Galaxy S21 Ultra Review 2025: Performance, Camera, Battery Life, and Best Buying Options

The Samsung Galaxy S21 Ultra remains one of the most powerful smartphones on the market, even as we enter 2025. Launched in early 2021, it set the bar for flagship Android devices with its cutting-edge technology, stunning display, incredible camera system, and high-end performance. Despite the release of newer models like the Samsung Galaxy S22 Ultra, the S21 Ultra still offers incredible value for those who want a premium smartphone experience.

If you’re looking to buy the Galaxy S21 Ultra in the UAE, Technoor.me offers excellent pricing options, but before you make your purchase, it’s essential to understand what makes the S21 Ultra stand out in 2025, from its performance and camera capabilities to its battery life and accessories. Additionally, we will explore the best buying options available to you in the UAE and how it compares to other smartphones in the same price range.

Key Features and Specifications of the Galaxy S21 Ultra

Before diving into performance reviews and comparisons, let’s start by taking a closer look at the key specs and features that make the Galaxy S21 Ultra an excellent choice for tech enthusiasts in the UAE:

• Display: 6.8-inch Dynamic AMOLED 2X, Quad HD+ resolution (3200 x 1440), 120Hz refresh rate

• Processor: Qualcomm Snapdragon 888 (in the USA) / Exynos 2100 (UAE & Global)

• Storage Options: 128GB, 256GB, 512GB (no microSD card support)

• RAM: 12GB or 16GB LPDDR5

• Cameras:
  • 108MP primary sensor

  • 12MP ultrawide

  • 10MP periscope telephoto (10x optical zoom)

  • 10MP telephoto (3x optical zoom)

• Battery: 5,000mAh with 25W fast charging, wireless charging support

• Operating System: Android 12 (upgradable to Android 13)

• Other Features: 5G connectivity, IP68 water resistance, in-display fingerprint sensor

The Galaxy S21 Ultra continues to shine with its premium build, powerful performance, and exceptional display quality, making it one of the top smartphones for enthusiasts, photographers, and gamers alike.

Performance and Gaming: Powerhouse Performance in 2025

The Galaxy S21 Ultra was powered by the Exynos 2100 chipset in the UAE (while other regions received the Snapdragon 888). Both versions of the device feature top-tier performance capabilities, which continue to hold up in 2025 for nearly all applications, including gaming, multitasking, and productivity.

• Day-to-Day Performance: The S21 Ultra’s 12GB to 16GB of RAM combined with the Exynos 2100 chipset ensures smooth operation for everyday tasks, including web browsing, video streaming, and social media. Whether you’re working on emails or watching Netflix, the device delivers an exceptional user experience.

• Gaming: The Galaxy S21 Ultra handles graphics-intensive games like PUBG Mobile, Call of Duty, and Genshin Impact with ease. The device’s 120Hz refresh rate and dynamic AMOLED 2X display provide a smooth and responsive experience while gaming. Even in the most demanding games, the performance remains consistent with minimal lag or stuttering.

• Battery and Efficiency: With a 5,000mAh battery, the Galaxy S21 Ultra offers all-day battery life even under heavy usage. The Exynos 2100 is relatively power-efficient, so you can expect up to 7-8 hours of screen time on a single charge with moderate to heavy use. Moreover, Samsung offers 25W fast charging, so you can quickly recharge your device when needed. If you’re looking for extended battery performance, battery saver modes and optimisation settings can help extend your device’s battery life during the day.

Galaxy S21 Ultra Camera Review: A Photographer’s Dream

One of the standout features of the Galaxy S21 Ultra is its incredible camera setup. As of 2025, the S21 Ultra still boasts some of the best smartphone cameras available. With four rear cameras and a 40MP front camera, it caters to every type of photography, from wide-angle shots to detailed zoom photos.

• Primary Camera: The 108MP primary sensor is perfect for capturing detailed photos with vivid colours and accurate textures. It also supports laser autofocus for improved low-light performance.

• Telephoto Zoom: The 10MP telephoto camera with 3x optical zoom and the 10MP periscope telephoto camera with 10x optical zoom offer incredible zoom capabilities without losing much detail. The S21 Ultra can take crisp, clear shots even from long distances.

