LG Q7+ vs Samsung Galaxy A21s

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Display

Size

5.5 inches
6.5 inches

Resolution

2160 x 1080 pixels, 18:9 ratio,
439 PPI
1600 x 720 pixels, 20:9 ratio,
270 PPI

Technology

IPS LCD
TFT

Screen-to-body

78.31 %
82.94 %

Features

Scratch-resistant glass, Ambient light sensor, Proximity sensor
Proximity sensor

Hardware

System chip

Qualcomm Snapdragon 450 SDM450
Samsung Exynos 850

Processor

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

GPU

Adreno 506
Mali-G76

RAM

4GB LPDDR3
3GB LPDDR4

Internal storage

64GB, available to use: 49 GB
32GB (eMMC 5.1), available to use: 19.5 GB

Storage expansion

microSDXC up to 2000 GB
microSDXC up to 512 GB

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

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

 
2 MP (Macro)

Specifications

 
Aperture size: F2.4

Fourth camera

 
2 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)
13 MP

Design

Dimensions

5.66 x 2.73 x 0.33 inches (143.8 x 69.3 x 8.4 mm)
6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)

Weight

5.11 oz
6.77 oz

145.0 g
192.0 g

Resistance

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

Biometrics

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

Features

Notification light
 

Colors

Blue
Black, White, Blue, Red

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), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

LTE (TDD)

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

UMTS

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

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
 

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

Location

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

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope

Other

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

Regulatory Approval

FCC approval

 
 

Date approved

Sep 24, 2018
 

FCC ID value: ZNFQ610TA link
 

Measured SAR

 
 

Head

0.36 W/kg
 

Body

1.10 W/kg
 

Simultaneous Transmission

1.46 W/kg
 

Wireless Router

1.30 W/kg
 
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