LG Stylo 4 vs LG K51

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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 & Performance

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
32GB

Storage expansion

microSDXC up to 2000 GB
microSDXC up to 2000 GB

OS

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

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
 

Stand-by time (hours)

480 hours
588 hours

Camera

Rear

Single camera
Triple camera

Main camera

13 MP (PDAF)
13 MP (PDAF)

Specifications

Aperture size: F2.2
Aperture size: F1.8

Second camera

 
5 MP (Ultra-wide)

Specifications

 
Aperture size: F2.2

Third camera

 
2 MP (Depth information)

Video recording

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

Features

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

Front

5 MP (Autofocus, HDR)
13 MP

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 (166.96 x 77.92 x 8.47 mm)

Weight

6.07 oz (172 g)
the average is 6.5 oz (184 g)
7.20 oz (204 g)
the average is 6.5 oz (184 g)

Materials

Back: Metal
 

Biometrics

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

Features

Notification light, Stylus
 

Colors

Black
Black

Cellular

Carrier locked phone

 
Yes

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), 4(AWS-1), 5(850), 12(700 a), 14(700 PS), 25(1900+), 26(850+), 66(AWS-3), 71(600)

LTE (TDD)

Bands 38(2600), 41(2600+)
Bands 41(2600+)

UMTS

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

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
 

VoLTE

 
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Features

Album art cover, Background playback
DTS:X Virtual Surround

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

Sensors

Accelerometer, Compass
Accelerometer

Other

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

Shopping information

In The Box

USB Cable, Charger, Quick Start Guide, SIM Ejection tool
Charger, SIM Card Installed, USB 2.0 Cable, Important Information Booklet

MSRP

$ 300
$ 150
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