LG Q7+ vs Samsung Galaxy A21 vs Motorola Moto G Stylus

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

Display

Size:

5.5 inches
6.5 inches
6.4 inches

Resolution:

2160 x 1080 pixels, 18:9 ratio, 439 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI
2300 x 1080 pixels, 19.17:9 ratio, 397 PPI

Technology:

IPS LCD
IPS LCD
IPS LCD

Screen-to-body:

78.31 %
79.20 %
84.75 %

Features:

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

Hardware

System chip:

Qualcomm Snapdragon 450 SDM450
Mediatek Helio P35
Qualcomm Snapdragon 665 SM6125

Processor:

Octa-core, 1800 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2300 MHz, Arm Cortex-A53, 64-bit, 12 nm
Octa-core, 2000 MHz, Kryo 260, 64-bit, 11 nm

GPU:

Adreno 506
PowerVR GE8320
Adreno 610

RAM:

4GB LPDDR3
3GB LPDDR4
4GB

Internal storage:

64GB, available to use: 49 GB
32GB (eMMC 5.1), available to use: 19.8 GB
128GB

Storage expansion:

microSDXC up to 2000 GB
microSDXC up to 512 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (9.0 Pie, 8.1 Oreo)
Android (10), Samsung One UI
Android (11, 10)

Battery

Capacity:

3000 mAh
4000 mAh
4000 mAh

Type:

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

Battery life test results:

Charging:

MediaTek Pump Express
Fast charging
Motorola TurboPower

Max charge speed:

Wired: 15.0W

Camera

Rear:

Single camera
Quad camera
Quad camera

Main camera:

16 MP (PDAF)
16 MP (PDAF)
48 MP (Laser and PDAF)

Specifications:

Aperture size: F2.2; Sensor size: 1/3"; Pixel size: 1.12 μm
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 μm
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

8 MP (Ultra-wide)
16 MP (Ultra-wide)

Specifications:

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

Third camera:

2 MP (Macro)
2 MP (Macro)

Specifications:

Aperture size: F2.4
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.75 μm

Fourth camera:

2 MP (Depth information)
ToF 3D depth sensing

Specifications:

Aperture size: F2.4

Video recording:

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps)

Features:

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

Front:

8 MP (HDR)
13 MP
16 MP (EIS, HDR)

Video capture:

1920x1080 (Full HD)
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)
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)
6.24 x 2.98 x 0.36 inches (158.55 x 75.8 x 9.2 mm)

Weight:

5.11 oz (145.0 g)
6.81 oz (193.0 g)
6.77 oz (192.0 g)

Materials:

Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Aluminum

Resistance:

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

Biometrics:

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

Features:

Notification light
Stylus

Keys:

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

Colors:

Blue
Black
Mystic indigo

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), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
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+), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

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

UMTS:

Bands 5(850), 4(1700/2100), 2(1900), 1(2100)
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 Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes
Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
Dolby Mobile

Screen mirroring:

DLNA, Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
5.0
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
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
Type-C (reversible), USB 2.0

Features:

Mass storage device, OTG, Charging
Charging
Charging

Location:

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

Sensors:

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

Other:

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

Hearing aid compatible:

M4, T3
M4, T3

Regulatory Approval

FCC approval:

Date approved:

Sep 24, 2018
Apr 17, 2020

FCC ID value:

ZNFQ610TA link
ZCASMA215U link

Measured SAR:

Head:

0.36 W/kg
0.42 W/kg

Body:

1.10 W/kg
1.27 W/kg

Simultaneous Transmission:

1.46 W/kg
1.27 W/kg

Wireless Router:

1.30 W/kg
1.27 W/kg

Buyers information

Price:

$ 250
$ 300

In The Box:

This is the official Samsu​ng Galaxy A21 User Guide in English provided from the manufacturer.
Charger, USB Type-C cable, guides, SIM tool

Availability

Officially announced:

May 21, 2018
Apr 08, 2020
Feb 07, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless