Redmi Note 8 vs Galaxy A51: Which Should You Buy?

Redmi Note 8 and Galaxy A51 are mobile phones from the Xiaomi and Samsung mid-range brands. Redmi Note 8 arrived in November 2019 and can currently be found in blue, white, and black and is been sold for $166 while Galaxy A51 landed in January and is available in three colors: black, white, and blue can be bought for $273. Both attract the interest of the public. So, know the similarities and differences of specifications in the lines below.

Redmi Note 8 vs Galaxy A51 Features

Redmi Note 8Galaxy A51
LaunchNovember 2019January 2020
Current price$166$273
Screen6.3 inches6.5 inches
Screen resolutionFull HD + (2340 x 1080 pixels)Full HD + (1080 x 2400 pixels)
ProcessorSnapdragon 665Exynos 9611
Storage64 and 128 GB128 GB
Memory cardMicroSD up to 256 GBMicroSD up to 512 GB
Main cameraQuad camera: 48, 8, 2, and 2 megapixelsQuad camera: 48, 12, 5, and 5 megapixels
Front Camera13 megapixels32 megapixels
Operating systemAndroid 9 (Pie)Android 10
Battery4,000 mAh4,000 mAh
Dimension and weight158.3 x 75.3 x 8.35 mm and 190g158.5 x 73.6 x 7.9 mm and 172g
Colorsblue, white, and blackblack, white, and blue
Source: Xiaomi and Samsung

Canvas and Design

Redmi Note 8 and Note 8 Pro
Redmi Note 8 and Note 8 Pro

The Galaxy A51 features a 6.5-inch display, repeating the camera inside the screen previously seen on the Galaxy S10. The resolution of the Super AMOLED panel is Full HD and has fingerprint integrated into the screen.

The Redmi Note 8 has a smaller size compared to the Galaxy A51. The LCD screen is 6.3 inches and has Full HD resolution. The smartphone is Tüv Rheinland Eye Confort certified for less blue light. Another different aspect of the mobile phone’s design is the presence of a notch in drop format in the Chinese phone.

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Both mobile phones have quadruple-camera, but there are occasional differences in the camera set. Redmi Note 8 has a main camera with 48 MP and f/1.79 aperture. The phone also has an 8 MP sensor that is present in the ultra-wide-angle camera with f/2.2 aperture. In the telephoto and ultra-macro lenses, the sensors are 2 MP and f/2.4 aperture.

On the front, the camera features pixels of up to 13 MP. Among the features of the photo, the scene detection features with Artificial Intelligence and the Portrait Mode are noteworthy.

Galaxy A51’s cameras also feature sensors up to 48 MP. However, the ultra-wide one has 12 MP, followed by 5 MP in the macro and depth cameras. The South Korean smartphone has a 32 MP front camera.

Performance and Storage

Galaxy A51
Galaxy A51

While the Galaxy A51 features the Exynos 9611 processor, an octa-core chip that reaches up to 2.3 GHz speed, Redmi Note 8 comes with Qualcomm’s Snapdragon 665, eight cores, and up to 2.0 GHz speed.

Both feature 4 GB of RAM, but the successor to the Galaxy A50 has only one storage option: 128 GB with the ability to expand via a microSD card up to 512 GB. The Xiaomi smartphone can be found in 64GB and 128GB versions with support for up to 256GB memory card.

Redmi Note 8 features an Adreno 610 graphics card, which is expected to make gaming and heavy-duty applications more fluid. The Galaxy A51 has the Game Booster, which according to Samsung learns the standards of use to optimize the battery, temperature, and memory, and offers an experience with smooth graphics and realistic movements.

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The battery capacity is the same for both phones. The 4,000 mAh components guarantee the durability of the batteries that also have the technology of fast charging, with the power of 18 W on the Xiaomi smartphone and 15 W for the Samsung phone.

However, if the Redmi Note 8 user wants fast charging, they should purchase an adapter with the specifications, as the device comes from the factory with only the 10 W option in the original charger.

Android Version

As with the processor, the factory version of Android is different on both phones. The Samsung Galaxy A51 comes with Android 10 in the One UI version, while Redmi Note 8 comes with Android 9 (Pie) with a custom MIUI interface.

Additional features

Redmi Note 8 features Bluetooth 4.2, a specification that went backward compared to the previous model of the line. The Galaxy A51, besides the Bluetooth 5.0 version, has the advantages of Digital TV and NFC, a tool that enables payments with Samsung Pay.

Unlike Samsung’s mobile phone which integrates the fingerprint on the screen, Redmi Note 8 brings the sensor in the back. The highlight of additional features in Xiaomi is a function installed in the device’s speakers that optimizes cleaning using a low-wave sound frequency.

Price and Availability

The Galaxy A51 is available in the online market for about $273.

Redmi Note 8 is available for $166 in the 64 GB version.

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