Galaxy S II vs. iPhone 4S

What's the Difference?

The Galaxy S II and iPhone 4S are both popular smartphones that were released around the same time. The Galaxy S II, powered by Android, offers a larger screen size and a more customizable user interface. It also has a removable battery and expandable storage options, which can be appealing to some users. On the other hand, the iPhone 4S, running on iOS, provides a more seamless and user-friendly experience. It has a well-integrated ecosystem with access to a wide range of apps and services. The iPhone 4S also boasts a high-quality camera and a sleek design. Ultimately, the choice between the two depends on personal preferences and priorities.


AttributeGalaxy S IIiPhone 4S
Operating SystemAndroidiOS
Display Size4.3 inches3.5 inches
Resolution480 x 800 pixels640 x 960 pixels
ProcessorDual-core 1.2 GHzDual-core 1 GHz
Internal Storage16/32 GB16/32/64 GB
Camera8 MP8 MP
Front Camera2 MP0.3 MP
Battery Capacity1650 mAh1432 mAh
Weight116 g140 g

Further Detail

Design and Display

The Galaxy S II and iPhone 4S both feature sleek and stylish designs, but with distinct differences. The Galaxy S II boasts a larger 4.3-inch Super AMOLED Plus display, offering vibrant colors and deep blacks. On the other hand, the iPhone 4S sports a smaller 3.5-inch Retina display, known for its exceptional pixel density and sharpness.

While the Galaxy S II's larger screen provides a more immersive viewing experience, the iPhone 4S's smaller display offers better one-handed usability. Additionally, the iPhone 4S features a glass back panel, giving it a premium feel, while the Galaxy S II opts for a plastic back cover, which some may find less luxurious.

Performance and Operating System

When it comes to performance, the Galaxy S II and iPhone 4S were top contenders during their release. The Galaxy S II is powered by a dual-core 1.2 GHz Exynos processor, offering smooth multitasking and fast app loading times. On the other hand, the iPhone 4S features Apple's A5 chip, delivering excellent performance and responsiveness.

Both devices run on different operating systems. The Galaxy S II operates on Android, providing users with a highly customizable experience and access to a vast range of apps through the Google Play Store. In contrast, the iPhone 4S runs on iOS, known for its user-friendly interface and seamless integration with other Apple devices through services like iCloud.

While Android offers more flexibility in terms of customization, iOS provides a more streamlined and cohesive ecosystem for Apple users. The choice between the two operating systems ultimately depends on personal preference and individual needs.

Camera Capabilities

Both the Galaxy S II and iPhone 4S come equipped with capable cameras, although there are some differences in their specifications. The Galaxy S II features an 8-megapixel rear camera with autofocus and LED flash, allowing for high-quality photos even in low-light conditions. It also offers various shooting modes and settings to enhance the photography experience.

On the other hand, the iPhone 4S boasts an 8-megapixel rear camera with a larger aperture, resulting in better low-light performance. It also features advanced image stabilization, ensuring sharper images and reducing motion blur. Additionally, the iPhone 4S introduced the popular "Panorama" mode, allowing users to capture stunning wide-angle photos.

Both devices offer video recording capabilities, with the Galaxy S II supporting Full HD 1080p video recording and the iPhone 4S offering 1080p video recording as well. The Galaxy S II also includes a front-facing 2-megapixel camera, while the iPhone 4S features a VGA front-facing camera.

Battery Life and Storage

Battery life is an essential aspect to consider when comparing smartphones. The Galaxy S II is equipped with a removable 1650mAh battery, providing users with a decent amount of usage time. However, due to its larger display and powerful processor, the battery life may be slightly shorter compared to the iPhone 4S.

The iPhone 4S, on the other hand, features a non-removable 1432mAh battery. Despite its smaller capacity, the iPhone 4S is known for its efficient power management, allowing for longer usage time. However, it's worth noting that battery life can vary depending on individual usage patterns and settings.

In terms of storage options, the Galaxy S II offers expandable storage through a microSD card slot, allowing users to increase the available storage capacity. The iPhone 4S, however, does not support expandable storage and comes in fixed storage options ranging from 16GB to 64GB. This can be a crucial factor for users who require ample storage for their apps, photos, and media files.

Connectivity and Additional Features

Both the Galaxy S II and iPhone 4S offer a range of connectivity options. They support 3G and Wi-Fi connectivity, allowing users to browse the internet, stream media, and download apps. Additionally, both devices feature Bluetooth for wireless file transfer and NFC capabilities for contactless payments and data exchange.

The Galaxy S II also supports 4G LTE connectivity, providing faster download and upload speeds where available. This can be advantageous for users who require high-speed internet access on the go. However, it's important to note that the availability of 4G LTE may vary depending on the region and carrier.

When it comes to additional features, the Galaxy S II offers a range of sensors, including an accelerometer, gyroscope, proximity sensor, and compass. These sensors enhance the overall user experience by enabling features such as auto-rotation, motion-based gaming, and augmented reality applications.

The iPhone 4S, on the other hand, introduced Siri, Apple's voice assistant, which allows users to perform various tasks using voice commands. Siri can answer questions, set reminders, send messages, and more, providing a convenient hands-free experience.


In conclusion, both the Galaxy S II and iPhone 4S were flagship devices during their release, offering impressive features and capabilities. The Galaxy S II excels in terms of its larger display, expandable storage, and support for 4G LTE connectivity. On the other hand, the iPhone 4S stands out with its exceptional camera performance, efficient power management, and seamless integration within the Apple ecosystem.

Ultimately, the choice between the two devices depends on individual preferences and priorities. Those who prioritize a larger display, expandable storage, and customization options may lean towards the Galaxy S II. On the other hand, users who value a compact design, excellent camera capabilities, and a seamless user experience within the Apple ecosystem may prefer the iPhone 4S.

Regardless of the choice, both the Galaxy S II and iPhone 4S have made significant contributions to the smartphone industry and have left a lasting impact on subsequent generations of smartphones.

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