Samsung Galaxy S21 Technical Specifications
Year of release: 2021
Screen: 6.2-inch Dynamic AMOLED 2X, resolution 2400 x 1080 pixels (FHD+, 421 ppi), 120Hz adaptive refresh rate, 1300 nits peak brightness, HDR10+, Corning Gorilla Glass Victus
Processor: Samsung Exynos 2100 / Qualcomm Snapdragon 888 octa-core
Storage: 128GB or 256GB UFS 3.1
RAM: 8GB LPDDR5
Design
The Samsung Galaxy S21 has the so-called Contour Cut camera design that blends seamlessly into the aluminum frame. The back is made of high-quality polycarbonate (Glasstic) with a matte finish to reduce fingerprints. The device measures 151.7 x 71.2 x 7.9 mm and weighs 169 grams. The housing has an IP68 certification for dust and water resistance (immersion up to 1.5 meters deep for 30 minutes) and uses an ultrasonic fingerprint scanner under the display.
Display
The 6.2-inch Dynamic AMOLED 2X display offers vibrant colors and sharp contrasts with a Full HD+ resolution of 2400 x 1080 pixels. The adaptive refresh rate automatically switches between 48Hz and 120Hz for an optimal balance between smooth images and battery savings. With a peak brightness of 1300 nits, the screen remains easy to read in direct sunlight.
Performance
Powered by the Exynos 2100 or Qualcomm Snapdragon 888 processor on a 5nm process, combined with 8GB LPDDR5 RAM. This configuration delivers fast performance for daily tasks, multitasking and mobile games. The smartphone has 128GB or 256GB of internal UFS 3.1 storage. The memory is not expandable via a microSD card.
Battery and Ports
The device is equipped with a 4000 mAh lithium-ion battery. Charging is via the USB Type-C 3.2 port with support for 25W wired fast charging (USB Power Delivery 3.0), 15W wireless charging and 4.5W Reverse Wireless Charging (Wireless PowerShare). Wireless connectivity includes Wi-Fi 6, Bluetooth 5.0, 5G, NFC, stereo speakers tuned by AKG with Dolby Atmos and support for Samsung DeX.