• Ultra-Wide and Night Mode: The 12MP ultrawide camera allows for sweeping landscape shots, while the night mode ensures clear and bright photos in low-light conditions. The Galaxy S21 Ultra shines during the night with detailed and vivid results, making it perfect for nighttime photography and events.

• Video Recording: The Galaxy S21 Ultra supports 8K video recording at 24fps, offering an ultra-sharp and cinematic video quality. 4K at 60fps is available for smooth video recording at a more standard frame rate. The device also features Super Steady video mode for stable, shake-free videos even in motion.

For those who are into mobile photography, the Galaxy S21 Ultra’s camera system will not disappoint. Whether you’re snapping wide-angle shots, zooming in on distant objects, or capturing portraits with fantastic depth, the camera setup continues to excel in all scenarios.

Battery Life and Charging: Lasting Power for a Full Day

The battery life of the Galaxy S21 Ultra is impressive, with its 5,000mAh battery offering all-day use under moderate to heavy usage. Whether you’re browsing, streaming, gaming, or using multiple apps, the phone’s energy-efficient chipset ensures the device lasts throughout the day.

• Fast Charging: While the 25W wired charging is nothing new in 2025, it’s still a decent speed for quickly powering up the phone. You can expect about 50% charge in 30 minutes, so if you’re in a rush, it won’t take long to top up the battery.

• Wireless Charging: The S21 Ultra supports 15W wireless charging and reverse wireless charging, so you can charge other devices, like wireless earbuds or smartwatches, using the back of the phone.

• Battery Saving: To extend battery life, the S21 Ultra comes with power-saving modes that reduce background processes, screen brightness, and other features that drain the battery. These modes are essential when you’re running low on power and need to make it through the day.

Best Deals and Buying Options for the Galaxy S21 Ultra in UAE (Technoor.me)

If you’re looking to purchase the Galaxy S21 Ultra in the UAE, Technoor.me is one of the best platforms to find competitive pricing and exclusive offers. Here are some ways you can benefit from shopping on Technoor.me:

• Best Price for Galaxy S21 Ultra: Technoor.me offers some of the best prices for the Galaxy S21 Ultra, making it a top destination for buyers looking to save on a high-end Samsung device. Keep an eye on special offers for discounts on new and refurbished models.

• Special Pricing: For those looking for special pricing on the Galaxy S21 Ultra, Technoor.me frequently runs exclusive promotions, providing customers with additional savings. These may include seasonal offers or bundle deals.

• Availability: Technoor.me has a steady supply of Galaxy S21 Ultra units, ensuring that you can find the model and colour variant you prefer. Whether you’re in Dubai, Abu Dhabi, or other regions in the UAE, Technoor.me offers quick delivery options.

• Best Deals on Technoor.me: From trade-in programs to discount bundles (including accessories like cases and wireless earbuds), Technoor.me provides all the tools you need to get the best deal on your Galaxy S21 Ultra purchase.

Galaxy S21 Ultra vs. Competitors: How Does It Compare?

• Galaxy S21 Ultra vs. Galaxy S22 Ultra: While the S22 Ultra introduces a sleeker design and slightly improved cameras, the S21 Ultra still holds its own with its stunning camera performance and overall features. If you’re looking for excellent value for money, the S21 Ultra remains a solid choice.

• Galaxy S21 Ultra vs. iPhone 13 Pro Max: The iPhone 13 Pro Max delivers great performance, but for those who prefer Android, the S21 Ultra is a powerhouse with its 120Hz display, better zoom capabilities, and more flexible software experience.

• Galaxy S21 Ultra vs. Galaxy Z Fold 3: If you’re looking for a foldable design, the Z Fold 3 offers that experience, but it’s at a higher price point. The S21 Ultra, however, excels in traditional smartphone features like its battery life, camera quality, and performance.

Final Thoughts: Is the Galaxy S21 Ultra Worth It in 2025?

In 2025, the Samsung Galaxy S21 Ultra is still a top-tier smartphone that competes well

against newer models. Whether you’re a photographer, gamer, or general user, this device delivers exceptional performance, stunning photography features, and solid battery life.

If you’re looking for the best price for Galaxy S21 Ultra in the UAE, Technoor provides great deals, discounts, and buying options to ensure you get the most value for your purchase. With its advanced features and excellent longevity, the Galaxy S21 Ultra is a must-consider option for anyone in the market for a premium device in 2025.