LG Risio 4 vs Samsung Galaxy A21 Specs Comparison

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

Display

Size:

5.7 inches
6.5 inches

Resolution:

1520 x 720 pixels, 19:9 ratio, 295 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

IPS LCD
IPS LCD

Refresh rate:

60Hz

Screen-to-body:

77.13 %
79.20 %

Features:

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

Hardware

System chip:

MediaTek Helio P22 MT6762 (12 nm)
Mediatek Helio P35 MT6765 (12 nm)

Processor:

Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit
Octa-core, 4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53, 64-bit

GPU:

PowerVR GE8320
PowerVR GE8320

RAM:

2GB
3GB LPDDR4

Internal storage:

16GB, available to use: 7.42 GB
32GB (eMMC 5.1), available to use: 19.8 GB

Storage expansion:

microSDXC
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone

OS:

Android (10)
Android (10), Samsung One UI

Battery

Capacity:

3000 mAh
4000 mAh

Type:

Not user replaceable
Li - Polymer, Not user replaceable

Charging:

Fast charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Dual camera
Quad camera

Main camera:

13 MP (PDAF)
16 MP (PDAF)

Specifications:

Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 μm

Second camera:

5 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
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

Flash:

LED
LED

Video recording:

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

Front:

3 MP
13 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

5.82 x 2.8 x 0.34 inches (147.8 x 71.1 x 8.6 mm)
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)

Weight:

5.15 oz (146.0 g)
6.81 oz (193.0 g)

Materials:

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

Biometrics:

Fingerprint (touch)

Keys:

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

Colors:

Blue
Black

Cellular

4G (FDD):

Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 14(700 PS)
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)

4G (TDD):

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

3G:

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

Data Speed:

LTE-A Cat 7 (300/100 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

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM
FM

Connectivity & Features

Bluetooth:

5.0
5.0

Wi-Fi:

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

USB:

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

Features:

Charging
Charging

Location:

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

Sensors:

Accelerometer
Accelerometer, Gyroscope, Compass

Other:

NFC

Hearing aid compatible:

M3, T3
M4, T3

Regulatory Approval

FCC approval:

Date approved:

Apr 17, 2020

FCC ID value:

ZCASMA215U

Measured SAR:

Head:

0.42 W/kg

Body:

1.27 W/kg

Simultaneous Transmission:

1.27 W/kg

Wireless Router:

1.27 W/kg

Buyers information

Price:

$ 250

User Manual:

This is the official LG Risio 4 User Guide in English provided from the manufacturer.

In The Box:

Travel Adapter, USB Cable
This is the official Samsu​ng Galaxy A21 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Apr 08, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless