Samsung Galaxy S II vs. iPhone 4S

What's the Difference?

The Samsung Galaxy S II and iPhone 4S are both popular smartphones that were released around the same time. The Galaxy S II features a larger display and a more customizable Android operating system, while the iPhone 4S has a more compact design and a user-friendly iOS. The Galaxy S II has a more powerful processor and expandable storage options, whereas the iPhone 4S has a more seamless integration with Apple's ecosystem and a better camera. Ultimately, the choice between the two depends on personal preferences, with the Galaxy S II offering more flexibility and the iPhone 4S providing a more streamlined user experience.


AttributeSamsung Galaxy 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 MP (rear), 2 MP (front)8 MP (rear), VGA (front)
Battery Capacity1650 mAh1432 mAh
Weight116 grams140 grams
Dimensions125.3 x 66.1 x 8.5 mm115.2 x 58.6 x 9.3 mm

Further Detail

Design and Display

The Samsung Galaxy S II and iPhone 4S both feature sleek and stylish designs, but with some notable 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 comes with a smaller 3.5-inch Retina display, known for its high pixel density and sharpness.

While the Galaxy S II's larger screen may be more appealing for multimedia consumption and gaming, the iPhone 4S's smaller display makes it more compact and easier to handle with one hand. 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, both devices offer impressive capabilities. The Galaxy S II is powered by a dual-core 1.2 GHz processor and 1GB of RAM, providing smooth multitasking and fast app loading times. On the other hand, the iPhone 4S features Apple's custom dual-core A5 chip and 512MB of RAM, delivering excellent performance and responsiveness.

In terms of operating systems, the Galaxy S II runs on Android, offering a highly customizable experience with access to the Google Play Store and a wide range of apps. The iPhone 4S, on the other hand, runs on iOS, known for its user-friendly interface and seamless integration with other Apple devices through services like iCloud and iMessage.

While Android provides more flexibility and customization options, iOS offers a more streamlined and cohesive ecosystem for users who already own other Apple products.

Camera and Photography

Both the Galaxy S II and iPhone 4S come equipped with capable cameras, but with some differences in specifications and features. The Galaxy S II features an 8-megapixel rear camera with autofocus and LED flash, capable of capturing high-quality images. It also offers various shooting modes and settings, allowing users to experiment with different photography styles.

The iPhone 4S, on the other hand, features a 8-megapixel rear camera with autofocus and LED flash, along with advanced features like face detection and image stabilization. It also excels in low-light photography, thanks to its larger aperture size.

Both devices can record 1080p Full HD videos, but the Galaxy S II offers the option to capture videos in slow motion, which can be a fun and creative feature for users.

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, which provides a decent amount of usage time. However, due to its larger display and powerful processor, it may require more frequent charging, especially with heavy usage.

The iPhone 4S, on the other hand, comes with a non-removable 1432mAh battery. While it may have a smaller capacity compared to the Galaxy S II, the optimized hardware and software integration of iOS allow for efficient power management, resulting in longer battery life.

In terms of storage options, the Galaxy S II offers expandable storage via a microSD card slot, allowing users to add additional storage space as needed. The iPhone 4S, on the other hand, comes in fixed storage options ranging from 16GB to 64GB, with no option for expandable storage. This can be a crucial factor for users who require ample storage for their apps, photos, and media files.

Connectivity and Features

Both devices offer a range of connectivity options, including Wi-Fi, Bluetooth, and GPS. However, the Galaxy S II also supports NFC (Near Field Communication), which enables contactless payments and easy file sharing between compatible devices.

Additionally, the Galaxy S II features a microUSB port, allowing for easy charging and data transfer, while the iPhone 4S uses Apple's proprietary Lightning connector. This can be a consideration for users who prefer the convenience of a widely available standard connector.

When it comes to additional features, the Galaxy S II offers a removable battery and expandable storage, which can be advantageous for users who value flexibility and customization. The iPhone 4S, on the other hand, offers Siri, Apple's voice assistant, which can perform various tasks and provide information through voice commands.

Price and Availability

Price and availability are crucial factors when choosing a smartphone. The Galaxy S II, being an older model, is likely to be more affordable and widely available through various retailers and online platforms. This can be an advantage for budget-conscious consumers or those looking for a device with a lower upfront cost.

The iPhone 4S, on the other hand, may be more expensive, especially if purchased directly from Apple or through authorized retailers. However, it offers the advantage of being supported by Apple's long-term software updates, ensuring compatibility with the latest apps and features.


In conclusion, both the Samsung Galaxy S II and iPhone 4S have their own strengths and weaknesses. The Galaxy S II offers a larger display, expandable storage, and the flexibility of the Android operating system. On the other hand, the iPhone 4S provides a compact design, longer battery life, and the seamless integration of iOS with other Apple devices.

Ultimately, the choice between these two smartphones depends on individual preferences and priorities. Whether you prioritize a larger screen, expandable storage, or a cohesive ecosystem, both the Galaxy S II and iPhone 4S are capable devices that have stood the test of time.

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