Body and Design
The Galaxy S21 Ultra 128GB showcases a premium metal frame with Gorilla Glass Victus front and back. It measures 165.1 × 75.6 × 8.9mm and weighs 227g. Its Contour Cut camera housing blends seamlessly into the frame, available in Phantom Black, Phantom Silver, and Navy.
Display
It features a stunning 6.8-inch QHD+ Dynamic AMOLED 2X display with adaptive 120Hz refresh rate, HDR10+ support, and a peak brightness of 1500 nits. Colors are vibrant and sharp, making it one of the best screens on any smartphone.
Camera System
The S21 Ultra’s quad-camera setup includes a 108MP wide lens, 12MP ultra-wide, 10MP 3x telephoto, and 10MP 10x periscope telephoto. Capable of 100x Space Zoom, 8K video, and incredible low-light performance, it’s built for professional photography and video.
Performance
Powered by the Exynos 2100 or Snapdragon 888 processor (depending on region) and 12GB RAM, the S21 Ultra delivers unmatched multitasking and gaming performance. Its vapor chamber cooling system ensures sustained peak output.
Operating System
The phone launched with Android 11 and is now upgradeable to Android 14 with One UI 6. It delivers smooth animations, improved customization, enhanced multitasking, and extended security support from Samsung.
Storage and Memory
Comes with 128GB of internal UFS 3.1 storage and 12GB RAM. While there’s no microSD slot, the storage and memory combination easily handles large files, 8K videos, and demanding apps.
Battery and Charging
Equipped with a 5000mAh battery, the S21 Ultra offers all-day endurance. Supports 25W fast charging, 15W wireless charging, and 4.5W reverse wireless charging to power accessories like Galaxy Buds.
Connectivity and Sensors
Connectivity options include 5G, Wi-Fi 6E, Bluetooth 5.2, NFC, GPS, and USB Type-C. It features an ultrasonic fingerprint sensor, accelerometer, barometer, gyro, proximity, and compass for enhanced security and usability.
Pros and Cons
Pros
- Brilliant QHD+ 120Hz AMOLED display
- Outstanding camera performance with 100x zoom
- Flagship build quality and design
- Fast and responsive performance
- S Pen support (sold separately)
Cons
- No charger included in the box
- No expandable storage
- Slightly heavy and bulky
Verdict
The Samsung Galaxy S21 Ultra 128GB is a premium flagship for users who demand cutting-edge performance, pro-level photography, and stunning display quality. Perfect for professionals and tech enthusiasts who want the best of Samsung innovation.
