Galaxy A15 5G Vs Galaxy S21 5G

Galaxy A15 5G
Galaxy A15 5G
Starting at

Refurbished price:124.00

Versus €248.54 new

See options
Galaxy S21 5G
Galaxy S21 5G
Starting at

Refurbished price:165.00

Versus €1,026.00 new

See options

Ratings

The Samsung Galaxy A15 5G, released in late 2023 and early 2024, and the Samsung Galaxy S21 5G, launched in early 2021, represent different segments of Samsung's smartphone lineup. While both devices operate on the Android platform, the Galaxy S21 5G was introduced as a flagship model, offering advanced performance and camera capabilities, whereas the Galaxy A15 5G is positioned as a more recent, accessible option focusing on essential features and extended software support.

Scores

Durability

When considering the practical lifespan of these devices, several factors come into play, including their release timelines and software support commitments.

  • Release Timeline: The Galaxy S21 5G was released in January 2021, making it an older device compared to the Galaxy A15 5G, which launched in late 2023 and early 2024. This difference in release year impacts their remaining software support.
  • Software Longevity: Both models benefit from Samsung's commitment to four generations of Android OS updates and five years of security updates. The Galaxy A15 5G launched with Android 14, meaning it is expected to receive updates up to Android 18 and security patches until 2028. The Galaxy S21 5G, having started on Android 11, has already received updates up to Android 14 and is anticipated to receive Android 15 in May 2025, with security updates also extending for five years from its release. Consequently, the newer Galaxy A15 5G will receive software updates for a longer duration into the future.
  • Repairability: The Galaxy S21 5G features an IP68 rating for dust and water resistance, offering a higher level of protection against environmental elements. The Galaxy A15 5G does not carry an official IP rating, suggesting less robust protection against water and dust ingress.

Year of Release

2023

2021

Compatible with latest Update

Yes

Yes

OS

Android

Android

Foldable

No

No

Performance

The performance of a smartphone is largely determined by its internal components, affecting how smoothly apps run and how efficiently it handles demanding tasks.

  • Processor Capabilities: The Galaxy S21 5G is equipped with a flagship-grade processor (either the Exynos 2100 or Qualcomm Snapdragon 888, depending on the region), designed to handle intensive applications and multitasking with ease. The Galaxy A15 5G features a mid-range processor, which is suitable for everyday tasks like social media, web browsing, and casual gaming. Users of the Galaxy A15 5G may experience slower app loading times and occasional stuttering, particularly with more demanding applications or extensive multitasking.
  • System Responsiveness and RAM: The Galaxy S21 5G typically comes with 8GB of RAM, contributing to its smooth multitasking capabilities and overall system responsiveness. The Galaxy A15 5G offers configurations with 4GB, 6GB, or 8GB of RAM. While 6GB or 8GB models can manage daily use adequately, the 4GB variant may show limitations when switching between multiple applications.
  • Storage Options: Both devices offer 128GB and 256GB internal storage options. A notable difference is that the Galaxy A15 5G supports expandable storage via a microSD card up to 1TB, providing flexibility for users who require more space for media and files. The Galaxy S21 5G does not include a microSD card slot.

Memory (GB)

4 GB

8 GB

Screen quality

The display is a primary interface for smartphone interaction, and both devices offer distinct viewing experiences.

  • Display Technology and Resolution: Both the Galaxy A15 5G and Galaxy S21 5G feature Super AMOLED displays, known for vibrant colors and deep blacks. Both also offer a Full HD+ resolution (1080x2340 for A15 5G, 1080x2400 for S21 5G), providing clear visuals for everyday viewing.
  • Refresh Rate and Brightness: The Galaxy S21 5G boasts an adaptive 120Hz refresh rate, which contributes to smoother scrolling and a more fluid user experience, along with a peak brightness of 1300 nits for excellent visibility in bright conditions. The Galaxy A15 5G has a 90Hz refresh rate, offering a smoother experience than standard 60Hz displays, and a peak brightness of 800 nits, which is generally sufficient for outdoor use.
  • Screen Size: The Galaxy A15 5G features a slightly larger 6.5-inch display, while the Galaxy S21 5G has a 6.2-inch display.

