SMARTPHONE TIER: FLAGSHIP/PRO TIER
Battery Capacity mAh: 4000
Samsung Galaxy S25: A Compact Flagship That Maximises Efficiency
SMARTPHONE BATTERY PERFORMANCE
Based on Price: Flagship/Pro Tier (€700+)
Flagship/Pro Tier Ranking #12
Learn more:
Video Review - Soon Available
Quick Summary
The Samsung Galaxy S25 is a premium flagship that refines the Galaxy experience, offering cutting-edge performance, AI-driven software enhancements, and a compact, durable design. Combining powerful hardware with an intelligent software ecosystem, it sets a new standard for small yet capable smartphones.
The 6.2-inch Dynamic LTPO AMOLED 2X display brings stunning colors, deep contrasts, and exceptional brightness, making it one of the best screens in its category. With a 1080x2340 resolution and 416 pixels per inch, it delivers crisp detail, while the 120Hz adaptive refresh rate ensures ultra-smooth scrolling and interactions. HDR10+ support enhances contrast and color accuracy, creating an immersive experience for streaming and gaming. The peak brightness of 2600 nits guarantees excellent outdoor visibility even under direct sunlight. The Always-On Display feature adds convenience by showing essential information at a glance.
Powering the Galaxy S25 is the Qualcomm Snapdragon 8 Elite processor, built on a cutting-edge 3nm architecture for superior performance and efficiency. The octa-core CPU, featuring two high-performance Oryon V2 Phoenix L cores clocked at 4.47 GHz and six Oryon V2 Phoenix M cores at 3.53 GHz, ensures blazing-fast multitasking and seamless gaming. The Adreno 830 GPU enhances graphics performance, delivering smooth gameplay and efficient power consumption. The device is equipped with 12GB of LPDDR5X RAM and UFS 4.0 storage options ranging from 128GB to 512GB, providing ample space and lightning-fast data speeds.
Samsung continues to refine its triple-camera system, delivering sharp, detailed, and stabilized shots in all conditions. The 50-megapixel main sensor, with an f/1.8 aperture and optical image stabilization, captures stunning images with great dynamic range and low-light performance. The 10-megapixel telephoto camera with 3x optical zoom ensures high-quality close-ups and portraits, while the 12-megapixel ultra-wide lens with a 120-degree field of view is perfect for capturing expansive landscapes and group shots. The Galaxy S25 supports 8K video recording at 24 and 30 frames per second, as well as 4K at 60 frames per second, ensuring cinema-quality footage. Video stabilization is enhanced with gyro-EIS and HDR10+ for smooth, detailed recordings. The 12-megapixel front camera with dual-pixel autofocus captures high-quality selfies and supports 4K video recording at 60 frames per second, making it an excellent choice for content creators and video calls.
Despite its compact size, the Galaxy S25 houses a 4000mAh battery, optimized for all-day endurance. The device supports 25W wired charging via USB Power Delivery 3.0, reaching 50 percent in just 30 minutes. It also offers 15W Qi2.1 wireless charging, allowing for convenient cable-free power-ups, along with 4.5W reverse wireless charging, perfect for topping up accessories like Galaxy Buds or a smartwatch.
The Galaxy S25 features a premium and durable design, with Gorilla Glass Victus 2 on both the front and back, ensuring resistance against scratches and minor impacts. Its Armor Aluminum 2 frame adds robustness while keeping the device lightweight at just 162 grams. It is IP68-certified for water and dust resistance, capable of withstanding immersion in water up to 1.5 meters deep for 30 minutes. The device is available in Icy Blue, Mint, Navy, and Silver Shadow, offering a sleek and modern aesthetic.
Running One UI 7 on Android 15, the Galaxy S25 is designed for efficiency, AI-powered interactions, and seamless user experience. Samsung guarantees seven years of OS and security updates, ensuring longevity and sustained performance over time. The device also features Samsung DeX and Wireless DeX, transforming the smartphone into a desktop-like workstation when connected to a monitor or TV.
