LG Q7+ vs Samsung Galaxy A31

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

Display

Size:

5.5 inches
6.4 inches

Resolution:

2160 x 1080 pixels, 18:9 ratio, 439 PPI
2400 x 1080 pixels, 20:9 ratio, 411 PPI

Technology:

IPS LCD
Super AMOLED

Screen-to-body:

78.31 %
84.88 %

Features:

Scratch-resistant glass, Ambient light sensor, Proximity sensor
60Hz refresh rate, Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 450 SDM450
MediaTek Helio P65 MT6768

Processor:

Octa-core, 1800 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm

GPU:

Adreno 506
Mali-G52 MC2

RAM:

4GB LPDDR3
4GB LPDDR4

Internal storage:

64GB, available to use: 49 GB
64GB (eMMC 5.1), available to use: 46.2 GB

Storage expansion:

microSDXC up to 2000 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone

OS:

Android (9.0 Pie, 8.1 Oreo)
Android (10), Samsung One UI

Battery

Capacity:

3000 mAh
5000 mAh

Type:

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

Charging:

MediaTek Pump Express
Fast charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Single camera
Quad camera

Main camera:

16 MP (PDAF)
48 MP (PDAF)

Specifications:

Aperture size: F2.2; Sensor size: 1/3"; Pixel size: 1.12 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

5 MP (Macro)

Specifications:

Aperture size: F2.4

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.4

Video recording:

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

Features:

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

Front:

8 MP (HDR)
20 MP

Video capture:

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

Design

Dimensions:

5.66 x 2.73 x 0.33 inches (143.8 x 69.3 x 8.4 mm)
6.27 x 2.88 x 0.34 inches (159.3 x 73.1 x 8.6 mm)

Weight:

5.11 oz (145.0 g)
6.53 oz (185.0 g)

Materials:

Back: Plastic

Resistance:

Water, Dust; IP68; MIL-STD-810 certified

Biometrics:

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

Features:

Notification light

Keys:

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

Colors:

Blue
Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 66(AWS-3), 71(600)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)

LTE (TDD):

Bands 38(2600), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS:

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

Data Speed:

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

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Album art cover, Background playback

Screen mirroring:

DLNA, Wireless screen share
Wireless screen share

Radio:

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:

Mass storage device, OTG, Charging
Charging, OTG

Location:

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

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other:

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

Hearing aid compatible:

M4, T3

Regulatory Approval

FCC approval:

Date approved:

Sep 24, 2018
Mar 08, 2020

FCC ID value:

ZNFQ610TA link
A3LSMA315GL

Measured SAR:

Head:

0.36 W/kg
0.53 W/kg

Body:

1.10 W/kg
0.56 W/kg

Simultaneous Transmission:

1.46 W/kg
1.42 W/kg

Wireless Router:

1.30 W/kg
0.65 W/kg

Phablet:

0.89 W/kg

Buyers information

Price:

€ 300

Availability

Officially announced:

May 21, 2018
Mar 24, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless