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Samsung Galaxy M12 vs Samsung Galaxy M51 vs Samsung Galaxy M21

Key Feature Comparison

6.4

Samsung Galaxy M12

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7.3

Samsung Galaxy M51

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6.8

Samsung Galaxy M21

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At a Glance

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Octa core, 2 GHz, Cortex A55

Samsung Exynos 8 Octa 850, Mali-G52 MP1

Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)

Qualcomm Snapdragon 730G, Adreno 618

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

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

6000 mAh

Li-ion, Fast, 15W

7000 mAh

Li-ion, Fast, 25W

6000 mAh

Li-ion, Fast, 15W

16.51 cm (6.5 inch)

270 ppi

17.02 cm (6.7 inch)

393 ppi, FHD

16.26 cm (6.4 inch)

403 ppi, FHD

Quad, 48MP + 5MP + 2MP + 2MP

1920x1080 @ 30 fps

Quad, 64MP + 12MP + 5MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

16.51 cm (6.5 inch)
17.02 cm (6.7 inch)
16.26 cm (6.4 inch)

Screen Type

TFT
Super AMOLED
Super AMOLED

Screen Resolution

720 x 1600 pixels
1080 x 2400 pixels
1080 x 2340 pixels

Pixel Density

270 ppi
393 ppi
403 ppi

Aspect Ratio

20:09
20:09
19.5:9

Screen to Body Ratio

81.95%
91%
91%

Screen Design

Waterdrop notch
Punch hole
Waterdrop notch

Screen Refresh Rate

90 Hz
-
-

Screen Protection

-
Gorilla Glass 3
Gorilla Glass 3

Screen Quality

-
FHD
FHD

Peak Brightness

-
420 nits
420 nits

Phone Variants

4GB 64GB, 6GB 128GB
8GB 128GB, 6GB 128GB
4GB 64GB, 6GB 128GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

eMMC 5.1
UFS 2.1
UFS 2.1

Expandable Storage Capacity

Yes, 1 TB
Yes, 512 GB
Yes, 512 GB

OTG Support

Yes
-
Yes

Sensors

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

Operating System

Android v11
Android v10 (Q)
Android v10 (Q)

GPU

Mali-G52 MP1
Adreno 618
Mali-G72 MP3

Chipset

Samsung Exynos 8 Octa 850
Qualcomm Snapdragon 730G
Samsung Exynos 9 Octa 9611

CPU

Octa core, 2 GHz, Cortex A55
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Custom User Interface

Samsung One UI
Samsung One UI
Samsung One UI

Clock Speed

2 GHz
2.2 GHz
2.3 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

8 nm
8 nm
10 nm

Battery Capacity

6000 mAh
7000 mAh
6000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

Fast, 15W
Fast, 25W
Fast, 15W

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

17-Mar-21
31-Aug-20
18-Mar-20

Market Status

Available
Available
Available

Brand

Samsung
Samsung
Samsung

Model Number

SM-M127GZKGINS/SM-M127G/DS
SM-M515FZBEINS
SM-M215FZKDINS

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 10,999
Rs. 19,999
Rs. 13,499

GPS

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

NFC

No
Yes
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, b/g/n
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz

Bluetooth Type

v5.0
v5.0
v5.0

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
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) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 1900 / 2100 / 850...
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 19...
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:...

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) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
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 19...
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:...

Audio Features

-
Dolby Atmos
Dolby Atmos

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Features

HDR
HDR
HDR

Front Camera Setup

Single, 8MP
Single, 32MP
Single, 20MP

Front Camera 1 Resolution

8 MP
32 MP
20 MP

Front Camera 1 Type

f/2.2 Primary Camera
f/2.2, Wide Angle Primary Camera
f/2.2 Primary Camera

Front Aperture

f/2.2
f/2.2
f/2.2

Front Flash

No
No
No

Front Camera 1 Lens

-
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
26 mm focal length

Front Sensor

-
Exmor RS
CMOS

Weight

221 grams
213 grams
188 grams

Colors

Black, Blue, White
Celestial Black, Electric Blue
Midnight Blue, Raven Black

Build

Back: Plastic
Back: Plastic
Back: Plastic

Dimensions

164 x 75.9 x 9.7 mm
163.9 x 76.3 x 9.5 mm
159 x 75.1 x 8.9 mm

SAR Value

-
Head: 1.381 W/kg
Head: 0.468 W/kg

OIS

No
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
3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Rear Camera Features

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

Rear Camera Setup

Quad, 48MP + 5MP + 2MP + 2MP
Quad, 64MP + 12MP + 5MP + 5MP
Triple, 48MP + 8MP + 5MP

Rear Camera 1 Resolution

48 MP
64 MP
48 MP

Rear Camera 1 Type

f/2.0 (upto 10x Digital Zoom), Wide Angle (80 degree field-of-view) Primary Camera
f/1.8 (upto 8x Digital Zoom), Wide Angle Primary Camera
f/2.0 (upto 4x Digital Zoom) Primary Camera

Rear Camera 1 Lens

2" sensor size, 0.8 micrometre pixel size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Resolution

5 MP
12 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
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
5 MP

Rear Camera 3 Type

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

Rear Camera 4 Resolution

2 MP
5 MP
-

Rear Camera 4 Type

f/2.4, Depth Camera
f/2.4, Depth Camera
-

Rear Sensor

ISOCELL Plus
Exmor-RS CMOS Sensor, ISOCELL Plus
CMOS image sensor

Rear Aperture

f/2.0
f/1.8
f/2.0

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Side
Side
Rear

Face Unlock

Yes
Yes
Yes
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