Galaxy S25 • Unlocked vs Galaxy Z Flip4 • Unlocked

The Samsung Galaxy S25, released in early 2025, represents a traditional smartphone design, while the Samsung Galaxy Z Flip4, launched in late 2022, offers a unique foldable clamshell form factor. Both devices operate on the Android platform, but their distinct designs and release timelines lead to notable differences in their capabilities and user experiences. The primary distinction lies in the S25's focus on raw performance and camera versatility within a conventional design, contrasted with the Z Flip4's emphasis on portability and a compact, innovative foldable display.

The longevity of a smartphone is influenced by its release timeline, software support, and physical resilience. The Galaxy S25, being a more recent device, benefits from a longer expected support cycle compared to the Galaxy Z Flip4.

• Release Timeline: The Galaxy S25 was released in February 2025, making it a current-generation device. The Galaxy Z Flip4 was released in August 2022, positioning it as an older model in Samsung's lineup.
• Software Support: Samsung has committed to providing 7 years of operating system and security updates for the Galaxy S25 series, with support extending until around 2032. The Galaxy Z Flip4, having launched with Android 12L, received its last major Android version update with Android 16 and One UI 8 in October 2025, with overall support ending around 2027. This means the S25 offers significantly extended software longevity.
• Physical Durability: The Galaxy S25 features Gorilla Glass Victus 2 on both its front display and rear glass panel, along with an aluminum body and IP68 water and dust resistance, indicating robust protection against environmental elements. The Galaxy Z Flip4 utilizes an ultra-thin glass layer for its foldable main display and has an IPX8 water resistance rating, meaning it can withstand submersion in fresh water but is not dust-resistant. The foldable design introduces specific considerations regarding the internal screen's long-term resilience and the hinge mechanism.

Performance is a key area where the difference in release dates between these two devices becomes apparent, impacting how smoothly they handle demanding applications and multitasking.

• Processing Power: The Galaxy S25 is equipped with a newer, more advanced processor, which translates to faster app loading times, smoother transitions between applications, and more efficient handling of graphically intensive tasks like gaming. The Galaxy Z Flip4 features a processor from 2022, which still provides capable performance for everyday use and most applications, but will not match the raw speed and efficiency of the S25's newer hardware.
• Multitasking and Responsiveness: With 12GB of RAM as standard, the Galaxy S25 offers ample memory for extensive multitasking, allowing users to switch between numerous applications without experiencing slowdowns. The Galaxy Z Flip4 typically comes with 8GB of RAM, which is sufficient for most users' multitasking needs but may show limitations when running a very high number of demanding applications simultaneously compared to the S25.
• Storage Options: Both devices offer various internal storage configurations, typically starting from 128GB and extending to 512GB, with the S25 also offering a 512GB option. Neither device supports expandable storage via microSD cards.

The display experience is a major differentiator, with the Galaxy S25 offering a traditional, expansive screen and the Galaxy Z Flip4 providing a unique foldable panel with a secondary external display.

• Display Technology and Size: The Galaxy S25 features a 6.2-inch Dynamic LTPO AMOLED 2X display, providing a large, uninterrupted viewing area. The Galaxy Z Flip4's main display is a 6.7-inch Foldable Dynamic AMOLED 2X panel, which folds in half, and it also includes a smaller 1.9-inch Super AMOLED cover screen for quick interactions when folded.
• Resolution and Brightness: The S25's display offers a resolution of 2340x1080 pixels and can reach a peak brightness of up to 2600 nits, ensuring clear visuals and good visibility even in bright outdoor conditions. The Z Flip4's main display has a resolution of 1080x2640 pixels and a peak brightness of 1200 nits, which is bright enough for most environments but less luminous than the S25.
• Refresh Rate and Viewing Experience: Both devices feature a 120Hz refresh rate, contributing to smooth scrolling and fluid animations. The Z Flip4's foldable screen has a visible crease in the middle, which can be noticeable during use, while the S25 offers a completely flat and uniform viewing surface. The Z Flip4's taller and narrower aspect ratio (22:9) can be beneficial for media consumption and split-screen multitasking.

Camera capabilities vary significantly between these two models, with the newer Galaxy S25 offering a more comprehensive and advanced system for photography and videography.

• Rear Camera Systems: The Galaxy S25 is equipped with a versatile triple-camera setup, including a 50MP wide-angle main sensor, a 12MP ultrawide sensor, and a 10MP telephoto lens capable of 3x optical zoom. This configuration provides flexibility for various shooting scenarios, including distant subjects. The Galaxy Z Flip4 features a dual-camera system on the rear, consisting of a 12MP wide-angle camera with optical image stabilization and a 12MP ultrawide camera. It lacks a dedicated telephoto lens.
• Low-Light Performance and Features: The S25, with its newer sensors and advanced image processing, is expected to deliver superior low-light photography with better detail and reduced noise. It also includes advanced AI-driven camera features for enhanced image quality. The Z Flip4 offers an improved night mode compared to its predecessor, and its main camera has a brighter sensor for better low-light capture, but it generally performs less effectively in very dim conditions than the S25.
• Video Recording and Unique Capabilities: Both devices support high-resolution video recording. The S25 offers advanced video features, including dual recording and log format video for professional-grade editing. The Z Flip4 leverages its foldable design with 'Flex Mode,' allowing users to partially fold the phone to act as its own tripod for hands-free photos and videos, and to use the main cameras for high-quality selfies via the cover screen.