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Samsung Galaxy A21S vs Samsung Galaxy M21 vs Samsung Galaxy J7 Prime 2

Key Feature Comparison

6.5

Samsung Galaxy A21s

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6.8

Samsung Galaxy M21

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5.8

Samsung Galaxy J7 Prime 2

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At a Glance

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

Samsung Exynos 8 Octa 850, Mali-G52 MP1

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

Octa core, 1.6 GHz, Cortex A53

Samsung Exynos 7 Octa 7870, Mali-T830

5000 mAh

Li-ion, Fast, 15W

6000 mAh

Li-ion, Fast, 15W

3300 mAh

Li-ion

6.5 inches

270 ppi

6.4 inches

403 ppi, FHD

5.5 inches

401 ppi, FHD

Quad, 48MP + 8MP + 2MP + 2MP

1920x1080 @ 30 fps

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Single, 13MP

1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.5 inches
6.4 inches
5.5 inches

Screen Type

TFT
Super AMOLED
TFT

Screen Resolution

720 x 1600 pixels
1080 x 2340 pixels
1080 x 1920 pixels

Pixel Density

270 ppi
403 ppi
401 ppi

Aspect Ratio

20:09
19.5:9
16:09

Screen to Body Ratio

82.75%
91%
73.13%

Screen Design

Punch hole
Waterdrop notch
-

Screen Protection

-
Gorilla Glass 3
Corning Gorilla Glass

Screen Quality

-
FHD
FHD

Peak Brightness

-
420 nits
-

Phone Variants

6GB 64GB, 4GB 64GB, 6GB 128GB
4GB 64GB, 6GB 128GB
3GB 32GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR3

Storage Type

eMMC 5.1
UFS 2.1
eMMC 5.1

Expandable Storage Capacity

Yes, 512 GB
Yes, 512 GB
Yes, 256 GB

OTG Support

Yes
Yes
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Proximity sensor, Accelerometer

Operating System

Android v10 (Q)
Android v10 (Q)
Android v7.0 (Nougat)

GPU

Mali-G52 MP1
Mali-G72 MP3
Mali-T830

Chipset

Samsung Exynos 8 Octa 850
Samsung Exynos 9 Octa 9611
Samsung Exynos 7 Octa 7870

CPU

Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core, 1.6 GHz, Cortex A53

Custom User Interface

Samsung One UI
Samsung One UI
-

Clock Speed

2 GHz
2.3 GHz
1.6 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

8 nm
10 nm
14 nm

Battery Capacity

5000 mAh
6000 mAh
3300 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

Fast, 15W
Fast, 15W
-

USB Type-C

Yes
Yes
No

Fast Charging

Yes
Yes
-

Announced On

15-May-20
18-Mar-20
5-Mar-18

Market Status

Available
Available
Out of Stock

Brand

Samsung
Samsung
Samsung

Model Number

SM-A217FZB1INS/SM-A217FZBGINS/SM-A217FZB5INS
SM-M215FZKDINS
-

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 13,999
Rs. 13,499
Rs. 14,990

GPS

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

NFC

No
No
No

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

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

Wi-Fi

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

Bluetooth Type

v5.0
v5.0
v4.1

Audio Jack

3.5 mm
3.5 mm
3.5 mm

SIM Slot(s)

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

eSIM

No
No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot

VoLTE

Yes
Yes
-

SIM 1 Bands

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...
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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 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...

SIM 2 Bands

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...
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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 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...

Audio Features

-
Dolby Atmos
-

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
1080p30fps

Front Camera Setup

Single, 13MP
Single, 20MP
Single, 13MP

Front Camera 1 Resolution

13 MP
20 MP
13 MP

Front Camera 1 Type

f/2.2 Primary Camera
f/2.2 Primary Camera
f/1.9 Primary Camera

Front Camera 1 Lens

3.1" sensor size, 1.12 micrometre pixel size
26 mm focal length
-

Front Aperture

f/2.2
f/2.2
f/1.9

Front Flash

No
No
No

Front Camera Features

-
HDR
-

Front Sensor

-
CMOS
-

Weight

192 grams
188 grams
170 grams

Colors

Black, Blue, White
Midnight Blue, Raven Black
Black, Gold

Build

Back: Plastic
Back: Plastic
Back: Aluminium

Dimensions

163.7 x 75.3 x 8.9 mm
159 x 75.1 x 8.9 mm
151.7 x 75 x 8 mm

SAR Value

Head: 0.831 W/kg
Head: 0.468 W/kg
Head: 0.607 W/kg

OIS

No
No
-

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, LED Flash

Rear Video Recording

1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
1920x1080 @ 30 fps

Rear Camera Features

8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
4 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Quad, 48MP + 8MP + 2MP + 2MP
Triple, 48MP + 8MP + 5MP
Single, 13MP

Rear Camera 1 Resolution

48 MP
48 MP
13 MP

Rear Camera 1 Type

f/2.0 (upto 8x Digital Zoom), Wide Angle Primary Camera
f/2.0 (upto 4x Digital Zoom) Primary Camera
f/1.9, Wide Angle Primary Camera

Rear Camera 1 Lens

26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
28 mm focal length

Rear Camera 2 Resolution

8 MP
8 MP
-

Rear Camera 2 Type

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

Rear Camera 2 Lens

4.0" sensor size, 1.12 micrometre pixel size
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
-

Rear Camera 3 Resolution

2 MP
5 MP
-

Rear Camera 3 Type

f/2.4, Macro Camera
f/2.2, Depth Camera
-

Rear Camera 4 Resolution

2 MP
-
-

Rear Camera 4 Type

f/2.4, Depth Camera
-
-

Rear Aperture

f/2.0
f/2.0
f/1.9

Rear Sensor

-
CMOS image sensor
CMOS image sensor

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Rear
Rear
-

Face Unlock

Yes
Yes
-
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