Samsung Galaxy S10 vs LG K51

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Display

Size

6.1 inches
6.5 inches

Resolution

3040 x 1440 pixels, 19:9 ratio,
550 PPI
1560 x 720 pixels, 19.5:9 ratio,
264 PPI

Technology

Dynamic AMOLED
IPS LCD

Screen-to-body

88.66 %
79.70 %

Features

HDR video support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip

Qualcomm Snapdragon 855
MediaTek Helio P22 MT6762

Processor

Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm

GPU

Adreno 640
IMG PowerVR GE8320

RAM

8GB LPDDR4
3GB

Internal storage

128GB
32GB, available to use: 18 GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 2000 GB

Device type

Smartphone
Smartphone

OS

Android (10, 9.0 Pie), Samsung One UI
Android (10)

Battery

Capacity

3400 mAh
4000 mAh

Type

Li - Ion, Not user replaceable
Li - Ion, Not user replaceable

Battery life test results

 

Charging

Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
 

Camera

Rear

Triple camera
Triple camera

Main camera

12 MP (OIS, PDAF)
13 MP (PDAF)

Specifications

Aperture size: F1.5/F2.4; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm

Second camera

12 MP (Telephoto, OIS, PDAF)
5 MP (Ultra-wide)

Specifications

Optical zoom: 2x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Third camera

16 MP (Ultra-wide)
2 MP (Depth information)

Specifications

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/3.1"; Pixel size: 1 μm
Sensor size: 1/5"; Pixel size: 1.75 μm

Video recording

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
1920x1080 (Full HD)

Features

HDR, Time-lapse video, Hyperlapse, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing
Picture-taking during video recording

Front

10 MP (Autofocus, HDR)
13 MP

Design

Dimensions

5.90 x 2.77 x 0.31 inches (149.9 x 70.4 x 7.8 mm)
6.57 x 3.07 x 0.33 inches (166.9 x 77.9 x 8.4 mm)

Weight

5.54 oz (157.0 g)
the average is 6.3 oz (179 g)
7.17 oz (203.4 g)
the average is 6.3 oz (179 g)

Materials

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
 

Resistance

Water, Dust; IP 68
Yes; MIL-STD-810 certified

Biometrics

2D Face unlock, Ultrasonic in-screen fingerprint
Fingerprint (touch)

Keys

Left: Volume control, Other; Right: Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key

Colors

Prism blue, Prism black, Prism white, Prism green, Flamingo pink
Titan gray

Cellular

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 66(AWS-3), 71(600)

LTE (TDD)

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
Bands 41(2600+)

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed

LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
Yes

VoLTE

 
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features

32-Bit DAC, Dolby Atmos, aptX-HD
DTS:X Virtual Surround

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
FM

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

802.11 a, b, g, n, ac, ax, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB

Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0

Features

Charging, OTG, Video out
Charging

Location

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Cell ID, Wi-Fi positioning

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Heart rate, Barometer
Accelerometer, Gyroscope, Compass

Other

NFC, ANT+
 

Hearing aid compatible

M4, T4
M3, T3

Regulatory Approval

FCC approval

 
 

Date approved

Feb 01, 2019
 

FCC ID value: A3LSMG973U link
 

Measured SAR

 
 

Head

0.39 W/kg
 

Body

1.37 W/kg
 

Simultaneous Transmission

1.59 W/kg
 

Wireless Router

1.35 W/kg
 

Phablet

3.99 W/kg
 

Buyers information

Price

$ 900
$ 200

User Manual

 
Download the LG K51 Manual as a PDF file.

In The Box

Data cable, Travel adapter, Ejection Pin, USB Connector (OTG), Earphones by AKG, Quick Start Guide, Protective film
Charger, USB Cable, SIM Ejector

Availability

Officially announced

Feb 20, 2019
May 06, 2020
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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