Galaxy S25 Vs Galaxy Z Fold4

Galaxy S25
Galaxy S25
Starting at

Refurbished price:£435.00

Versus £766.13 new

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Galaxy Z Fold4
Galaxy Z Fold4
Starting at

Refurbished price:£352.00

Versus £1,889.00 new

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Ratings

The Samsung Galaxy S25, released in February 2025, represents Samsung's traditional flagship smartphone offering, focusing on a conventional form factor with advanced internal components. In contrast, the Samsung Galaxy Z Fold4, launched in August 2022, provides a unique foldable design that transforms a standard smartphone into a larger tablet-like experience. While both devices operate on the Android platform, their fundamental designs cater to different user preferences and usage scenarios, with the S25 featuring a more recent operating system out of the box.

Scores

Durability

The expected practical lifespan of a smartphone is influenced by its release timeline, software support, and physical durability.

  • Release Timeline: The Galaxy S25 was released in February 2025, making it a more recent device compared to the Galaxy Z Fold4, which launched in August 2022. This difference in release dates means the S25 benefits from newer hardware and software at its introduction.
  • OS Support Duration: The Galaxy S25 is designed to receive seven generations of Android OS upgrades and seven years of security updates, starting with Android 15. The Galaxy Z Fold4, initially running Android 12L, is promised four major Android OS upgrades (up to Android 16) and five years of security updates, with One UI 7 (Android 15) having rolled out in May 2025. This extended support for the S25 offers a longer period of up-to-date software and security.
  • Physical Durability: The Galaxy S25 features a glass front and back with Gorilla Glass Victus 2 protection and an aluminum frame, along with an IP68 rating for dust and water resistance. The Galaxy Z Fold4 incorporates an Armor Aluminum frame and Gorilla Glass Victus+ on its cover screen and back, offering IPX8 water resistance. The foldable nature of the Z Fold4 introduces a different set of durability considerations for its inner display and hinge mechanism compared to the rigid design of the S25.

Year of Release

2025

2022

OS

Android

Android

Foldable

No

Yes

Performance

Performance in both devices is driven by their respective processors, influencing app responsiveness, multitasking capabilities, and overall system fluidity.

  • Processor Capabilities: The Galaxy S25 is powered by the Snapdragon 8 Elite (3 nm) chipset, which is a newer generation processor designed for enhanced efficiency and performance. The Galaxy Z Fold4 features the Qualcomm Snapdragon 8+ Gen 1 processor. The S25's newer processor generally translates to faster app loading, smoother transitions, and more efficient handling of demanding applications and games.
  • Multitasking and Responsiveness: Both devices come with 12 GB of RAM, which supports robust multitasking. However, the Z Fold4's larger internal display is specifically designed to leverage multitasking with multiple apps open simultaneously, offering a distinct user experience for productivity. The S25, with its powerful and efficient processor, provides a highly responsive experience for typical smartphone usage.
  • Battery Behavior: The Galaxy S25 has a 4000 mAh battery. User experiences suggest it can last a full day with mixed usage, with some heavy users reporting more frequent charging. The Galaxy Z Fold4 is equipped with a 4400 mAh battery. Despite its larger, power-hungry foldable screen, reviews indicate that the Z Fold4 generally offers good battery life, often lasting a full day, attributed to the efficiency of its processor and display technology.

Memory (GB)

12 GB

12 GB

Screen quality

The display experience is a primary differentiator between these two Samsung smartphones, owing to their distinct form factors.

  • Display Technology and Size: The Galaxy S25 features a 6.2-inch Dynamic LTPO AMOLED 2X display, offering a traditional smartphone screen experience. The Galaxy Z Fold4 provides a dual-screen setup: a 6.2-inch Dynamic AMOLED 2X cover display for one-handed use and a larger 7.6-inch foldable Dynamic AMOLED 2X main display that unfolds to offer a tablet-like viewing area.
  • Resolution and Clarity: The S25's display has a resolution of 2340 x 1080 pixels (416 ppi). The Z Fold4's cover display has a resolution of 2316 x 904 pixels, while its main foldable display boasts a higher resolution of 2176 x 1812 pixels (QXGA+). Both offer vibrant colors and deep blacks characteristic of AMOLED technology.
  • Refresh Rate and Brightness: Both devices feature a 120 Hz refresh rate on their main displays, providing smooth scrolling and responsive interactions. The S25's display can reach a peak brightness of 2600 nits, offering excellent visibility in bright outdoor conditions. The Z Fold4's displays also offer high brightness levels, with the main display supporting variable refresh rates for power efficiency.