The Galaxy S25 offers top-tier connectivity options, including 5G with eSIM support, Wi-Fi 7 for next-generation speeds, Bluetooth 5.4 for stable wireless connections, and NFC for seamless mobile payments and device pairing. The in-display ultrasonic fingerprint sensor provides fast and secure authentication, enhancing privacy and accessibility.
| Cons |
|
|
|
|
|
|
|
|
|
|
|
|
ViserMark Labels for the Samsung Galaxy S25
Please take a look at the following information about the battery performance of the Samsung Galaxy S25:
Battery Life: The Samsung Galaxy S25 delivers 35 hours of total usage, which translates to approximately 1.5 days of battery life under normal use. While respectable, this is slightly lower than some competitors in the flagship tier, making mid-day charging necessary for power users.
Battery Charging: While Samsung claims the Galaxy S25 can reach 50% in 30 minutes with its 25W wired charging, real-world tests showed slightly slower charging times. In testing, a full charge took 1 hour and 19 minutes, meaning the device doesn't reach 100% in just one hour as expected.
Battery Performance & Efficiency: The Galaxy S25 scores 41/100 in battery performance, reflecting balanced efficiency but room for improvement in endurance under heavy workloads. The annual energy consumption is 3.7 kWh, meaning the device consumes more power than some of its rivals, but remains within the expected range for flagship devices.
Specification Overview - Released Date: February 2025
Body & Build:
Dimensions: 146.9 x 70.5 x 7.2 mm
Weight: 162g
Materials: Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame.
Durability: IP68-rated (dust and water resistance up to 1.5m for 30 minutes).
Design: Armor Aluminum 2 for enhanced durability
Display:
Size: 6.2-inch Dynamic LTPO AMOLED 2X
Resolution: 2340 x 1080 pixels (FHD+) 416 ppi
Refresh Rate: 120Hz adaptive for smooth scrolling and power efficiency
Brightness: Peak brightness of 2600 nits for excellent outdoor visibility
HDR Support: HDR10+ compatibility for vivid contrast and enhanced color accuracy
Always-on Display: Yes
Operating System: Android 15 with One UI 7
Software Support: Up to 7 major Android updates, making it one of the longest-supported smartphones on the market
Chipset & Performance:
Processor: Qualcomm Snapdragon 8 Gen 3 for Galaxy (US/China) / Exynos 2400 (International)
CPU: Octa-core (2x 4.47 GHz Oryon V2 Phoenix L + 6x 3.53 GHz Oryon V2 Phoenix M)
GPU: Adreno 830 for high-performance gaming and graphics
Memory & Storage:
Configurations:
128GB UFS 4.0 + 12GB RAM
256GB UFS 4.0 + 12GB RAM
512GB UFS 4.0 + 12GB RAM
UFS 4.0 for faster read/write speeds
Expandable Storage: No microSD card slot
Connectivity & Features:
Network: 5G-ready (Sub6 FDD & TDD, SDL support) with Dual SIM (Nano-SIM + eSIM / Dual eSIM support)
Wi-Fi: Wi-Fi 7 (EHT320, MIMO, 4096-QAM) for ultra-fast speeds
Bluetooth: 5.4 with improved energy efficiency
NFC: Yes (availability varies by region)
USB Port: USB Type-C 3.2 Gen 1
Samsung DeX: Supports both wired and wireless desktop experience
Fingerprint Sensor: Ultrasonic under-display for fast and secure unlocking
Audio: Stereo speakers with Dolby Atmos
Location Services: GPS, Glonass, Beidou, Galileo, QZSS
Camera System:
Rear Cameras (Triple-lens Setup)
50MP Main (f/1.8, 24mm, OIS, Dual Pixel PDAF) – Delivers excellent detail, dynamic range, and low-light performance
10MP Telephoto (f/2.4, 67mm, 3x optical zoom, OIS, PDAF) – Sharp zoomed-in shots without loss of detail
12MP Ultrawide (f/2.2, 120° FOV, Super Steady video, 1.4µm) – Ideal for landscapes and group photos
Video Capabilities
Rear Video Recording: 8K @ 24/30fps, 4K @ 30/60fps, 1080p @ 30/60/240fps, HDR10+, gyro-EIS
Front Video Recording: 4K @ 30/60fps, 1080p @ 30fps
Front Camera
12MP (f/2.2, Dual Pixel PDAF, 1/3.2”) – Delivers high-quality selfies and sharp video calls
Colours Available: Navy, Icy Blue, Silver Shadow, Mint.
