LG Stylo 4 vs LG K51

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

Display

Size:

6.2 inches
6.5 inches

Resolution:

2160 x 1080 pixels, 18:9 ratio, 390 PPI
1560 x 720 pixels, 19.5:9 ratio, 264 PPI

Technology:

TFT
IPS LCD

Screen-to-body:

79.63 %
79.70 %

Features:

Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 450 SDM450
MediaTek Helio P22 MT6762

Processor:

Octa-core, 1800 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit, 12 nm

GPU:

Adreno 506
IMG PowerVR GE8320

RAM:

3GB LPDDR3
3GB

Internal storage:

32GB, available to use: 21.38 GB
32GB, available to use: 18 GB

Storage expansion:

microSDXC up to 2000 GB
microSDXC up to 2000 GB

Device type:

Smartphone
Smartphone

OS:

Android (9.0 Pie, 8.1 Oreo), LG UX UI
Android (10)

Battery

Capacity:

3300 mAh
4000 mAh

Type:

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

Charging:

Qualcomm Quick Charge 2.0, Qualcomm Quick Charge 3.0

Camera

Rear:

Single camera
Triple camera

Main camera:

13 MP (PDAF)
13 MP (PDAF)

Specifications:

Aperture size: F2.2
Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 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

Video recording:

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD)

Features:

Picture-taking during video recording, Video light, EIS, Video calling, Video sharing
Picture-taking during video recording

Front:

5 MP (Autofocus, HDR)
13 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.30 x 3.06 x 0.32 inches (160 x 77.7 x 8.1 mm)
6.57 x 3.07 x 0.33 inches (166.9 x 77.9 x 8.4 mm)

Weight:

6.07 oz (172.0 g)
7.17 oz (203.4 g)

Materials:

Back: Metal

Resistance:

Yes; MIL-STD-810 certified

Biometrics:

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

Features:

Notification light, Stylus

Keys:

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

Colors:

Black
Titan gray

Cellular

LTE (FDD):

Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 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), 41(2600+)
Bands 41(2600+)

UMTS:

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

Data Speed:

LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSPA, HSUPA, UMTS
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, Loudspeaker
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
DTS:X Virtual Surround

Screen mirroring:

DLNA, Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
5.0

Wi-Fi:

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

USB:

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

Features:

Charging, Mass storage device
Charging

Location:

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

Sensors:

Accelerometer, Compass
Accelerometer, Gyroscope, Compass

Other:

NFC, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync

Hearing aid compatible:

M4, T3
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jun 16, 2020

FCC ID value:

ZNFL555DL

Measured SAR:

Head:

0.66 W/kg

Body:

1.20 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.27 W/kg

Phablet:

3.96 W/kg

Buyers information

Price:

$ 300
$ 200

User Manual:

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

In The Box:

USB Cable, Charger, Quick Start Guide, SIM Ejection tool
Charger, USB Cable, SIM Ejector

Availability

Officially announced:

May 06, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless