Galaxy S25 Ultra Vs Galaxy Z Flip6

Galaxy S25 Ultra
Galaxy S25 Ultra
Starting at

Refurbished price:735.00

Versus €1,408.78 new

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Galaxy Z Flip6
Galaxy Z Flip6
Starting at

Refurbished price:415.00

Versus €1,199.99 new

See options

Ratings

The Samsung Galaxy S25 Ultra, released in early 2025, represents a traditional flagship smartphone experience, emphasizing high-end performance and an advanced camera system. In contrast, the Samsung Galaxy Z Flip6, launched in mid-2024, offers a unique foldable clamshell design, prioritizing portability and a distinct user interaction. These devices cater to different user preferences, with the S25 Ultra focusing on raw power and expansive features, while the Z Flip6 highlights a compact form factor and innovative usage modes.

Scores

Durability

The practical lifespan of a smartphone is influenced by its physical resilience and the duration of software support it receives. Both devices benefit from Samsung's commitment to extended updates, though their release timelines create a slight difference in their overall support window.

  • Release Timeline: The Galaxy S25 Ultra was released in February 2025, while the Galaxy Z Flip6 became available in July 2024. This means the S25 Ultra will inherently receive software updates for approximately six to seven months longer than the Z Flip6.
  • OS Support Duration: Both models are promised seven years of Android OS and security updates from their respective release dates. The S25 Ultra launched with Android 15 and One UI 7, while the Z Flip6 launched with Android 14 and One UI 6.1, with an upgrade path to Android 15 and One UI 7.
  • Physical Durability: The Galaxy S25 Ultra features Corning Gorilla Armor 2 on its display and back, along with a titanium frame, contributing to its robust build and IP68 dust and water resistance. The Galaxy Z Flip6, while featuring Gorilla Glass Victus 2 on its cover screen and an enhanced armored aluminum frame, has a foldable inner display protected by Ultra Thin Glass, which is more susceptible to scratches. It carries an IP48 rating, offering water and some dust resistance.

Year of Release

2025

2024

Compatible with latest Update

Yes

Yes

OS

Android

Android

Foldable

No

Yes

Performance

Performance in both devices is driven by current-generation processors, but their release schedules mean the S25 Ultra benefits from a slightly newer chip, impacting raw processing power and efficiency.

  • Processing Capabilities: The Galaxy S25 Ultra is equipped with the Qualcomm Snapdragon 8 Elite processor, offering enhanced CPU, GPU, and AI performance, making it well-suited for demanding applications, intensive gaming, and complex multitasking. The Galaxy Z Flip6 utilizes the Qualcomm Snapdragon 8 Gen 3 for Galaxy, which provides strong performance for everyday tasks, gaming, and foldable-specific features like Flex Mode.
  • Multitasking and Storage: The S25 Ultra typically comes with 12GB of RAM in most regions, with some offering 16GB, paired with storage options up to 1TB. The Z Flip6 offers 8GB or 12GB of RAM and up to 512GB of internal storage. Both devices use fast internal storage, ensuring quick app loading and data access.
  • Battery Behavior: The Galaxy S25 Ultra, with its larger battery capacity, generally offers extended usage times, often lasting over a full day even with heavy use. The Galaxy Z Flip6, despite having an improved battery compared to its predecessors, provides a more average battery life, typically requiring a charge by the end of a day with moderate to heavy usage.

Memory (GB)

12 GB

12 GB

Screen quality

The display experience differs significantly between these two devices, primarily due to their distinct form factors and intended use cases.

  • Display Technology and Clarity: The Galaxy S25 Ultra features a large 6.9-inch Dynamic LTPO AMOLED 2X display with a high resolution of 1440x3120 pixels, providing exceptional clarity and vibrant colors. The Galaxy Z Flip6 has a 6.7-inch foldable Dynamic AMOLED 2X main display with a 1080x2640 pixel resolution, and a 3.4-inch Super AMOLED cover screen for quick interactions when folded.
  • Brightness and Refresh Rate: Both devices offer a 120Hz adaptive refresh rate on their main displays, ensuring smooth scrolling and responsive interactions. They also boast high peak brightness levels, making them suitable for outdoor visibility. The Z Flip6's cover screen operates at a 60Hz refresh rate.
  • Viewing Experience: The S25 Ultra provides an expansive, uninterrupted viewing area ideal for media consumption and productivity. The Z Flip6's foldable screen offers a unique experience, allowing for a compact form factor when closed and a full-sized display when unfolded, with a less noticeable crease compared to previous generations.

