Niraj Raut
15
Table of Contents
1. Product Overview
The Samsung Galaxy S21 is a compact flagship smartphone launched in 2021, offering a premium experience at a competitive price point. With its sleek design, powerful chipset, and advanced camera system, it caters to a wide range of users.
| Feature | Details |
| Display | 6.2″ Dynamic AMOLED 2X, FHD+ (1080 x 2400), Adaptive 120Hz refresh rate |
| Processor | Snapdragon 888 (US) / Exynos 2100 (Global) |
| Camera Setup | Triple-lens: 12MP wide, 12MP ultra-wide, 64MP telephoto |
| Battery Capacity | 4000mAh with fast charging |
| Software | Android 11 (upgradable to Android 13) with One UI |
2. Key Features
- Compact Design: Lightweight and easy to handle at just 169g.
- Adaptive Display: Smooth scrolling with a refresh rate of up to 120Hz.
- Camera Versatility: Ultra-wide and telephoto lenses for diverse photography needs.
- Fast Performance: Powered by Snapdragon 888 or Exynos 2100.
- Durability: IP68 water and dust resistance.
3. Performance Analysis
- The Exynos 2100 variant offers solid performance for multitasking and gaming but slightly lags behind the Snapdragon version in GPU-heavy tasks.
- Adaptive refresh rates optimize battery life for everyday use.
- Benchmark scores place it among the top-performing smartphones of its time.
4. Camera System
The Galaxy S21 excels in photography with its versatile triple-camera setup.
| Camera Type | Resolution & Features |
| Main Camera (Wide) | 12MP (f/1.8), OIS, Dual Pixel PDAF |
| Ultra-Wide Camera | 12MP (f/2.2), 120° field of view |
| Telephoto Camera | 64MP (f/2.0), OIS, Hybrid Zoom |
| Front Camera | 10MP (f/2.2) |
Strengths:
- Accurate color reproduction and white balance.
- Wide depth of field for group photos.
- Excellent ultra-wide lens for capturing more detail.
Weaknesses:
- Visible noise in low-light conditions.
- Texture and detail could be improved in portraits.
5. Battery & Charging
| Feature | Details |
| Battery Capacity | 4000mAh |
| Wired Charging | Up to 25W Fast Charging |
| Wireless Charging | Up to 15W |
| Reverse Wireless Charging | Supports Wireless PowerShare |
The battery lasts a full day under moderate usage but may require top-ups during heavy use.
6. Pricing Overview
| Region | Storage Options | Price (USD) | Price (INR) |
| US | 128GB | $799 | ₹55,000 |
| US | 256GB | $849 | ₹60,000 |
| India | 128GB | ₹69,999 | – |
| India | 256GB | ₹73,999 | – |
7. Competitor Comparison
How does the Galaxy S21 compare to its rivals?
| Feature | Samsung Galaxy S21 | Apple iPhone 13 | Xiaomi Mi 11 Ultra |
| Display | FHD+, Adaptive 120Hz | Retina Display, 60Hz | QHD+, Secondary Screen |
| Processor | Snapdragon/Exynos | A15 Bionic | Snapdragon |
| Camera | Triple-lens setup | Dual-lens setup | Quad-lens setup |
| Battery Capacity | 4000mAh | Smaller capacity | Larger capacity |
| Price Range | Mid-range | Premium | Premium |
8. Use Cases
The Galaxy S21 is ideal for various user scenarios:
- Photography Enthusiasts
- Perfect for outdoor photography with accurate colors and ultra-wide shots.
- Portrait mode delivers natural blur effects with good depth estimation.
- Content Creators
- Supports up to 8K video recording at 24fps or 4K at smoother frame rates.
- Great for vlogging and social media content creation.
- Gamers
- Smooth gameplay with its Snapdragon/Exynos chipset and Adreno/Mali GPU.
- Adaptive refresh rates enhance the gaming experience.
- Business Professionals
- Samsung DeX enables a desktop-like experience for productivity tasks.
- Compact design makes it easy to carry on the go.
- Media Consumers
- The AMOLED display offers vibrant colors for streaming videos or browsing.
- Everyday Users
- Reliable performance for calls, messaging, browsing, and light multitasking.
9. SWOT Analysis
| Strengths | Weaknesses | Opportunities | Threats |
| Affordable pricing | No microSD support | Expand in emerging markets | Competition from Apple/Xiaomi |
| Adaptive refresh rate | Full HD+ resolution | Improve camera hardware | Limited differentiation |
10. Recommendations
- Reintroduce expandable storage options to attract power users.
- Enhance low-light camera performance through software updates.
- Focus on marketing its compact design and affordability as key selling points.
