Galaxy A51 vs Galaxy S10E: Which Should You Buy?

The Galaxy A51 is a mid-range phone that succeeded the Galaxy A50, while the Galaxy S10E was launched as a more considered option compared to the Galaxy S10 models. Both Samsung phones offer 128 GB memory and similar design, marked by the absence of a notch and the front camera on the screen, but differ in the datasheet, camera, and battery. This text presents the similarities and differences in specifications and prices.

The Galaxy A51 was announced in January, but can already be seen for prices in the range of $399.46. The Galaxy S10E arrived in April 2019, but it is already seen values in the range of $599.77.

Galaxy A51 vs Galaxy S10E

Galaxy A51Galaxy S10E
LaunchJanuary 2020April 2019
Current pricefrom $399.46from $599.77
Screen6.5 inches5.8 inches
Screen resolutionFull HD + (2400 x 1080 pixels)Full HD + (2280 x 1080 pixels)
ProcessorExynos 9611Exynos 9820
Storage128 GB128 GB
Memory cardYes, microSD up to 512 GBYes, microSD up to 512 GB
Main cameraQuad Camera: 48, 12, 5, and 5 megapixelsDual Camera: 12 and 16 MP
Front camera (selfie)32 MP10 MP
Operating systemAndroid 10Android 9 (Pie)
Battery4,000 mAh3,100 mAh
Telephonynano YESnano YES
Dimensions and weight158.5 x 73.6 x 7.9 mm; 172 g142.2 x 69.9 x 7.9 mm; 150 g
ColorsBlue, black and whiteBlack, white, blue, and yellow
Source: Samsung

Screen and Design

Galaxy S10e

The Galaxy S10E features smaller and more compact dimensions, a 5.8-inch screen with a Dynamic AMOLED panel, Full HD+ resolution (2280 x 1080), and a density of 435 PPI. The smartphone also offers the Always On Display function, which shows information using as little power as possible.

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The Galaxy A51’s display features a 6.5-inch Super AMOLED screen, Full HD+ resolution (2400 x 1080), and a lower density of 405 PPI. The device has Gorilla Glass 3 protection against falls and scratches, while the Galaxy S10E has Gorilla Glass 5 protection.

Regarding the design, both feature no notch, and the front camera in a hole inside the screen. The devices are highlighted by their thin edges and elongated body, which can facilitate handling and allow a larger usable area of the panel. The Galaxy A51’s fingerprint biometrics are integrated into the screen itself while the Galaxy S10E’s sensor is located on the side of the smartphone.


Galaxy A51

Concerning the camera, the Galaxy A51 should take the lead. The device has a quadruple rear camera, consisting of a 48 MP main angle lens and f/2.0 aperture, an ultra-wide 48 MP and f/2.2 aperture sensor, a 5 MP macro lens, and f/2.4 aperture, and a 3D sensor with 5 MP and f/2.2 aperture. The front camera is 32 MP (f/2.2) and allows taking selfies with more open angles.

The Galaxy S10E comes with a dual camera at the rear, a 12 MP main lens with a variable aperture from f/1.5 to f/2.4, and an ultra-wide 16 MP and f/2.2 aperture lens, which allows for capturing more open images. The front camera is 10 MP (f/1.9). The camera has optical stabilization and slow motion up to 960 fps (frames per second), while the Galaxy A51 has digital stabilization and slow-motion 240 fps.

Both are capable of recording at 4K (2160p) at a speed of 30 fps on the Galaxy A51 and 60 fps on the Galaxy S10E. Smartphones also record at 4K from the front camera and include an HDR system, which aids in recording with more evident contrast.

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Performance and Storage

Galaxy A51

The Galaxy A51 has a mid-range datasheet, with Exynos 9611 processor (octa-core up to 2.3 GHz). The 4 GB RAM should meet the demand for basic applications such as social networking, music, and email. The Galaxy S10E comes with a more advanced datasheet, with 6 GB RAM and Exynos 9820 chip (octa-core up to 2.7 GHz).

Regarding storage, they have 128 GB of memory and allow expansion by microSD card of up to 512 GB.


The battery of Galaxy A51 is 4,000 mAh, enough to withstand up to 15 hours of continuous 4G use, 16 hours of Wi-Fi, and 20 hours of video playback, according to the manufacturer. The Galaxy S10E comes with a 3,100 mAh component that also promises a whole day away from the outlets.

The models are compatible with 15W fast charging and the Galaxy S10E also comes with Wireless PowerShare for reverse charging, which allows you to charge an accessory or device by leaning against the back of the device.

Android Version and Additional Features

The S10E came out of the factory with Android 9 (Pie) and can be upgraded to Android 10, while the A51 comes with Android 10 and the One UI 2.0 interface.

They bring compatibility with Bluetooth 5.0, and NFC (proximity communication), besides a compass, proximity sensor, and digital reader. Only the Galaxy S10E comes with Wi-Fi 6 (802.11 ax) compatibility and the USB-C input is type 3.1. The Galaxy A51 is Wi-Fi compatible with 802.11 a/b/g/n/ac tracks and has USB-C 2.0 input.

Price and Availability

The two smartphones have gone through great price reductions since their launch. The Galaxy A51 was launched in the colors blue, black, and white and, currently, can be found for values from $399.46 online retail. The Galaxy S10E arrived in the colors black, white, blue, and yellow and can already be seen in the range of $599.77.

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