Samsung Galaxy A51

The Samsung Galaxy A51, launched on December 16, 2019, offers a mid-range experience with a focus on camera capabilities and a vibrant display.

Build Quality

The Galaxy A51 measures 158.5 mm in height, 73.6 mm in width, and 7.9 mm in depth, weighing 172 grams. It is constructed with a plastic build, a common choice for phones in this price range. The design includes a hole-punch notch for the front-facing camera, contributing to a modern, almost frameless look. The phone is available in "Prism Crush" finishes: Black, White, Blue, and Pink.

Screen Quality

The device boasts a 6.5-inch Super AMOLED display with a resolution of 1080 x 2400 pixels, resulting in a pixel density of approximately 405 ppi. The AMOLED technology ensures vibrant colors and deep blacks, characteristics of higher-end displays. The screen features a 19.5:9 aspect ratio and is protected by a scratch-resistant layer. It supports multi-touch functionality. There's no HDR support and the refresh rate is standard 60Hz.

Camera Performance

The rear camera system is a quad-camera setup:

• Main Camera: A 48MP sensor (Sony IMX582 Exmor RS) with an f/2.0 aperture, 0.80µm pixel size, and 1/2" sensor size. It uses 2x2 pixel binning.
• Ultra-Wide Camera: A 12MP sensor with an f/2.2 aperture and 1.12µm pixel size.
• Depth Sensor: A 5MP sensor with an f/2.2 aperture and 1.12µm pixel size, used for portrait mode.
• Macro Camera: A 5MP sensor with an f/2.4 aperture and 1.12µm pixel size.

The rear camera setup provides 4K video recording at 30fps with EIS, along with 1080p recording at 30fps with EIS and 120fps. Features include autofocus, touch focus, continuous shooting, geotagging, HDR, face detection, and various scene modes.

The front-facing camera is a 32MP sensor (Sony IMX616) with an f/2.2 aperture, 0.80µm pixel size, and 1/2.8" sensor size using 2x2 pixel binning for better low-light photos.

Software Experience

The Galaxy A51 originally shipped with Android 10 and has received updates up to Android 13. The device is powered by Samsung's One UI, which offers various customizations and features. It also includes a variety of sensors such as an accelerometer, gyroscope, compass, and an under-display fingerprint sensor.

Battery Performance

The phone is powered by a 4000mAh Li-Polymer battery, which supports 15W fast charging. It is non-removable.

Hardware and Performance

The A51 is equipped with a Samsung Exynos 9611 (10 nm) chipset, featuring an Octa-core CPU (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) and a Mali-G72 MP3 GPU. It offers either 4 GB, 6 GB, or 8GB of LPDDR4X RAM, along with 64, 128, or 256GB of storage depending on the model. The Antutu v8 score is around 179,753, which is not very high but in line with its mid-range status. It also has a variety of sensors like Fingerprint, Proximity, Light sensor, Accelerometer, Compass, and Gyroscope. There is no SD card slot.

Connectivity

The device supports dual SIM (Nano-SIM) functionality with Dual Standby. It offers a variety of Wi-Fi options, including 802.11a/b/g/n/ac, along with Bluetooth 5.0 with a comprehensive list of profiles. GPS functionality includes A-GPS, GLONASS, Beidou, and Galileo. It also has NFC. The USB-C port supports USB 2.0, OTG, and charging.

Value for Money

The Samsung Galaxy A51 falls into the medium price category. Prices vary by region and configuration. 4GB/128GB model prices have ranged from approximately $122.64 to $202.72. The 6GB/128GB version has been seen at around $166.12. The combination of a Super AMOLED display, versatile camera system, and Samsung's software experience makes the phone an option for those looking for a capable mid-range device.