Resolution

1080 x 2340 pixels

1080 x 2640

Audiovisual

The camera systems on the Galaxy S25 Ultra and Galaxy Z Flip6 are designed for different photographic priorities, with the Ultra model offering greater versatility and advanced features.

  • Rear Camera Systems: The Galaxy S25 Ultra boasts a quad-camera setup, including a 200MP wide-angle lens, a 50MP ultrawide lens, a 10MP telephoto lens with 3x optical zoom, and a 50MP periscope telephoto lens with 5x optical zoom. This configuration allows for a wide range of photographic scenarios, from expansive landscapes to distant subjects. The Galaxy Z Flip6 features a dual-camera system with a 50MP wide-angle lens and a 12MP ultrawide lens, providing solid performance for everyday photography.
  • Photography Performance: The S25 Ultra excels in detail capture, low-light performance, and zoom capabilities, supported by advanced AI features for image processing. The Z Flip6 offers good image quality in well-lit conditions, with improvements in its main sensor over its predecessor. Its unique FlexCam feature allows for creative angles and hands-free photography using the cover screen.
  • Video Recording: The S25 Ultra supports video recording up to 8K resolution at 30 frames per second across multiple lenses, with enhanced stabilization and 10-bit HDR video capture. The Z Flip6 can record video at up to 4K resolution at 60 frames per second.

Front camera

8K@24/30fps

10 megapixels

Miscellaneous

Beyond core specifications, several practical elements differentiate the user experience between these two Samsung smartphones.

  • Connectivity and Ports: Both devices support modern connectivity standards, including 5G, Wi-Fi 7, and Bluetooth 5.3 or newer. They both feature a USB-C port for charging and data transfer. Neither device includes a traditional 3.5mm headphone jack.
  • Biometric Security: The Galaxy S25 Ultra incorporates an under-display fingerprint sensor for secure unlocking. The Galaxy Z Flip6 utilizes a side-mounted fingerprint sensor integrated into the power button. Both also offer face recognition.
  • Design and Handling: The S25 Ultra is a larger, heavier device at 162.8 x 77.6 x 8.2 mm and 218g, offering a substantial feel and a large display for immersive use. The Z Flip6, when folded, is significantly more compact and portable, measuring 71.9 x 165.1 x 6.9 mm (unfolded) and weighing 187g, making it easier to carry in smaller pockets. The S25 Ultra also features S Pen support for enhanced productivity.

Weight

2 g

187 g

Screen size (in)

6.9

6.7

Network

5G

5G

SIM card

Physical SIM + eSIM

Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

User feedback for the Galaxy S25 Ultra frequently praises its exceptional camera system, powerful performance, and vibrant, expansive display. Many users appreciate the long battery life and the versatility offered by the integrated S Pen, making it a preferred choice for power users, content creators, and those who prioritize a top-tier mobile photography experience. Criticisms sometimes point to its large size and weight, which can make one-handed use challenging for some individuals.

The Galaxy Z Flip6 is often lauded for its unique, compact foldable design, which appeals to users seeking a stylish and portable device. Its Flex Mode functionality is a common highlight, enabling hands-free usage for photography and video calls. However, some users note that while its camera is improved, it doesn't match the versatility of traditional flagships, and its battery life, though better than previous Flip models, may still require more frequent charging for heavy users.

Users prioritizing an uncompromised, high-performance smartphone with a leading camera and extensive screen real estate may find the Galaxy S25 Ultra better suited to their needs. Conversely, individuals who value portability, a distinctive design, and innovative interaction methods, such as those offered by a foldable form factor, might lean towards the Galaxy Z Flip6. Both devices represent excellent choices within their respective categories, and considering a quality-assured refurbished option can be an eco-friendly alternative for either model.

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