Performance - HOW WE TEST
ViserMark offers a comprehensive range of battery performance test results based on different criteria and benchmarks for evaluating a smartphone's performance. Our tests are performed using the strictest protocol in a controlled environment to ensure repetition and consistency powered by SmartViser's test automation solution viSer.
VWS Analytics Studio is a complementary product to the viSer Test Automation solution. It enhances the viSer user experience and is the fastest way to analyse and view smartphone test results.
We have used the interactive dashboard to show you the recent test results and translated them into ViserMark Labels.
Join our readers to receive the latest update to our smartphone battery performance scores and performance reviews as soon as we finish testing!
Smartphone Battery Performance - FULL TEST RESULTS AND REVIEW
ViserMark has put the Samsung Galaxy S25 through our testing protocol, based on real smartphone usage from 100% battery level down to power off. This includes daily activities, such as calls, web, video and music streaming, gaming, social networks, picture and video capture, and standby. All activities are executed in a defined order and timeline.
These test results, show how the Samsung Galaxy S25 performed and the scores achieved.
1. Battery Performance
The Samsung Galaxy S25 achieved a battery performance score of 41/100 in ViserMark testing, positioning it slightly behind the Samsung Galaxy S24 (42/100) and Samsung Galaxy S24 FE (42/100) but close to the Flagship/Pro Tier average (41.64/100). While it does not lead the category in battery efficiency, it delivers a balanced experience for everyday use.
Beyond endurance, the Galaxy S25’s charging efficiency presents a mixed experience. While Samsung advertises 25W wired charging, real-world tests show that the device reaches 50% in 30 minutes but takes approximately 1 hour and 19 minutes to reach full charge—slower than many of its high-end competitors. Additionally, it supports 15W wireless charging and 4.5W reverse wireless charging, offering flexibility but falling short of the ultra-fast charging speeds seen in rival flagship devices.
This combination of moderate battery life, average charging speeds, and flexible charging options makes the Samsung Galaxy S25 a solid choice for users within the Samsung ecosystem. However, those prioritising faster charging and extended battery endurance may find other flagship alternatives more appealing.
2. Battery Life
In ViserMark's battery life testing, the Samsung Galaxy S25 delivered 35 hours of continuous usage, translating to approximately 1.5 days of real-world use. While this ensures a full day of moderate to heavy activity without frequent recharges, it falls slightly behind some competing flagship devices with larger battery capacities.
Despite having the same battery size as the Samsung Galaxy S24 (4,000mAh) and a smaller capacity compared to the Samsung Galaxy S24 FE (4,700mAh), the Galaxy S25 still manages to hold its own, thanks to Samsung's optimised power management and efficient Snapdragon 8 Gen 3 chipset.
The Samsung Galaxy S25 still delivers a balanced power experience, offering reliable all-day battery life with intelligent power management, while benefiting from a compact and lightweight form factor. For users who prioritise efficiency over raw battery capacity, the Galaxy S25 remains a compelling choice within the premium smartphone segment.
The Samsung Galaxy S25 and Samsung Galaxy S24 FE were analysed for battery consumption across various daily tasks using SmartViser's viSer and VWS Analytics Studio. The comparison highlighted differences in power usage for activities such as social media, calls, gaming, camera, and web browsing.