Resolution

1080x2340

1812 x 2176

Screen type

Dynamic LTPO AMOLED 2X

Foldable Dynamic AMOLED 2X

Audiovisual

Both the Galaxy S25 and Galaxy Z Fold4 offer versatile camera systems, though with some differences in their configurations and capabilities.

  • Rear Camera Systems: The Galaxy S25 is equipped with a triple rear camera setup: a 50 MP wide-angle main camera with optical image stabilization (OIS), a 12 MP ultra-wide camera with a 120-degree field of view, and a 10 MP telephoto camera offering 3x optical zoom and OIS. The Galaxy Z Fold4 also features a triple rear camera system, including a 50 MP wide-angle main camera with OIS, a 12 MP ultra-wide camera, and a 10 MP telephoto camera with 3x optical zoom. The S25 benefits from newer sensor technology and AI enhancements.
  • Front-Facing Cameras: For selfies and video calls, the Galaxy S25 has a 12 MP front-facing camera. The Galaxy Z Fold4 offers two front cameras: a 10 MP camera on the cover display and a 4 MP under-display camera on the inner foldable screen. The cover screen camera on the Z Fold4 is generally preferred for quality selfies.
  • Video Recording and Features: Both devices are capable of recording video at up to 8K resolution at 30 frames per second (fps) for the S25 and 8K at 24fps for the Z Fold4. The S25 includes features like Super Steady video and AI-powered editing tools. The Z Fold4's camera system is noted for its ability to use the main display as a large viewfinder and the rear cameras for high-quality selfies when unfolded.

Miscellaneous

Beyond core specifications, several practical elements contribute to the overall user experience of these devices.

  • Connectivity Options: The Galaxy S25 supports Wi-Fi 7 and Bluetooth 5.4, offering the latest in wireless connectivity standards. The Galaxy Z Fold4 supports Wi-Fi 6E and Bluetooth 5.2. Both devices offer 5G cellular connectivity.
  • Port Types and Sensors: Both smartphones utilize a USB-C port for charging and data transfer. The S25 features an ultrasonic in-screen fingerprint sensor. The Z Fold4 incorporates a side-mounted fingerprint sensor. Both include a range of sensors such as accelerometers, gyroscopes, and barometers.
  • Weight, Dimensions, and Handling: The Galaxy S25, with its traditional form factor, measures 146.9 x 70.5 x 7.2 mm and weighs 162 g, making it a compact and lightweight device. The Galaxy Z Fold4, due to its foldable design, is significantly thicker and heavier when folded (155.1 x 67.1 x 15.8-14.2 mm, 263 g) but becomes very thin when unfolded (155.1 x 130.1 x 6.3 mm). This difference impacts one-handed usability and pocketability.

Weight

162 g

263 g

Screen size (in)

6.2

7.6

Mobile network

5G

5G

SIM card

Physical SIM + eSIM

Dual Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

User sentiment for the Galaxy S25 often highlights its refined performance, advanced camera capabilities, and the extended software support, making it a compelling choice for those seeking a modern, high-performance smartphone in a conventional design. Some users have noted mixed experiences with battery life, particularly under heavy usage. The Galaxy Z Fold4 is frequently praised for its innovative foldable design, offering a unique blend of smartphone portability and tablet-like screen real estate for enhanced productivity and media consumption. Its camera system was seen as a significant improvement over its predecessor, and battery life was generally considered good, often lasting a full day.

Users prioritizing a compact, cutting-edge smartphone with the longest possible software support and a traditional form factor will find the Galaxy S25 well-suited to their needs. Its latest processor and camera enhancements cater to those who value raw performance and photography in a familiar package. Conversely, individuals who desire a versatile device that can seamlessly transition between a standard smartphone and a larger screen for multitasking, content consumption, or creative work may lean towards the Galaxy Z Fold4. Its unique design offers a distinct user experience that prioritizes screen real estate and adaptability.

For those considering either device, exploring quality-assured refurbished options can provide an eco-friendly alternative to purchasing new, allowing access to these advanced technologies sustainably.

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