LG K51S vs Galaxy A30: Which Should You Buy?

The LG K51s is a mobile phone from LG’s midrange that rivals Samsung’s Galaxy A30. The smartphones come with 64 GB of storage and 4,000 mAh of battery. However, they differ in the camera, processor, and screen. See the differences in the technical specifications and price of the phones in the following lines.

LG K51S vs Galaxy A30

LG K51SGalaxy A30
LaunchJune 2020April 2019
Current price$329From $251
Screen6.5 inches6.4 inches
Screen resolutionHD + (1600 x 720 px)Full HD + (2340 x 1080 px)
ProcessorMediaTek (octa-core up to 2.3 GHz)octa-core up to 1.8 GHz
Storage64 GB64 GB
Memory cardyes, micro SD up to 2 TByes, microSD up to 512 GB
Main cameraQuad Camera: 32, 5, 2, and 5 MPDual Camera: 16 and 5 MP
Front Camera13 MP16 MP
Battery4,000 mAh4,000 mAh
Operating systemAndroid 9 (Pie)Android 9 (Pie)
Dimensions and weight165.2 x 76.7 x 8.3 mm; 194.5 g158.5 x 74.7 x 7.7; 165 g
Available colorstitanium and redblue, black, and white
Source: LG and Samsung

Screen and Design

The two mobile phones are different in appearance. The LG K51S has no notch. It comes with the front camera in a hole inside the screen in the top left corner. The Galaxy A30 presents the cutout in the form of a drop.

The release comes with a slightly larger display. LG’s phone has 6.5 inches TFT with HD+ resolution (1600 x 720 pixels). The Galaxy A30 has 6.4 inches, but its display is Super AMOLED with Full HD+ resolution (2340 x 1080 pixels).

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The Galaxy A30 is available in blue, black, and white, while LG’s device comes in titanium and red.


Galaxy A30

LG’s smartphone features a quad-camera divided as follows:

  • 32 MP main
  • Ultra-wide 5 MP
  • 2 MP Macro
  • 5 MP depth sensor

The Galaxy A30 has only two sensors at the rear: an ultra-wide (123º) with 5 MP and the main one with 16 MP. For selfies, the Galaxy has a 16 MP front sensor, while the LG K51S comes with 13 MP.

Performance and Storage


The LG K51S comes with a MediaTek MT 6765 processor, which has a speed of up to 2.3 GHz. Although Samsung’s chip is also eight-core, it reaches only 1.8 GHz speed.

However, the Galaxy A30 comes with larger RAM, counting 4 GB, while the competitor brings 3 GB. Both devices have 64 GB of storage and both have microSD card input. While the Galaxy can expand up to 512 GB, the LG goes up to 2 TB.


Both smartphones have the same battery capacity: 4,000 mAh. Therefore, in both cases, the user should be able to spend a working day without charging the phone.

Android and Additional Features

Galaxy A30

The LG K51S leaves the factory with Android 9 (Pie), which originally came in the Galaxy A30. However, Samsung’s mobile phone has already received the update for Android 10, while LG’s device has not yet been contemplated with the update for the most recent version of Google’s system.

Both devices feature Bluetooth 5.0 and fingerprint biometrics installed on the back. In the case of the Galaxy A30, still features facial recognition. Samsung’s device also draws attention to the presence of Digital TV, which does not depend on the user’s data package.

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The LG smartphone also brings a 3D audio system with the promise of movie sound immersion.

Price and Availability

LG K51S was launched in June, and can already be found for $329. The Galaxy A30 was launched in February, but today it can be acquired for values in the range of $251 in electronic commerce.

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