Notably, the Galaxy S25 consumes less power in social media, calls, gaming, camera usage, media player, and web browsing, making it a more efficient choice for users who engage in multimedia creation and high-performance tasks. However, the Galaxy S24 FE shows lower power consumption in download/uploads, YouTube, and email, which may make it slightly better for users who spend more time streaming videos and handling cloud-based tasks.
Despite having a smaller 4,000mAh battery compared to the S24 FE’s 4,700mAh, the Galaxy S25 maintains strong battery performance thanks to its Snapdragon 8 Gen 3 chipset and improved power efficiency optimisations. This allows it to compete closely with the S24 FE in endurance while offering superior efficiency in high-performance activities.
Ultimately, users who prioritise gaming, photography, and media playback may prefer the Galaxy S25, while those who focus more on video streaming and cloud-based productivity might find the S24 FE a slightly better fit.
The battery performance comparison between the Samsung Galaxy S25 and Samsung Galaxy S24 highlights notable differences in power consumption across various everyday activities, offering insights into which device is more efficient depending on the user’s habits.
The Samsung Galaxy S24 consumes less power in social media browsing and outgoing calls compared to the Galaxy S25. This suggests that the S24 is better optimised for background-intensive communication tasks, making it a stronger choice for users who frequently engage in social media and voice calls.
For video streaming (YouTube) and downloading/uploading, the Samsung Galaxy S25 has higher power consumption than the Galaxy S24. This could be attributed to its more powerful Snapdragon 8 Gen 3 chipset and display enhancements, which demand more energy during high-resolution content processing.
For gaming, while the S25 has lower power consumption compared to the S24, the impact of its display features—such as refresh rate and brightness—should also be considered. The S25’s LTPO Dynamic AMOLED 2X display with 120Hz refresh rate ensures smoother visuals, but depending on brightness settings and gaming graphics intensity, power consumption can fluctuate. The S25 remains a more efficient gaming option overall, but prolonged gameplay sessions at higher brightness and refresh rates could lead to increased battery drain compared to standard settings.
When it comes to email management, the Galaxy S25 consumes more battery compared to the S24, meaning the S24 is more efficient for professionals or users who frequently check and send emails. For web browsing, both devices have nearly equal power consumption, with the S25 consuming slightly more energy. The difference is marginal, meaning users won’t notice a major impact in daily usage.
For photography and camera usage, the Galaxy S24 is more battery-efficient than the S24, meaning it consumes less power when capturing photos and recording videos. This makes the S25 a better option for users who frequently use their cameras. However, for media playback (watching videos and listening to music), the Galaxy S24 is more power-efficient, consuming less battery than the S25. This suggests that users who prioritise long hours of video streaming or music playback might find the S24 a better fit in terms of battery life.
The battery performance comparison between the Samsung Galaxy S25, Samsung Galaxy S24 FE, Samsung Galaxy S24, and Flagship/Pro Tier devices highlights significant differences in power efficiency across various everyday tasks. This analysis provides valuable insights into which smartphone delivers the best power management for different usage scenarios.
Here's an overview of the findings:
Social Media & Communication:
The Samsung Galaxy S24 FE exhibits the highest power consumption in social media usage and outgoing calls, making it the least efficient for users who frequently browse social media or make voice calls.
The Samsung Galaxy S25 consumes significantly less power in these tasks, making it a more power-conscious choice for communication-heavy users.
The Samsung Galaxy S24 is the most efficient in this category, with the lowest power draw.
Gaming & Multimedia:
Productivity & Web Browsing:
Camera & Media Playback:
The Samsung Galaxy S25 is the most efficient for photography and video recording, consuming less power during camera use compared to the S24 FE and S24.
However, for media playback, the Galaxy S24 is the best choice, consuming the least power, followed by the S25, with the S24 FE consuming the most battery.
In ViserMark's battery efficiency testing, the Samsung Galaxy S25 was awarded a 1-leaf rating, indicating moderate power efficiency. This rating suggests that while the S25 delivers solid performance, it does not lead in energy conservation compared to some competitors.
