Samsung Galaxy S9 vs LG K51 Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.8 inches

6.5 inches

Resolution:

2960 x 1440 pixels, 18.5:9 ratio, 568 PPI

1560 x 720 pixels, 19.5:9 ratio, 264 PPI

Technology:

Super AMOLED

IPS LCD

Screen-to-body:

84.36 %

79.70 %

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 845 SDM845 (10 nm)

MediaTek Helio P22 MT6762 (12 nm)

Processor:

Octa-core, 2800 MHz, Kryo 385, 64-bit

Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit

GPU:

Adreno 630

IMG PowerVR GE8320

RAM:

4GB LPDDR4

3GB

Internal storage:

64GB

32GB, available to use: 18 GB

Storage expansion:

microSDXC up to 400 GB

microSDXC up to 2000 GB

Device type:

Smartphone

OS:

Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI

Android (10)

Battery

Capacity:

3000 mAh

4000 mAh

Type:

Li - Ion, Not user replaceable

Charging:

Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging

Camera

Rear:

Single camera

Triple camera

Main camera:

12 MP (OIS, PDAF)

13 MP (PDAF)

Specifications:

F1.5/F2.4; 1/2.55"; 1.4 μm

F1.8; 1/3"; 1.12 μm

Second camera:

5 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Third camera:

2 MP (Depth information)

Specifications:

Sensor size: 1/5"; Pixel size: 1.75 μm

Flash:

LED

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, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing

Picture-taking during video recording

Front:

8 MP (Autofocus, HDR)

13 MP

Video capture:

2560x1440 (QHD) (30 fps)

1920x1080 (Full HD)

Design

Dimensions:

5.81 x 2.70 x 0.33 inches (147.7 x 68.7 x 8.5 mm)

6.57 x 3.07 x 0.33 inches (166.9 x 77.9 x 8.4 mm)

Weight:

5.75 oz (163.0 g)

7.17 oz (203.4 g)

Materials:

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

Resistance:

Water, Dust; IP68

Yes; MIL-STD-810 certified

Biometrics:

Iris scanner, 2D Face unlock, Fingerprint (touch)

Fingerprint (touch)

Features:

Notification light

Keys:

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

Left: Volume control; Right: Lock/Unlock key

Colors:

Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue

Titan gray

Cellular

4G (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)

4G (TDD):

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

Bands 41(2600+)

3G:

Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA

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

SIM type:

Nano SIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack

Speakers:

Earpiece, Multiple speakers

Features:

32-Bit DAC, aptX-HD

DTS:X Virtual Surround

Screen mirroring:

Wireless screen share

Radio:

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0

Wi-Fi:

802.11 a, b, g, n, ac, 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

GPS, A-GPS, Cell ID, Wi-Fi positioning

Sensors:

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

Accelerometer, Gyroscope, Compass

Other:

NFC, ANT+

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jan 11, 2018

Jun 16, 2020

FCC ID value:

A3LSMG960U

ZNFL555DL

Measured SAR:

Head:

0.35 W/kg

0.66 W/kg

Body:

0.96 W/kg

1.20 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

0.95 W/kg

1.27 W/kg

Phablet:

3.96 W/kg

Buyers information

Price:

$ 720

$ 200

User Manual:

This is the official LG K51 User Guide in English provided from the manufacturer.

In The Box:

Charger, USB Cable, SIM Ejector

Availability

Officially announced:

Feb 25, 2018

May 06, 2020

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