Samsung Galaxy A20 vs Samsung Galaxy A01 vs Samsung Galaxy A21s - specs comparison

Display

Size:

6.4 inches

5.7 inches

6.5 inches

Resolution:

1560 x 720 pixels, 19.5:9 ratio, 268 PPI

1520 x 720 pixels, 19:9 ratio, 295 PPI

1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

Super AMOLED

IPS LCD

TFT

Screen-to-body:

84.95 %

78.22 %

82.94 %

Features:

Proximity sensor

Ambient light sensor, Proximity sensor

Proximity sensor

Hardware

System chip:

Samsung Exynos 7884

Qualcomm Snapdragon 439 SDM439

Samsung Exynos 850

Processor:

Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

Octa-core, 1950 MHz, ARM Cortex-A53, 64-bit, 12 nm

Octa-core, 2000 MHz, Arm Cortex-A55, 64-bit

GPU:

Mali-G71 MP2

Adreno 505

Mali-G76

RAM:

3GB LPDDR4

2GB LPDDR3

3GB LPDDR4

Internal storage:

32GB, available to use: 20.3 GB

16GB (eMMC 5.1), available to use: 8.3 GB

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

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone

OS:

Android (10, 9.0 Pie), Samsung One UI

Android (10)

Android (10), Samsung One UI

Battery

Capacity:

4000 mAh

3000 mAh

5000 mAh

Type:

Not user replaceable

Li - Polymer, Not user replaceable

Battery life test results:

link

Charging:

Samsung Adaptive Fast Charging

Fast charging

Max charge speed:

Wired: 7.8W

Camera

Rear:

Dual camera

Quad camera

Main camera:

13 MP (Autofocus)

48 MP (PDAF)

Specifications:

F1.9; 27 mm; 1/3.1"; 1.12 μm

F2.2; 28 mm; 1/3.1"; 1.12 μm

F2.0; 26 mm; 1/2"; 0.8 μm

Second camera:

5 MP (Ultra-wide)

2 MP (Depth information)

8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Aperture size: F2.4

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)

Front:

8 MP

5 MP

13 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)

5.81 x 2.79 x 0.33 inches (147.5 x 70.9 x 8.3 mm)

6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)

Weight:

5.96 oz (169.0 g)

5.33 oz (151.0 g)

6.77 oz (192.0 g)

Materials:

Back: Plastic

Back: Plastic; Frame: Plastic

Biometrics:

2D Face unlock, Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key

Left: Volume control; Right: Lock/Unlock key

Right: Volume control, Lock/Unlock key

Colors:

Black,Deep blue, Red

Black, Blue, Red

Black, White, Blue, Red

Cellular

LTE (FDD):

Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)

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

Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

LTE (TDD):

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

UMTS:

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

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

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

Data Speed:

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

LTE Cat 4 (150/50 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

Dual SIM:

Yes

SIM type:

Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack

Speakers:

Earpiece, Loudspeaker

Features:

Dolby Atmos

Screen mirroring:

Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0

4.2

5.0

Wi-Fi:

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

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

USB:

Type-C (reversible), USB 2.0

Features:

Charging

Location:

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

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

Sensors:

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

Accelerometer

Accelerometer, Gyroscope

Other:

UMA (Wi-Fi Calling)

NFC

Hearing aid compatible:

M4, T3

Regulatory Approval

FCC approval:

Date approved:

Jun 19, 2019

Feb 24, 2020

FCC ID value:

A3LSMA205U link

ZCASMA015A link

Measured SAR:

Head:

1.09 W/kg

0.61 W/kg

Body:

0.60 W/kg

0.61 W/kg

Simultaneous Transmission:

1.37 W/kg

1.59 W/kg

Wireless Router:

1.00 W/kg

1.39 W/kg

Phablet:

3.94 W/kg

Buyers information

Price:

$ 250

$ 100

€ 240

User Manual:

This is the official Samsung Galaxy A01 User Guide in English provided from the manufacturer.

This is the official Samsung Galaxy A21s User Guide in English provided from the manufacturer.

In The Box:

QuickStart Guide, Charging Block, USB-C, SIM tray eject tool

Availability

Officially announced:

Dec 17, 2019

May 15, 2020