The S25 shares the same 1-leaf rating with the Samsung Galaxy S24 and S24 FE, meaning all three devices offer a similar balance between performance and power consumption. Despite its more advanced Snapdragon 8 Gen 3 chipset, the S25 does not achieve a higher efficiency score, suggesting that its improvements in power management are balanced out by increased performance demands.
While the battery efficiency rating is not the highest, the Galaxy S25 still ensures a strong overall experience, with smooth multitasking, efficient gaming, and high-quality media playback. However, users who prioritise battery longevity over high performance may need to recharge more frequently compared to other energy-efficient alternatives.
The ViserMark label indicates that the Samsung Galaxy S25 has an estimated annual energy consumption of 3.7 kWh, making it one of the more efficient flagship devices in terms of power usage.
Compared to its competitors, the Galaxy S25 is more energy-efficient than the Samsung Galaxy S24 FE, which has a higher annual consumption of 4.1 kWh, indicating that the S24 FE may require more frequent recharges over a year. Meanwhile, the Samsung Galaxy S24 consumes slightly more energy than the S25 at 3.8 kWh, while the flagship/pro-tier category average sits at 3.77 kWh, placing the S25 just below the segment average in efficiency.
This data highlights that the Galaxy S25 offers an optimal balance between high performance and power efficiency, ensuring a competitive energy footprint while still delivering flagship-grade features.
Who Should Buy the Samsung Galaxy S25?
Introducing the Samsung Galaxy S25, perfect for various user profiles:
Social Media & Communication-Heavy Users: For users who spend a significant amount of time on social media and making calls, the Samsung Galaxy S25 is a more efficient choice than the Galaxy S24 FE. It consumes less power when browsing, posting, and messaging across platforms, allowing longer usage without excessive battery drain. The compact and lightweight design also makes it easy to use one-handed, and the super-bright 2600-nit AMOLED display ensures great visibility even in direct sunlight. If you rely on your phone for constant connectivity and high-quality video calls, the 12MP front camera with 4K video support makes the experience even better.
Power Users Who Prioritize Performance: If you want a powerful and fast phone for multitasking, productivity, and gaming, the Snapdragon 8 Gen 3 chipset inside the Galaxy S25 offers cutting-edge performance. Apps launch quickly, gaming is smooth, and Samsung’s AI-powered One UI 7 optimisations ensure efficiency. Despite having a smaller 4,000mAh battery compared to competitors, the device remains highly optimised for performance-heavy tasks like gaming and high-resolution content processing.
Photography Enthusiasts Who Want Efficiency: The Samsung Galaxy S25 outperforms the Galaxy S24 in battery efficiency for photography, making it a great option for users who frequently take photos and videos. Its triple-camera system with a 50MP main sensor, 10MP telephoto (3x zoom), and 12MP ultrawide lens ensures high-quality, stabilised shots. The phone also consumes less battery during camera use compared to the S24 FE, making it a stronger choice for mobile photographers who want to shoot without worrying about rapid battery drain.
Future-Proof Buyers Looking for Long-Term Support: If you want a smartphone that will last for years, the Galaxy S25 is one of the best choices. Samsung offers 7 years of OS and security updates, meaning this device will remain supported until 2032—outlasting many competitors. This makes it an excellent investment for users who don’t upgrade frequently but still want the latest features and security.
ViserMark VERDICT
The Xiaomi 14T Pro - what's it like to use?
The Samsung Galaxy S25 is a premium flagship smartphone that offers top-tier performance, advanced AI features, and a compact, durable design. It's powered by the Snapdragon 8 Elite chipset, paired with 12GB of RAM and UFS 4.0 storage, ensuring fast multitasking, high-speed gaming, and smooth everyday performance. The device supports 5G connectivity and Wi-Fi 7, providing ultra-fast data speeds for users who demand seamless connectivity.