Resolution

1080 x 2340

1080 x 2400

Screen type

Super AMOLED

Dynamic AMOLED 2X

Audiovisual

The camera systems on these smartphones cater to different photography needs and expectations.

  • Rear Camera System: The Galaxy S21 5G features a versatile triple-camera setup, including a 12MP wide-angle lens with optical image stabilization (OIS), a 64MP telephoto lens with OIS and 3x hybrid zoom, and a 12MP ultrawide lens. This configuration allows for detailed photos, effective zooming, and good performance in various lighting conditions. The Galaxy A15 5G also has a triple-camera system, comprising a 50MP main sensor, a 5MP ultrawide, and a 2MP macro lens. The A15 5G's main camera can produce decent images in good lighting, but it lacks OIS and its ultrawide and macro lenses offer more basic functionality.
  • Video Recording Capabilities: The Galaxy S21 5G is capable of recording 8K video, as well as 4K video at 60 frames per second, providing high-resolution and smooth video capture. The Galaxy A15 5G records video at Full HD (1080p) at 30 frames per second.
  • Front Camera: For selfies and video calls, the Galaxy S21 5G has a 10MP front camera with Dual Pixel autofocus, offering clear and detailed self-portraits. The Galaxy A15 5G is equipped with a 13MP front camera.

Main camera

50 megapixels

12 megapixels

Front camera

13 megapixels

10 megapixels

Miscellaneous

Beyond core performance and display, several other features contribute to the overall user experience.

  • Connectivity and Ports: Both devices support 5G connectivity. The Galaxy S21 5G features Wi-Fi 6 and Bluetooth 5.0/5.1/5.2, while the Galaxy A15 5G supports Wi-Fi 5 and Bluetooth 5.3. The Galaxy A15 5G includes a 3.5mm headphone jack and a USB-C 2.0 port. The Galaxy S21 5G uses a USB-C port but omits the headphone jack.
  • Biometric Security: The Galaxy S21 5G features an in-display fingerprint sensor. The Galaxy A15 5G incorporates a side-mounted fingerprint sensor.
  • Build Materials and Dimensions: The Galaxy S21 5G has a slimmer design and a more premium feel, though its back is plastic. It weighs 171g and measures 151.7 x 71.2 x 7.9 mm. The Galaxy A15 5G has a primarily plastic build and weighs 200g, with dimensions of 160.10 x 76.80 x 8.40mm.

Weight

200 g

171 g

Screen size (in)

6.5

6.2

Network

5G

5G

SIM card

Dual Physical SIM

Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

User sentiment for the Galaxy A15 5G often highlights its strong battery life, with many reporting it easily lasts a full day and often into a second day of moderate use. Its extended software support policy is also a frequently praised aspect, offering long-term usability. However, common criticisms revolve around its performance, with some users noting lag and stuttering, especially with multiple apps open or demanding tasks. The camera, while decent in good lighting, is not considered a strong point for advanced photography.

For the Galaxy S21 5G, users frequently commend its vibrant 120Hz AMOLED display and its powerful, flagship-grade performance, which handles demanding applications and gaming smoothly. The versatile camera system, including 8K video recording, is also a significant positive. Conversely, some users have expressed concerns about its battery life, noting it can drain faster than expected, particularly with the 120Hz refresh rate enabled. The plastic back, despite being on a flagship device, was also a point of contention for some.

Users prioritizing a device with a long-lasting battery, a headphone jack, expandable storage, and the longest possible software update timeline may find the Galaxy A15 5G well-suited to their needs. It serves as a reliable option for essential smartphone functions and moderate usage. Conversely, individuals who prioritize high-end performance for demanding applications and gaming, a superior camera system with advanced video capabilities, a more premium build, and a smoother display experience will likely lean towards the Galaxy S21 5G. Both devices offer compelling features for different user profiles, and choosing a quality-assured refurbished option for either model can provide an eco-friendly alternative for consumers.

See all articles

Our recent comparisons