John Dell Tech

Description

Design and Build

The Galaxy S21 has a premium design with a Gorilla Glass Victus front, a plastic back, and an aluminum frame. It measures 151.7 x 71.2 x 7.9 mm and weighs 169g (Sub6) or 171g (mmWave). The phone is IP68-rated for dust and water resistance, adding durability. The S21 features single SIM or eSIM options, making it compatible with different carrier setups.

Display

The 6.2-inch Dynamic AMOLED 2X display offers 1080 x 2400 resolution (~421 PPI) with HDR10+ support for vibrant colors and sharp clarity. Its 120Hz refresh rate ensures smooth scrolling, and the peak brightness of 1300 nits makes it easy to view even in bright outdoor conditions. The Corning Gorilla Glass Victus protects against scratches and impacts.

Camera

The Galaxy S21’s triple-camera system captures impressive photos and videos:

• 12MP wide lens (f/1.8) with Dual Pixel PDAF and OIS for crisp, clear photos.
• 64MP telephoto lens (f/2.0) with 1.1x optical zoom and 3x hybrid zoom for versatile zoom options.
• 12MP ultra-wide lens (f/2.2) with a 120˚ field of view, perfect for capturing more in each shot.

This camera setup supports 8K video recording at 24fps and 4K at 60fps, along with gyro-EIS for stable videos. The 10MP front camera features Auto-HDR and can record up to 4K at 60fps, making it ideal for high-quality selfies and video calls.

Performance

Powered by the Exynos 2100 (or Snapdragon 888 in the USA/China), the Galaxy S21 provides powerful, efficient performance. With an octa-core CPU and Mali-G78 MP14 or Adreno 660 GPU, the device handles demanding tasks with ease. It has 8GB of RAM and 128GB UFS 3.1 storage, ensuring quick app launches and ample space for media and apps.

Battery and Charging

The S21 includes a 4000mAh battery that offers reliable, all-day battery life. It supports 25W fast wired charging, 15W fast wireless charging, and 4.5W reverse wireless charging, providing flexibility for users who rely on quick and convenient charging solutions.

Software

Running on Android 11 with One UI 3.1, the Galaxy S21 offers a smooth, customizable user experience. With Samsung DeX and Wireless DeX, users can enjoy a desktop-like experience. The device supports Samsung Pay (NFC-enabled) and Bixby voice commands, adding functionality for seamless, hands-free operation.

Pros and Cons of the Galaxy S21

Pros

• Compact and Lightweight: Easy to hold and use with a one-hand-friendly design.
• High-Quality Display: Dynamic AMOLED 2X display with 120Hz refresh rate for a smooth, vivid visual experience.
• Versatile Camera System: Triple-camera setup with advanced zoom and 8K video capabilities.
• Multiple Charging Options: Supports fast wired, wireless, and reverse wireless charging.
• Durable Build: Gorilla Glass Victus protection and IP68 water resistance.

Cons

• No Expandable Storage: Lacks a microSD slot for additional storage.
• Plastic Back: Less premium feel compared to glass-backed models.
• No 3.5mm Audio Jack: Requires USB-C or wireless audio solutions.