The 6.2-inch Dynamic LTPO AMOLED 2X display is among the best in its category, offering stunning colors, deep contrasts, and ultra-smooth motion. With a 120Hz adaptive refresh rate, HDR10+ support, and an impressive 2600-nit peak brightness, it delivers exceptional outdoor visibility and vibrant visuals. The Always-On Display ensures quick access to important information without unlocking the phone, adding extra convenience for daily use. The Galaxy S25 maintains Samsung’s premium build quality, featuring Gorilla Glass Victus 2 on both the front and back for scratch resistance and durability. The Armor Aluminum 2 frame keeps the phone lightweight at just 162 grams, while the IP68 rating ensures dust and water resistance. Available in Icy Blue, Mint, Navy, and Silver Shadow, the sleek and modern design remains one of the most polished in the industry.
With a 4,000mAh battery, the Galaxy S25 delivers up to 1.5 days of battery life, and while charging speeds (25W wired, 15W wireless) aren't the fastest, the phone remains efficient for daily use thanks to Samsung’s software optimizations.
Samsung has refined its triple-camera setup, ensuring sharp, detailed, and stabilized shots in all conditions. The 50MP main sensor with OIS captures high-quality images, the 10MP telephoto lens provides 3x optical zoom for clear close-ups, and the 12MP ultra-wide camera is perfect for landscape and group shots. For video, the Galaxy S25 supports 8K recording at 24/30fps and 4K at 60fps, delivering cinema-grade footage. The 12MP front camera with dual-pixel autofocus ensures sharp selfies and 4K video recording, making it a great choice for content creators and video calls.
Its premium build (Gorilla Glass Victus 2, Armor Aluminum 2, IP68-rated design) makes it durable yet lightweight, while One UI 7 on Android 15 delivers AI-powered features and long-term support (7 years of updates).
Samsung DeX and Wireless DeX remain standout features for those who want a desktop-like experience from their phone. Pairing the device with a monitor or TV worked flawlessly in our tests, making multitasking seamless.
The Samsung Galaxy S25 doesn’t break new ground, but it perfects what already worked well. It offers flagship-tier performance, a stunning display, and a reliable camera system in a compact form factor. However, battery life, charging speeds, and the lack of design innovation might leave some users wanting more.
If you value compact design, premium build, and long-term software support, the Galaxy S25 is an excellent choice. But if battery endurance or groundbreaking camera features are your priority, some competitors might be more appealing.
VCX (Valued Camera eXperience)
The VCX Forum has been working with its members on the system and infrastructure as a non-profit organisation. We strive to improve our technology to develop and exchange accurate and objective quality and performance indicators, which is our ultimate goal. We will also serve as a compass for the smartphone camera industry. We appreciate your interest in the VCX Forum.
No VCX reviews are available for this smartphone.
Background
The Samsung Group is a South Korean multinational conglomerate headquartered in Samsung Town, Seoul. It comprises numerous affiliated businesses, most united under the Samsung brand. Samsung Electronics has assembly plants and sales networks in 74 countries and employs around 290,000 people. Samsung is a major manufacturer of electronic components such as lithium-ion batteries, semiconductors, image sensors, camera modules and displays for clients such as Apple, Sony, HTC and Nokia.
Written by
Marcella Frattari is the Communication Marketing and Lead Generation Manager at SmartViser, playing a key role in shaping the company's communication and marketing strategies. With a background in journalism and a passion for digital communication, Marcella focuses on improving SmartViser's overall online presence and engagement. Her dedication to clear, effective communication and creative content makes her a valuable asset to the team.
Press Contact
Marcella Frattari: Contact@visermark.com
Our Resources
ViserMark Scores | ViserMark Reviews | Success Stories | Latest Articles |
Discover what ViserMark is all about. | Read ViserMark's latest in-depth smartphone battery reviews. | Discover our main success stories with Telecoms and other industries. | Read more articles on our battery life, performance reviews, and test results. |
Las plataformas de casino y apuestas han evolucionado, permitiendo a los jugadores disfrutar desde cualquier lugar. Juega en linea y accede a una gran variedad de juegos, promociones y apuestas en vivo, todo con seguridad y comodidad desde tu dispositivo favorito.