Added 02.21.20 | Updated 01.13.22

Key Features of the LG K51S

  • Model: K51S
  • Brand: LG
  • Rating: 3.00 out of 5 (11 votes)
  • Release Date:  February 18, 2020
  • Price: $ 220
  • Processor: Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Storage and memory
  • Screen: IPS LCD 6.55 in
  • Main Camera:  Quad, 32MP
  • Selfie Camera:  Single, 13MP

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LG K51S specs

Common | Price | Design | Screen | Hardware | Memory | Software | Main Camera | Selfie camera | Cellular | Connectivity | Battery | Audio | Sensors | Performance Benchmark

LG K51S Release dateCommon

Brand and model


Launch date

18 February 2020

LG K51S PricePrice

First price

$ 220

LG K51S dimension, size, weightDesign


6.5 in (165.2 mm)


3.02 in ( 76.7 mm)


0.33 in ( 8.3 mm)


5.83 oz (165.2 grams)

Water resistant

MIL-STD-810G compliant


Titanium, Pink, Blue, Red


Buy a case from Amazon

LG K51S screenScreen

Technology IPS LCD

6.55 in

Screen Area

93.6 cm2


720 x 1600 px

Points per inch

282 PPI

Color Depth


Ratio (height:width)


Ratio (screen:body)


Screen Protection

Scratch-resistant glass

Screen protector

Buy a screen protector from Amazon

LG K51S ProcessorHardware


- Mediatek MT6765 Helio P35 (12nm)


- Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)


- PowerVR GE8320

LG K51S Memory and storageMemory

Internal Memory


Memory Card Slot

microSDXC (dedicated slot)

LG K51S SoftwareSoftware

Operating System (OS)

Android 9.0 (Pie)

User Interface

LG K51S main camera specsMain Camera

Number of Cameras



-32 MP, (wide), PDAF
-5 MP, f/2.2, 115°, (ultrawide)
-2 MP, f/2.4, (macro)
-2 MP, f/2.4, (depth)


LED flash, panorama, HDR

Video Recording 1080p@30fps

LG K51S selfie camera specsSelfie camera

Number of Cameras



-13 MP

Video Recording 1080p@30fps

LG K51S Cellular BandsCellular

Bands GSM / HSPA / LTE
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
-3G - HSDPA 850 / 900 / 1900 / 2100
-4G - LTE (unspecified)
SIM Card Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by)
Speed HSPA 42.2/5.76 Mbps, LTE-A

LG K51S wifi bluetooth gps nfcConnectivity

Wi-Fi Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, DLNA, hotspot
Bluetooth 5.0, A2DP, LE
GPS Yes, with A-GPS
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go

LG K51S Battery type and CapacityBattery


4000 mAh


 Non-removable Li-Po



LG K51S sound and multimediaAudio

Headphone Jack Yes
Radio No


Fingerprint (rear-mounted), accelerometer, proximity, compass

Other specifications


Performance Benchmark

LG K51S antutu score Antutu Score

Antutu 8 Score103232 (Position 891 out of 1145)

See the page LG K51S Antutu where you will find details about the Antutu result of the device, rankings, and similar models

LG K51S geekbench ScoreGeekbench Score

GeekBench 5 Single Core149 (Position 1614 out of 1884)
GeekBench 5 Multi-Core1078 (Position 1236 out of 1873)

See the page LG K51S Geekbench where you will find details about the Geekbench result of the device, rankings, and similar models.

Disclaimer: This information is based on public data and official specifications from LG. However, there may be differences in specifications.

Compare LG K51S with other models:

Review of LG K51S

At the beginning of 2020, LG's K series of smartphones was enriched with three models at the same time, among which the LG K51S device. It deserves your attention for several reasons. Although it is slightly inferior to its top sibling LG K61, this smartphone boasts a lot of features, quality craftsmanship and an artificial intelligence system. In the market, you will find it in three colours - dark grey, pink and blue.
Read the entire review

LG K51S video reviews

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LG K51S Reviews and Opinions

Rate this smartphone
3.00 / 5

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Frequently Asked Questions

How much does LG K51S cost?

The price of the LG K51S varies based on the specific model and storage capacity. As of the latest update, the base model starts at $ 220. Prices increase for models with larger storage capacity and additional features.

When did the LG K51S come out?

LG K51S mobile was launched on February 18, 2020 in these colors: Titanium, Pink, Blue, Red.

What is the size and weight of LG K51S ?

The LG K51S has dimensions of Height: 165.2 mm Width: 76.7 mm Thickness: 8.3 mm and weighs approximately 165.2 grams.

What is the screen size and resolution of LG K51S?

When measured as a standard rectangular shape, the screen is 6.55 inches diagonally offering a resolution of 720 x 1600 px at a pixel density of 282 ppi.

How much memory and storage does a LG K51S have?

Device comes with chipset Mediatek MT6765 Helio P35 (12nm) with processor Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53). LG K51S is available with internal memory of 64GB 3GB RAM.

What are the main camera specifications and megapixels of the LG K51S?

The device have a Quad rear camera setup with specs of 32 MP, (wide), PDAF 5 MP, f/2.2, 115°, (ultrawide) 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) and features like LED flash, panorama, HDR

What are the front camera specs and MP of the LG K51S?

The device comes with Single front camera setup with specs of 13 MP and features like