Galaxy A35 Vs Galaxy S25 Ultra

Galaxy A35
Galaxy A35
Starting at

Refurbished price:£119.00

Versus £367.31 new

See options
Galaxy S25 Ultra
Galaxy S25 Ultra
Starting at

Refurbished price:£654.00

Versus £1,249.00 new

See options

Ratings

The Samsung Galaxy A35, released in March 2024, and the Samsung Galaxy S25 Ultra, launched in February 2025, represent distinct segments within Samsung's smartphone lineup. The A35 is positioned as a capable mid-range device, offering a balanced experience for everyday use, while the S25 Ultra stands as a premium flagship, designed for users demanding top-tier performance, advanced camera capabilities, and a comprehensive feature set. Both devices run on the Android operating system, with the A35 launching with Android 14 and the S25 Ultra with Android 15.

Scores

Durability

The practical lifespan of these devices differs primarily due to their release timelines and software support policies.

  • Software Updates: The Galaxy A35 is expected to receive four major Android OS updates and five years of security updates, extending its software relevance until approximately 2029. The Galaxy S25 Ultra, being a 2025 flagship, benefits from Samsung's extended support, likely offering seven years of OS and security updates, ensuring software longevity well into the 2030s.
  • Build Durability: The A35 features a glass front and back protected by Gorilla Glass Victus+ and an IP67 rating for dust and water resistance. The S25 Ultra, however, boasts a more robust construction, typically including a titanium frame, advanced Gorilla Armor 2 glass, and an IP68 rating, offering superior protection against drops and water immersion.
  • Repairability: The Galaxy A35 has a repairability score of 8.4 out of 10, indicating good accessibility for repairs. The Galaxy S25 Ultra received a provisional iFixit repairability score of 5 out of 10, which is considered a significant improvement for a Samsung flagship, though still indicating some challenges in repair.

Year of Release

2024

2025

Compatible with latest Update

Yes

Yes

OS

Android

Android

Foldable

No

No

Performance

Performance differences between these two models are significant, reflecting their respective market segments and intended use cases.

  • Processing Power: The Galaxy A35 handles daily tasks, social media, and moderate gaming smoothly, providing a responsive experience for most users. However, some users have reported occasional slowdowns and the device getting warm during regular use. The Galaxy S25 Ultra, equipped with a current-generation flagship processor, delivers exceptional speed and efficiency, excelling in demanding applications, intensive multitasking, and high-fidelity gaming without noticeable slowdowns.
  • Memory and Storage: The A35 typically comes with 6GB or 8GB of RAM, which is sufficient for running several apps concurrently, and offers 128GB or 256GB of internal storage, expandable via a microSD card. The S25 Ultra comes standard with 12GB of RAM (with some regions offering 16GB), providing ample capacity for heavy multitasking, and offers larger internal storage options of 256GB, 512GB, or 1TB without expandable storage.
  • Battery Behavior: Both devices feature a 5000mAh battery. The Galaxy A35 can comfortably last a full day of use, and sometimes up to two days with moderate usage. The S25 Ultra's battery also provides robust all-day power, even with its more demanding components and higher-resolution display. The A35 supports 25W wired charging, while the S25 Ultra offers faster 45W wired charging, along with fast wireless charging and Wireless PowerShare capabilities.

Memory (GB)

6 GB

12 GB

Screen quality

The display experience varies considerably between the A35 and the S25 Ultra, catering to different visual demands.

  • Display Technology and Clarity: The Galaxy A35 features a 6.6-inch Super AMOLED display, offering vibrant colors and deep blacks with a Full HD+ resolution (1080 x 2340 pixels), which is sharp for everyday viewing. The Galaxy S25 Ultra sports a larger 6.9-inch Dynamic LTPO AMOLED 2X display with a higher QHD+ resolution (3120 x 1440 pixels), providing superior detail and clarity, particularly noticeable when viewing high-resolution content or fine text.
  • Brightness and Refresh Rate: Both phones offer a smooth 120Hz refresh rate for fluid scrolling and animations. The A35 reaches up to 1000 nits in High Brightness Mode, ensuring clear outdoor visibility. The S25 Ultra, however, can achieve up to 2600 nits peak brightness and features an adaptive refresh rate that can scale down to 1Hz, optimizing power efficiency.
  • Viewing Experience: The S25 Ultra's display also includes an anti-reflective coating, which further enhances visibility in bright conditions and reduces glare. Its larger size and higher resolution contribute to a more immersive viewing experience for media consumption and detailed work.

