Galaxy A23 5G vs Galaxy S25 Ultra

Galaxy A23 5G
Galaxy A23 5G
Starting at

Refurbished price:A$219.00

Versus A$457.00 new

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Galaxy S25 Ultra
Galaxy S25 Ultra
Starting at

Refurbished price:A$1,122.00

Versus A$2,149.00 new

See options

The Samsung Galaxy A23 5G, released in September 2022, and the Samsung Galaxy S25 Ultra, launched in February 2025, represent distinct tiers within Samsung's smartphone lineup. While both devices operate on the Android platform, they cater to different user expectations through significant differences in their core specifications and advanced features. The A23 5G focuses on delivering essential smartphone capabilities with 5G connectivity, whereas the S25 Ultra is engineered for peak performance, advanced photography, and a premium user experience.

Scores

Durability

The expected practical lifespan and software support differ considerably between these two Samsung smartphones, primarily due to their release timelines and product categories.

  • Release Timeline: The Galaxy A23 5G was released in September 2022, making it an older device compared to the Galaxy S25 Ultra, which launched in February 2025. This age difference directly impacts their remaining support cycles.
  • OS Support Duration: The Galaxy A23 5G launched with Android 12 and has received updates up to Android 14. Users can expect a few more years of security updates, but major Android version upgrades are likely nearing their end. In contrast, the Galaxy S25 Ultra launched with Android 15 and is guaranteed to receive seven years of Android OS upgrades and security updates, extending its software longevity significantly further into the future.
  • Physical Durability: The Galaxy A23 5G features a Gorilla Glass 5 front for screen protection and a plastic back. The Galaxy S25 Ultra, however, incorporates Corning Gorilla Armor 2 on both its front and back, along with a titanium frame, offering enhanced resistance to drops and scratches. The S25 Ultra also boasts an IP68 rating for dust and water resistance, a feature not present on the A23 5G.

Release year

2022

2025

Operating system

Android

Android

Foldable

No

No

Performance

The performance capabilities of the Galaxy A23 5G and the Galaxy S25 Ultra are tailored to different usage demands, reflecting their respective positions in the market.

  • Processing Power: The Galaxy A23 5G is equipped with a processor designed for efficient everyday tasks, handling common applications and moderate multitasking smoothly. The Galaxy S25 Ultra, on the other hand, features a current-generation processor engineered for demanding applications, intensive gaming, and complex AI tasks, providing a highly responsive and fluid user experience even under heavy loads.
  • Multitasking and Storage: The A23 5G typically comes with 4GB to 8GB of RAM, sufficient for general use and switching between a few applications. It offers 64GB or 128GB of internal storage, with the option to expand via a microSD card. The S25 Ultra starts with 12GB of RAM and offers larger internal storage options of 256GB, 512GB, or 1TB, without microSD expansion, allowing for seamless multitasking with numerous applications open simultaneously and ample space for large files and media.
  • Battery Behavior: Both devices house a 5000 mAh battery. The Galaxy A23 5G is noted for its long-lasting battery, capable of getting users through a full day of typical use. The Galaxy S25 Ultra also offers robust battery performance, with user reports indicating it can last over 17 hours in some tests, supporting its powerful components through extended periods of use.

Memory (GB)

4 GB

12 GB

Screen quality

The visual experience offered by these two devices varies significantly due to differences in their display technology and specifications.

  • Display Technology and Clarity: The Galaxy A23 5G features a 6.6-inch PLS LCD display with Full HD+ resolution (1080 x 2408 pixels). This provides clear visuals for everyday content consumption. The Galaxy S25 Ultra boasts a larger 6.9-inch Dynamic LTPO AMOLED 2X display with a Quad HD+ resolution (1440 x 3120 pixels), offering superior sharpness and detail, particularly noticeable with high-resolution media.
  • Brightness and Refresh Rate: Both phones feature a 120Hz refresh rate, contributing to smoother scrolling and more fluid animations. However, the Galaxy S25 Ultra's display can reach a peak brightness of 2600 nits, making it exceptionally visible even in bright outdoor conditions and enhancing HDR content. The A23 5G's LCD panel offers adequate brightness for most indoor and outdoor environments but does not match the S25 Ultra's peak luminosity.
  • Viewing Experience: The S25 Ultra's AMOLED panel delivers deep blacks and vibrant colors, providing a more immersive viewing experience for movies and games. Its anti-glare finish further improves outdoor usability. The A23 5G's LCD screen offers good color reproduction and viewing angles for its class.

