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Samsung Galaxy S21 5G vs Samsung Galaxy A21

Key Feature Comparison

7.6

Samsung Galaxy S21 5G

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6.3

Samsung Galaxy A21

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At a Glance

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Octa core (2.9 GHz, Single core, Cortex X1 + 2.8 GHz, Tri core, Cortex A78 + 2.2 GHz, Quad core, Cortex A55)

Samsung Exynos 2100, Mali-G78 MP14

Octa core, 2.3 GHz, Cortex A53

MediaTek Helio P35, PowerVR GE8320

4000 mAh

Li-ion, Fast, 25W

4000 mAh

Li-ion, Fast, 15W

15.75 cm (6.2 inch)

424 ppi, FHD

16.51 cm (6.5 inch)

270 ppi

Triple, 12MP + 64MP + 12MP

7680x4320 @ 24 fps, 3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 960 fps

Quad, 16MP + 8MP + 2MP + 2MP

5G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

15.75 cm (6.2 inch)
16.51 cm (6.5 inch)

Screen Type

AMOLED
Super AMOLED

Screen Resolution

1080 x 2400 pixels
720 x 1600 pixels

Pixel Density

424 ppi
270 ppi

Aspect Ratio

20:09
20:09

Screen Protection

Corning Gorilla Glass
-

Screen to Body Ratio

85.92%
79.26%

Screen Design

Punch hole
Punch hole

Screen Refresh Rate

120 Hz
-

Screen Quality

FHD
-

Peak Brightness

1300 nits
-

Phone Variants

8GB 256GB, 8GB 128GB
3GB 32GB

Expandable Storage

No
Yes

Storage Type

UFS 3.1
eMMC 5.1

OTG Support

Yes
-

RAM Type

-
LPDDR4X

Expandable Storage Capacity

-
Yes, 512 GB

Sensors

Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer

Operating System

Android v11
Android v10 (Q)

GPU

Mali-G78 MP14
PowerVR GE8320

Chipset

Samsung Exynos 2100
MediaTek Helio P35

CPU

Octa core (2.9 GHz, Single core, Cortex X1 + 2.8 GHz, Tri core, Cortex A78 + 2.2 GHz, Quad core, Cortex A55)
Octa core, 2.3 GHz, Cortex A53

Custom User Interface

Samsung One UI
-

Clock Speed

2.9 GHz
2.3 GHz

Architecture

64 bit
64 bit

Process Technology

5 nm
12 nm

Battery Capacity

4000 mAh
4000 mAh

Battery Removable

No
No

Battery Type

Li-ion
Li-ion

Charger Type

Fast, 25W
Fast, 15W

USB Type-C

Yes
Yes

Fast Charging

Yes
Yes

Wireless Charging

Yes
-

Announced On

14-Jan-21
8-Apr-20

Market Status

Available
Launched Globally

Brand

Samsung
Samsung

Model Number

SM-G991BZVDINU
-

Price Status

Confirmed
Expected

Price

Rs. 69,450
Rs. 18,900

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass

Audio Features

Dolby AtmosNoise cancellation microphoneStereo SpeakersStereo Speakers by AKG
-

NFC

Yes
Yes

Network Support

5G
4G

Bluetooth

Yes
Yes

FM Radio

No
-

3.5mm Audio Jack

No
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano

Wi-Fi

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

Bluetooth Type

v5.1
v5.0

Audio Jack

USB Type-C
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM

eSIM

No
No

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot

VoLTE

Yes
Yes

SIM 1 Bands

5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N20 / N28, TDD N38 / N40 / N41 / N77 / N78, 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(b...
4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

SIM 2 Bands

5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N20 / N28, TDD N38 / N40 / N41 / N77 / N78, 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(b...
4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

Front Video Recording

3840x2160 @ 30 fps
1080p at 30fps

Front Camera Features

Dual video call, Auto-HDR
-

Front Camera Setup

Single, 10MP
Single, 13MP

Front Camera 1 Resolution

10 MP
13 MP

Front Camera 1 Type

f/2.2, Wide Angle Primary Camera
Primary Camera

Front Camera 1 Lens

26 mm focal length, 3.2" sensor size, 1.22 micrometre pixel size
-

Front Aperture

f/2.2
-

Weight

171 grams
193 grams

Colors

Phantom Violet, Phantom Gray, Phantom White, Phantom Pink
Black

Build

Glass front (Gorilla Glass Victus), plastic back, aluminum frame
Back: Plastic

Dimensions

151.7 x 71.2 x 7.9 mm
167.8 x 76.7 x 8.1 mm

OIS

Yes
-

Rear Flash

Yes, LED Flash
Yes, LED Flash

Rear Video Recording

7680x4320 @ 24 fps, 3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 960 fps
-

Rear Camera Features

Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Triple, 12MP + 64MP + 12MP
Quad, 16MP + 8MP + 2MP + 2MP

Rear Camera 1 Resolution

12 MP
16 MP

Rear Camera 1 Type

f/1.8, Wide Angle Primary Camera
Primary Camera

Rear Camera 1 Lens

26 mm focal length, 1.7" sensor size, 1.8 micrometre pixel size
-

Rear Camera 2 Resolution

64 MP
8 MP

Rear Camera 2 Type

f/2.0 Telephoto Camera
Wide Angle, Ultra-Wide Angle Camera

Rear Camera 2 Lens

28 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
-

Rear Camera 3 Resolution

12 MP
2 MP

Rear Camera 3 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
Macro Camera

Rear Camera 3 Lens

13 mm focal length, 2.55" sensor size, 1.4 micrometre pixel size
-

Rear Aperture

f/1.8
-

Rear Camera 4 Resolution

-
2 MP

Rear Camera 4 Type

-
Depth Camera

Fingerprint Scanner

Yes
Yes

Fingerprint Scanner Position

On-Screen
Rear

Fingerprint Scanner Type

Ultrasonic
-

Face Unlock

Yes
Yes
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