In-Depth Review — Samsung Galaxy S Series

Samsung Galaxy S4 Review

The Samsung Galaxy S4 delivers powerful performance and a brilliant display but has some design trade-offs.

Updated March 2026 Reviewed by Marcus Webb

Independent research across performance, build quality, value, and compatibility 📊 Community & published benchmarks aggregated and scored 🔍 No paid rankings — ever 📅 Last updated March 2026

Launched in 2013, the Samsung Galaxy S4 is designed for users seeking a high-performance smartphone with cutting-edge features. With its large 5-inch full HD display and powerful processors, it aims to attract tech enthusiasts and everyday users alike. This device represents a significant evolution over its predecessor, the Galaxy S3, offering more power, improved camera capabilities, and added features.

This review draws from a variety of technical sources, including GSMArena for synthetic benchmarks, UL Solutions for performance insights, and Wired for user experience evaluations. These comprehensive analyses cover the Galaxy S4's performance, battery life, and additional specifications, providing a well-rounded perspective of the device's capabilities.

Overall, the Samsung Galaxy S4 scores highly for its performance and display quality, with notable strengths including powerful processing capabilities and excellent camera functionality. However, it does face criticism for its plastic design and some missing features like stereo speakers. Users looking for a solid Android experience will find much to appreciate, while those seeking premium materials may want to explore alternatives.

How Does the Galaxy S4 Perform?

The Samsung Galaxy S4 is powered by either a Qualcomm Snapdragon 600 or Samsung's Exynos 5 Octa processor, depending on the model. The Snapdragon variant features four Krait 300 cores running at 1.9GHz alongside 2GB of RAM, while the Exynos version boasts eight cores divided into two clusters - four high-performance Cortex-A15 and four energy-efficient Cortex-A7 cores. Synthetic benchmarks have shown the S4 outperforming rivals like the HTC One in both single-threaded and multi-threaded tasks, with a notable score of 640 in 3DMark Sling Shot.

Real-world usage confirms these benchmarks, as the device handles heavy multitasking and high-definition gaming smoothly. However, potential buyers should know that performance may vary under less-than-ideal conditions, such as high temperatures or excessive background activity.

Is the Display Really That Impressive?

Featuring a 5-inch Super AMOLED display with a resolution of 1920 x 1080 pixels, the Galaxy S4's screen delivers vibrant colors and deep blacks, creating a visually stunning experience for video and gaming. The high pixel density ensures sharp images, making it one of the standout features of the device.

However, some users have criticized the reflecting capabilities of the screen in bright light, which can occasionally hinder outdoor visibility. Despite this, the display generally receives high praise for its clarity and responsiveness.

How Does the Camera Hold Up?

The Galaxy S4 sports a 13 MP rear camera with advanced features such as HDR and a front-facing 2 MP camera. Reviews highlight the camera's ability to capture vibrant and detailed photos in various lighting conditions, which outperforms many competitors in its class.

Despite the strong performance, users have mentioned that low-light photography still presents challenges, with noticeable noise in dim settings. Additionally, the camera interface may feel cluttered due to the abundance of features.

Is the Battery Life Sufficient?

Powered by a 2600 mAh battery, the Samsung Galaxy S4 offers reasonable battery life, with average usage lasting about a day. Benchmark testing indicates that battery performance is sensitive to screen brightness and background processes.

While many users find the battery life adequate for their needs, some report that intensive use, particularly with gaming or video streaming, can drain the battery faster than expected. This consideration might be crucial for power users.

What About the Build Quality?

Samsung's choice of lightweight plastic for the Galaxy S4's casing has drawn mixed reviews. While the device feels sleek and light at under 8mm thickness, some users point out that it does not match the premium feel of competitors like the HTC One, which uses metal in its construction.

This plastic design also lends itself to concerns about durability and may not appeal to users who prioritize a high-end feel in their smartphones. Nevertheless, the lightweight design can contribute positively to daily use.

Pros & Cons

  • ✅ Powerful processors with Snapdragon 600 or Exynos 5 Octa options enhance performance under load.
  • ✅ Vibrant 5-inch Super AMOLED display with a full HD resolution for stunning visuals.
  • ✅ Versatile 13 MP camera performs well in well-lit conditions, capturing sharp images.
  • ✅ Lightweight plastic design makes it easy to handle and carry.
  • ❌ Plastic build quality lacks the premium feel of competitors like the HTC One.
  • ❌ Camera performance may suffer in low-light conditions, producing noise.
  • ❌ Average battery life can diminish quickly with intensive use, especially for power users.

How It Compares to the Competition

  • HTC One — The HTC One offers a premium metal design and great audio quality but may fall short on battery life.
  • LG Optimus G Pro — Similar performance to the S4 but lacks some camera features.
  • Sony Xperia Z — The Xperia Z provides a unique waterproof design but has a lower pixel density.

Who Should Buy This & Who Should Skip It

Buy it if: The Samsung Galaxy S4 is ideal for users looking for a powerful smartphone with excellent performance and a top-notch display. It's particularly well-suited for those who engage in multitasking and photography under good lighting conditions.

Skip it if: If you prefer a smartphone with a premium build quality or superior low-light camera performance, you may want to consider alternatives like the HTC One. Additionally, users with heavy daily usage may seek devices with better battery longevity.

Search Purchase Options

Use these links to search for Samsung Galaxy S4 on trusted marketplaces. The links open in new tabs; if you buy through them, we may earn a commission at no extra cost to you.

* Affiliate links: you pay the same price either way.

Want to See How Every Tech Stacks Up?

Browse our full Tech reviews — with detailed data, scores, and comparisons across the entire lineup.

Browse All Tech Reviews
Where to buy