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Samsung Galaxy A21s vs vivo Y20

Summary
Performance

Samsung Exynos 8 Octa 850

4 GB RAM

Snapdragon 460

4 GB RAM

MediaTek Dimensity 6100 Plus

4 GB RAM

Display

6.5" (16.51 cm)

720x1600 px (HD+)

6.51" (16.54 cm)

720x1600 px (HD+)

6.5" (16.51 cm)

1080x2340 px (FHD+)

Rear Camera

48 MP + 8 MP + 2 MP + 2 MP

Quad Camera

13 MP + 2 MP + 2 MP

Triple Camera

50 MP + 5 MP + 2 MP

Triple Camera

Front Camera

13 MP

Single Camera

8 MP

Single Camera

13 MP

Single Camera

Battery

5000 mAh

54 h talktime (4G)

5000 mAh

6000 mAh

Storage

64 GB

512 GB (Expandable)

64 GB

256 GB (Expandable)

128 GB

1 TB (Expandable)

Expert Rating

3.5/5

Read Expert Review

User Rating

★★★★★
★★★★★

4.2/5 based on 26,116 ratings

Read All User Reviews

★★★★★
★★★★★

4.3/5 based on 24,568 ratings

Read All User Reviews

Benchmarks

N/A

N/A

Compare Prices
Rs. 11,999 @Amazon Buy
Not available in any other store
Rs. 12,990 @Amazon Buy
Not available in any other store
Rs. 11,999 @Flipkart Buy
Not available in any other store
General
Launch Date

June 17, 2020 (Official)

August 28, 2020 (Official)

March 4, 2024 (Official)

Operating System

Android v10 (Q)

Android v10 (Q)

Android v14

Custom UI

Samsung One UI

Funtouch OS

Samsung One UI

Performance
Good
Good
Good
Chipset

Samsung Exynos 8 Octa 850

Qualcomm Snapdragon 460

MediaTek Dimensity 6100 Plus

CPU

Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)

Octa core (1.8 GHz, Quad core, Kryo 240 + 1.6 GHz, Quad core, Kryo 240)

Octa core (2.2 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)

Architecture

64 bit

64 bit

64 bit

Graphics

Mali-G52 MP1

Adreno 610

Mali-G57 MC2

RAM

4 GB

4 GB

4 GB

RAM Type

LPDDR4X

LPDDR4X

Display
Average
Average
Very Good
Display Type

PLS TFT LCD

IPS LCD

Super AMOLED

Screen Size

6.5 " (16.51 cm)

6.51 " (16.54 cm)

6.5 " (16.51 cm)

Resolution

720x1600 px (HD+)

720x1600 px (HD+)

1080x2340 px (FHD+)

Aspect Ratio

20:9

20:9

20:9

Pixel Density

270 ppi

270 ppi

396 ppi

Screen to Body Ratio (calculated)

82.75 %

81.57 %

84.17 %

Bezel-less display

with punch-hole display

with waterdrop notch

with notch

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Refresh Rate

60 Hz

60 Hz

90 Hz

Screen to Body Ratio (claimed by the brand)

89 %

Design
Size Compare
Size Compare
Size Compare
Dimensions

Height: 163.7 mm
Width: 75.3 mm
Thickness: 8.9 mm

Height: 164.4 mm
Width: 76.3 mm
Thickness: 8.4 mm

Height: 160.1 mm
Width: 76.8 mm
Thickness: 9.3 mm

Weight

192 grams

192.3 grams

217 grams

Build Material

Back: Plastic

Back: Plastic

Colours

Black, Blue, White

Obsidian Black, Dawn White

Ash Black, Groovy Violet, Jazzy Green

Camera
Main Camera
Camera Setup

Quad

Triple

Triple

Resolution

48 MP f/2.0, Wide Angle, Primary Camera(26 mm focal length, 2" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(4.0" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera
2 MP f/2.4, Depth Camera

13 MP f/2.2, Wide Angle, Primary Camera
2 MP f/2.4, Depth Camera
2 MP f/2.4, Macro Camera

50 MP f/1.8, Wide Angle, Primary Camera
5 MP f/2.2, Ultra-Wide Angle Camera
2 MP f/2.4, Macro Camera

Autofocus

, Phase Detection autofocus

, Phase Detection autofocus

OIS

No

No

Flash

, LED Flash

, LED Flash

, LED Flash

Image Resolution

8000 x 6000 Pixels

4128 x 3096 Pixels

8150 x 6150 Pixels

Settings

Exposure compensation, ISO control

Exposure compensation, ISO control

Exposure compensation, ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous Shooting
High Dynamic Range mode (HDR)
Macro Mode

Camera Features

8 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Digital Zoom
Auto Flash
Face detection
Touch to focus

10 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Front Camera
Very Good
Very Good
Very Good
Camera Setup

Single

Single

Single

Resolution

13 MP f/2.2, Primary Camera(3.1" sensor size, 1.12µm pixel size)

8 MP f/1.8, Primary Camera

13 MP f/2.0, Wide Angle, Primary Camera

Autofocus

No

No

Flash

No

, Screen flash

No

Camera Features

Fixed Focus

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Battery
Very Good
Very Good
Very Good
Capacity

5000 mAh

5000 mAh

6000 mAh

Type

Li-ion

Li-ion

Li-ion

Removable

No

No

No

TalkTime

Up to 54 Hours(4G)

Quick Charging

, Fast, 15W

, Fast, 18W

, Fast, 25W

USB Type-C

No

Storage
Best in Class
Best in Class
Best in Class
Internal Memory

64 GB

64 GB

128 GB

Expandable Memory

, Up to 512 GB

, Up to 256 GB

, Up to 1 TB

User Available Storage

Up to 48.1 GB

Up to 108 GB

USB OTG

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Nano
SIM2: Nano

SIM1: Nano
SIM2: Nano

SIM1: Nano
SIM2: Nano (Hybrid)

Network Support

5G Not Supported in India, 4G Supported in India, 3G, 2G

5G Not Supported in India, 4G Supported in India, 3G, 2G

5G Supported in India, 4G Supported in India, 3G, 2G

VoLTE

SIM 1

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

5G Bands:
FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66
TDD N38 / N40 / N41 / N77 / N78
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

SIM 2

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

5G Bands:
FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66
TDD N38 / N40 / N41 / N77 / N78
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

SAR Value

Head: 0.831 W/kg

Head: 1.19 W/kg, Body: 0.58 W/kg

Wi-Fi

, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz

, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz

, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

Bluetooth

, v5.0

, v5.0

, v5.3

GPS

with A-GPS, Glonass

with A-GPS, Glonass

with A-GPS, Glonass

NFC

No

No

No

USB Connectivity

Mass storage device, USB charging

Mass storage device, USB charging, microUSB 2.0

Mass storage device, USB charging

Multimedia
FM Radio

, Recording option

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

3.5 mm

Sensors
Fingerprint Sensor

Fingerprint Sensor Position

Rear

Side

Side

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Price list

Rs. 11,999
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Rs. 12,990
Buy Now
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Rs. 11,999
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