Resolution

1080 x 2408

1440x3120

Audiovisual

The camera systems on the Galaxy A23 5G and the Galaxy S25 Ultra are designed for different levels of photographic versatility and image quality.

  • Rear Camera System: The Galaxy A23 5G features a quad-camera setup with a 50MP main sensor that includes Optical Image Stabilization (OIS), a 5MP ultrawide lens, and two 2MP sensors for macro and depth. This setup is capable of capturing good photos in well-lit conditions. The Galaxy S25 Ultra offers a more advanced quad-camera system, including a 200MP main sensor with OIS, a 50MP ultrawide lens, a 10MP telephoto lens with 3x optical zoom, and a 50MP periscope telephoto lens with 5x optical zoom. This configuration provides greater detail, flexibility, and zoom capabilities.
  • Photography Performance: The A23 5G's main camera performs well in bright light, though its ultrawide lens may show distortion and reduced quality at the edges, and low-light performance is more limited. The S25 Ultra excels in various lighting conditions, producing clear, detailed images with excellent dynamic range and advanced low-light processing. Its multiple telephoto lenses allow for high-quality zoomed shots.
  • Video Recording and Front Camera: The A23 5G records video at Full HD (1080p) at 30 frames per second and has an 8MP front camera. The S25 Ultra supports up to 8K video recording at 30fps and 4K at 120fps, offering professional-grade video capabilities. Its 12MP front camera also captures high-quality selfies and supports 4K video recording.

Miscellaneous

Beyond core performance and display, several practical elements differentiate the user experience between these two Samsung devices.

  • Connectivity and Ports: Both phones support 5G connectivity. The Galaxy A23 5G includes Wi-Fi 5 (802.11ac) and Bluetooth 5.1, along with a 3.5mm headphone jack and a USB Type-C 2.0 port. The Galaxy S25 Ultra features more advanced connectivity with Wi-Fi 7 and Bluetooth 5.4, and a USB Type-C 3.2 port with DisplayPort support, but it omits the traditional headphone jack.
  • Biometric Security and Additional Features: The A23 5G typically uses a side-mounted fingerprint sensor. The S25 Ultra integrates an ultrasonic in-display fingerprint sensor for secure and convenient unlocking. A key differentiator for the S25 Ultra is the integrated S Pen stylus, offering enhanced productivity for note-taking, drawing, and navigation, though its Bluetooth functionality has been removed in this iteration.
  • Build and Handling: The Galaxy A23 5G has dimensions of 165.4 x 76.9 x 8.4 mm and weighs around 195-199g, offering a comfortable grip for its screen size. The Galaxy S25 Ultra is slightly more compact despite its larger screen, measuring 162.8 x 77.6 x 8.2 mm and weighing 218g, featuring a premium titanium frame and glass construction.

Weight

197 oz

218 oz

Screen size (in)

6.6

6.9

Network

5G

5G

SIM card

Physical SIM

Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

User feedback for the Samsung Galaxy A23 5G often praises its reliable battery life and smooth 120Hz display, particularly considering its accessible positioning. Some users note that while its main camera performs well in good lighting, the auxiliary lenses and video capabilities are more basic. The phone is generally seen as a solid option for everyday use without demanding tasks.

The Samsung Galaxy S25 Ultra receives high acclaim for its exceptional display quality, with vibrant colors, high brightness, and an effective anti-glare finish making it a standout feature. Its powerful performance is consistently highlighted, handling all applications and games with ease. While its camera system is generally lauded for versatility and zoom, some users have found its real-life photography, especially with moving subjects, can be inconsistent. There's also discussion around its battery life, which, while strong, doesn't always surpass some rivals with larger capacities.

Users prioritizing a long-lasting device for essential communication, media consumption, and light productivity will find the Galaxy A23 5G well-suited to their needs. It offers a balanced experience for those seeking reliability without the most advanced features. Conversely, users who demand top-tier performance for gaming, professional-grade photography and videography, and a highly immersive display experience will lean towards the Galaxy S25 Ultra. Its extended software support also makes it a compelling choice for those seeking maximum longevity from their device. Both models are available as quality-assured refurbished options, providing an eco-friendly alternative for consumers.

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