1. NXT Test
  2. Compare

Samsung Galaxy A21 vs Samsung Galaxy M12

Samsung Galaxy A21 SamsungGalaxy A21
VS
Samsung Galaxy M12 SamsungGalaxy M12

The third device is shown on desktop screens only

General

Device Type
Smart Phone
Smart Phone
Device Name
SM-A215USM-A215U1
Samsung Galaxy M12SM-M127F/DSN
Announced
April 2020
April 2021
Released
June 2020
April 2021
Colors
Black
GreyBlueGreen

Design

Length
167.8 mm (6.61 in)
164 mm (6.46 in)
Width
76.7 mm (3.02 in)
75.9 mm (2.99 in)
Thickness
8.1 mm (0.32 in)
9.7 mm (0.38 in)
Weight
193 g (6.81 oz)
212 g (7.48 oz)
Materials
Glass frontPlastic backPlastic frame
Same on both

Network

2G Network
Yes
Yes
3G Network
Yes
Yes
4G Network
Yes
Yes
GPRS
Yes
Yes
EDGE
Yes
Yes
SIM
Nano SIM
Nano SIM
Multi SIM
Single SIM or Dual SIM
Dual SIM: SIM1 + SIM2 + MicroSD
Speed
3G Up to 42 MB4G Up to 150 MB
3G Up to 42 MB4G Up to 300 MB

Display

Display Type
IPS LCD
PLS IPS
Size
6.5 Inches
6.5 Inches
Refresh Rate
—
90 Hz
Resolution
720x1600 Pixels (HD+)
720x1600 Pixels (HD+)
Screen Ratio
79.3%
81.9%
Aspect Ratio
20:9
20:9
Pixel Density
270 PPI
270 PPI
Features
Hole-punch Notch
Water Drop Notch
On both: Dark Mode, Capacitive, Multi-touch, 16M Colors

Hardware

Chipset
Mediatek Helio P35
Samsung Exynos 850
Manufacturing Technology
12 nm
8 nm
CPU Type
Octa-core
Octa-core
CPU
Octa-core:Quad-core 2.35 GHzQuad-core 1.8 GHz
Octa-core:Quad-core 2.0 GHzQuad-core 2.0 GHz
GPU
PowerVR GE8320
Mali-G52
RAM (Memory)
3 GB
3/4 GB3 GB (32 GB)4 GB (64 GB)4 GB (128 GB)
Internal Storage
32 GB
32/64/128 GB
Storage Type
eMMC 5.1
eMMC 5.1
Ram Type
—
LPDDR4x
Card Slot
Yes - MicroSD
Yes - MicroSD

Software

OS
Android 10
Android 11
User Interface
One UI 2.0
One UI 3.1

Main camera

Four
First Camera: 16 MP (Standard)Second Camera: 8 MP (Ultrawide)
First Camera: 48 MP (Standard)Second Camera: 5 MP (Ultrawide)
On both: Third Camera: 2 MP (Macro), Fourth Camera: 2 MP (Depth)
Aperture Size
First Camera: F/1.8
First Camera: F/2.0
On both: Second Camera: F/2.2, Third Camera: F/2.4, Fourth Camera: F/2.4
Video
FHD 1080P@30fps
FHD 1080P@30fps
Flash
Yes
Yes
More details (1)Camera Features
Camera Features
Autofocus (AF)Portrait ModePro ModeDigital ZoomContinuous shootingPanoramaExposure compensationFace detectionGeotaggingHDRISO settingsScene modeSelf-timerTouch focusWhite balance settings
Same on both

Selfie Camera

Camera
13 MP
8 MP
Aperture Size
F/2.0
F/2.2
Video
FHD 1080P@30fps
FHD 1080P@30fps
Flash
No
No
More details (1)Camera Features
Camera Features
Face DetectionPortrait ModeBeauty ModeGesture ShotHDR
Same on both

Connectivity

Wi-Fi
a/b/g/n/acDual-band
b/g/n
On both: Wi-Fi 802.11, Wi-Fi Direct, Hotspot
Bluetooth
5.0A2DPLE
Same on both
Location
No extras
GALILEO
On both: GPS, A-GPS, GLONASS, BDS
NFC
Yes - (Market/region dependent)
Yes
USB
USB Type-C 2.0
USB Type-C 2.0

Media

Loudspeaker
Yes
Yes
3.5mm jack
Yes
Yes
FM Radio
Yes
Yes - RDS & Recording

Other specifications

Sensors
AccelerometerGyroscopeProximityCompass
AccelerometerProximity
Lock Type
Fingerprint (Rear-mounted)
Fingerprint (Side-mounted)
On both: Facial Recognition, Pattern, PIN, Password
Box Contents
DeviceUSB CablePower Adapter (15 W)HeadphonesSIM Eject ToolQuick start guide
Same on both

Charging and Battery

Fast Charging
15 W
15 W
Capacity
4000 mAh
5000 mAh

BrandsView All

Show More Brands

Top Mobile

New Arrivals

Copyright © 2026 NXT Test. All Rights Reserved
Copyright © 2026 NXT Test. All Rights Reserved