Resolution

1080 x 2340

1440x3120

Audiovisual

The camera systems on these two devices are designed for different levels of photographic ambition and capability.

  • Rear Camera System: The Galaxy A35 features a triple rear camera setup with a 50MP main sensor (with optical image stabilization), an 8MP ultrawide lens, and a 5MP macro lens. It performs well in daylight conditions, but its low-light performance is noted as needing improvement. The Galaxy S25 Ultra boasts a quad-camera array, 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 system delivers excellent detail in daylight, strong zoom capabilities, and very good performance in low-light scenarios.
  • Front Camera and Video: For selfies, the A35 has a 13MP front camera, while the S25 Ultra features a 12MP front camera. Both devices can record video up to 4K at 30 frames per second (fps) with their front and rear cameras. The S25 Ultra, however, offers more advanced video recording features, including resolutions up to 8K at 30fps, enhanced stabilization, and professional-grade controls, making it suitable for more demanding videography.
  • Audio Quality: The S25 Ultra typically features superior microphone quality for recording and clearer, more robust stereo speakers for media playback compared to the A35.

Front camera

13 megapixels

12

Miscellaneous

Beyond core performance and display, several practical elements differentiate these two Samsung smartphones.

  • Connectivity and Ports: Both devices support 5G connectivity. The Galaxy A35 supports Wi-Fi 802.11ac and Bluetooth 5.3. The Galaxy S25 Ultra offers more advanced connectivity with Wi-Fi 7 and Bluetooth 5.4. Both utilize a USB-C port for charging and data transfer and neither includes a traditional 3.5mm headphone jack.
  • Biometric Security and Stylus: The A35 features an in-display fingerprint sensor for secure unlocking. The S25 Ultra includes an ultrasonic in-screen fingerprint sensor and also supports face recognition. A key differentiator for the S25 Ultra is its integrated S Pen, offering enhanced productivity and creative input capabilities.
  • Physical Design: The Galaxy A35 measures 161.7 x 78 x 8.2mm and weighs 209g, featuring a glass front and back with a plastic frame. The Galaxy S25 Ultra is slightly larger and heavier at 162.8 x 77.6 x 8.2mm and 218g, constructed with a titanium frame and Gorilla Glass Armor 2 for enhanced durability.

Weight

209 g

233 g

Screen size (in)

6.6

6.9

Mobile network

5G

5G

SIM card

Dual Physical SIM

Dual Physical SIM + eSIM

Carrier compatibility

Unlocked

Unlocked

Connector

USB-C

USB-C

The Samsung Galaxy A35 and Galaxy S25 Ultra cater to distinct user needs, offering different strengths and trade-offs. User feedback for the A35 often praises its vibrant display, reliable performance for its price segment, and impressive battery life that can extend beyond a single day. Common criticisms include its camera performance in low-light conditions, slower charging speeds, and occasional reports of performance inconsistencies.

The Galaxy S25 Ultra is frequently lauded for its top-tier performance, exceptionally versatile camera system, and large, immersive display. Its integrated S Pen is also a significant highlight for productivity-focused users. However, some users note that its updates over previous Ultra models can be incremental, and its larger size and weight may not suit everyone.

Users prioritizing a balanced experience for everyday tasks, a good display, and extended battery life without needing the absolute highest performance or most advanced camera features may find the Galaxy A35 well-suited to their needs. This could include students or general users looking for a dependable device. Conversely, users demanding cutting-edge performance, advanced photography and videography capabilities, a large and immersive display, and productivity features like the S Pen will likely lean towards the Galaxy S25 Ultra. This device is often preferred by professionals, power users, and content creators.

For those considering either model, exploring quality-assured refurbished options can provide an eco-friendly alternative to purchasing new, allowing access to these devices while making a sustainable choice.

See all articles

Our recent comparisons