 Ultra 5G increases this to 40 megapixels which captures more detail and may benefit users who prioritise front camera quality.

Main Camera Resolution

The Galaxy A52s 5G features a 64 megapixel main camera that provides good detail for everyday photography. The Galaxy S21 Ultra 5G offers a 108 megapixel main camera designed for capturing more detailed and higher resolution images appealing to photography enthusiasts or those who want the highest photo quality.

Camera type

N/AQuadruple (4x)

Front camera

32 megapixels40 megapixels

Main camera

64 megapixels108 megapixels

Galaxy A52s 5G vs Galaxy S21 Ultra 5G size and design

Additional features include physical design, connectivity, and storage expandability that affect usability and convenience in daily life.

Connectivity and Ports

The Galaxy A52s 5G includes both USB-C and a 3.5mm headphone jack useful for those who want to use wired headphones without adapters. The Galaxy S21 Ultra 5G has USB-C only which suits users comfortable with wireless audio or USB-C headphones.

Physical Size and Weight

The Galaxy A52s 5G measures 159.9 mm tall, 75.1 mm wide, and is 8.4 mm deep, weighing 189 g. The Galaxy S21 Ultra 5G is larger and heavier at 165.1 mm tall, 75.6 mm wide, 8.9 mm deep, and 227 g. The A52s 5G might appeal to those preferring a lighter phone while the S21 Ultra suits users who want a larger device.

Storage Expansion

The Galaxy A52s 5G supports microSDXC cards allowing you to add extra storage as needed. The Galaxy S21 Ultra 5G does not have a microSDXC slot so you would rely on built-in storage.

SIM Options

The Galaxy A52s 5G uses a physical SIM card only. The Galaxy S21 Ultra 5G supports both a physical SIM and eSIM which can be useful for users who want to manage two phone numbers or plans on one device.

Carrier compatibility

UnlockedUnlocked

Connector

USB-C + Jack 3.5mmUSB-C

Depth

8.4 mm8.9 mm

Height

159.9 mm165.1 mm

Mobile network

5G5G

Release date

3 September 202129 January 2021

SD card slot

microSDXCNo

SIM card

Physical SIMPhysical SIM + eSIM

Weight

189 g227 g

Width

75.1 mm75.6 mm

Galaxy A52s 5G or Galaxy S21 Ultra 5G: which should you buy?

Buy the Galaxy A52s 5G if

  • you want to spend less: it starts at £152.15, £116.71 less than the Galaxy S21 Ultra 5G
  • you want a lighter build (189 g vs 227 g)
  • you want a headphone jack

Buy the Galaxy S21 Ultra 5G if

  • you want more RAM (12 GB vs 4 GB)
  • you want a bigger battery (5000 mAh vs 4500 mAh)
  • you want a bigger screen (6.8 inch vs 6.5 inch)

What our customers say

Customers say the Galaxy A52s 5G often looks like new or fair condition and meets expectations for everyday use. Many report the battery lasts a full day and the phone works perfectly for typical tasks. Some mention scratches or minor cosmetic issues but overall satisfaction is high especially for those who want a reliable phone without extras. A few customers note problems with the screen or adhesives but these seem less common.

The Galaxy S21 Ultra 5G receives praise for its premium feel and condition with many customers finding it looks almost new even in good or fair condition. Users highlight its speed, reliability, and excellent display quality. The phone suits those wanting a powerful device with more storage options and a sharper screen. Some reports mention battery or software issues but many customers are very happy with the camera and overall performance.

In summary, the Galaxy A52s 5G appeals to users seeking a solid, lighter phone for everyday tasks and expandable storage. The Galaxy S21 Ultra 5G is preferred by those who want a larger, more powerful phone with advanced features and higher capacity storage.

Galaxy A52s 5G vs Galaxy S21 Ultra 5G FAQs

Galaxy A52s 5G vs S21 Ultra 5G comes down to the chipset, RAM and battery. Chipset: Qualcomm SM7325 Snapdragon 778G 5G (6 nm) on the Galaxy A52s 5G, Exynos 2100 (5 nm), Qualcomm SM8350 Snapdragon 888 5G (5 nm) on the Galaxy S21 Ultra 5G. The Galaxy S21 Ultra 5G has more RAM: 12 GB vs 4 GB.

The Galaxy A52s 5G is cheaper refurbished, from £152.15 compared with £268.86 for the Galaxy S21 Ultra 5G.

The Galaxy S21 Ultra 5G has a bigger battery: 5000 mAh vs 4500 mAh.

The Galaxy S21 Ultra 5G has a higher-resolution main camera: 108 megapixels vs 64 megapixels.

Updates for the Galaxy A52s 5G ended in Oct 2025. Updates for the Galaxy S21 Ultra 5G ended in Feb 2026.

Refurbished, the Galaxy A52s 5G comes in 128GB, and the Galaxy S21 Ultra 5G in 128GB, 256GB and 512GB.

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