Samsung Galaxy Note 21 Ultra

Jun 4, 2025 By

The Samsung Galaxy Note 21 Ultra is a device that demands attention, not just for its legacy as part of the Note series but for how it pushes the boundaries of what a premium smartphone can achieve. From its striking design to its powerhouse performance, this phone is a statement—one that blends productivity, creativity, and cutting-edge technology into a single, sleek package.

At first glance, the Galaxy Note 21 Ultra exudes sophistication. Its refined metal frame and Gorilla Glass Victus back panel give it a premium feel, while the subtle curves make it comfortable to hold despite its large size. The phone is available in Phantom Black, Phantom Silver, and a striking Phantom Green, each finish offering a unique aesthetic appeal. The iconic S Pen slot remains, a nod to the Note series' DNA, but everything else about the design feels meticulously modern.

The display is where Samsung continues to dominate, and the Note 21 Ultra is no exception. The 6.9-inch Dynamic AMOLED 2X screen boasts a 3200 x 1440 resolution with a 120Hz adaptive refresh rate, ensuring buttery-smooth scrolling and unparalleled clarity. HDR10+ support brings movies and games to life with vibrant colors and deep blacks, while the peak brightness of 1500 nits makes it perfectly usable even under direct sunlight. This isn’t just a screen—it’s a canvas for everything from note-taking to binge-watching.

Under the hood, the Galaxy Note 21 Ultra is an absolute beast. Powered by the Exynos 2200 (or Snapdragon 8 Gen 1 in select regions), coupled with 12GB or 16GB of RAM, this phone handles multitasking with ease. Whether you’re juggling multiple apps, editing 4K video, or playing graphics-intensive games, there’s no noticeable lag. Storage options range from 256GB to a whopping 1TB, though the lack of expandable storage might be a sticking point for some.

Photography enthusiasts will appreciate the versatile triple-camera setup. The 108MP primary sensor captures stunning detail, while the 12MP ultra-wide lens offers a 120-degree field of view, perfect for landscapes. The real showstopper is the dual telephoto system—a 10MP periscope lens with 10x optical zoom and a 10MP telephoto with 3x zoom, delivering crisp shots even at extreme distances. Night mode has been significantly improved, producing brighter, cleaner low-light photos without excessive noise. On the front, the 40MP selfie camera ensures sharp, detailed shots, whether for video calls or social media.

The S Pen remains the Note series’ crown jewel, and the Note 21 Ultra refines the experience further. With a reduced latency of just 2.8ms, writing feels as natural as pen on paper. Air Actions—gesture controls using the S Pen—have been expanded, allowing for more intuitive navigation and creative control. Whether you’re sketching, annotating documents, or controlling your camera remotely, the S Pen is more than a stylus; it’s an extension of your creativity.

Battery life is impressive, thanks to the 5,000mAh cell. Even with heavy use—including S Pen activities, gaming, and streaming—the phone easily lasts a full day. When it’s time to recharge, 45W wired charging tops up the battery quickly, while 15W wireless and reverse wireless charging add convenience. It’s worth noting that the charger isn’t included in the box, a trend Samsung has regrettably continued.

Software-wise, the phone runs One UI 4 based on Android 12, offering a clean, intuitive interface. Samsung’s DeX mode transforms the Note 21 Ultra into a desktop-like experience when connected to a monitor, making it a viable laptop replacement for light productivity tasks. The inclusion of Samsung Knox ensures robust security, while regular software updates promise longevity.

Connectivity options are comprehensive, with 5G support, Wi-Fi 6E, Bluetooth 5.2, and Ultra Wideband (UWB) for precise location tracking. The under-display ultrasonic fingerprint sensor is fast and reliable, though facial recognition works equally well in most conditions.

Here’s a detailed look at the Samsung Galaxy Note 21 Ultra specifications:

Display: 6.9-inch Dynamic AMOLED 2X, 3200 x 1440 resolution, 120Hz adaptive refresh rate, HDR10+, 1500 nits peak brightness

Processor: Exynos 2200 / Snapdragon 8 Gen 1 (region-dependent)

RAM: 12GB / 16GB LPDDR5

Storage: 256GB / 512GB / 1TB UFS 3.1 (non-expandable)

Rear Cameras: 108MP wide (f/1.8), 12MP ultra-wide (f/2.2, 120°), 10MP periscope telephoto (f/4.9, 10x optical zoom), 10MP telephoto (f/2.4, 3x optical zoom)

Front Camera: 40MP (f/2.2)

Battery: 5,000mAh, 45W wired charging, 15W wireless charging, 4.5W reverse wireless charging

OS: Android 12 with One UI 4

S Pen: 2.8ms latency, Bluetooth-enabled, Air Actions support

Connectivity: 5G, Wi-Fi 6E, Bluetooth 5.2, NFC, UWB, USB-C

Durability: IP68 water and dust resistance, Gorilla Glass Victus (front and back), aluminum frame

Dimensions: 165.1 x 75.6 x 8.9 mm, 208g

Colors: Phantom Black, Phantom Silver, Phantom Green

In conclusion, the Samsung Galaxy Note 21 Ultra is a triumph of engineering, blending top-tier hardware with thoughtful software enhancements. It’s not just a phone for power users or creatives—it’s a device that redefines what a smartphone can be. While the high price tag may give some pause, those who invest in it will find a tool that excels in every conceivable scenario, from productivity to entertainment. If you’re looking for the ultimate all-in-one device, the Note 21 Ultra is hard to beat.

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