1. NXT Test
  2. Compare

Samsung Galaxy A21s vs Samsung Galaxy M12

Samsung Galaxy A21s SamsungGalaxy A21s
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-A217FSM-A217F/DSSM-A217F/DSNSM-A217MSM-A217M/DS
Samsung Galaxy M12SM-M127F/DSN
Announced
May 2020
April 2021
Released
June 2020
April 2021
Colors
BlackWhiteBlueRed
GreyBlueGreen

Design

Length
163.7 mm (6.44 in)
164 mm (6.46 in)
Width
75.3 mm (2.96 in)
75.9 mm (2.99 in)
Thickness
8.9 mm (0.35 in)
9.7 mm (0.38 in)
Weight
192 g (6.77 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 600 MB
3G Up to 42 MB4G Up to 300 MB

Display

Display Type
PLS IPS
PLS IPS
Size
6.5 Inches
6.5 Inches
Refresh Rate
—
90 Hz
Resolution
720x1600 Pixels (HD+)
720x1600 Pixels (HD+)
Screen Ratio
82.8%
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
Samsung Exynos 850
Samsung Exynos 850
Manufacturing Technology
8 nm
8 nm
CPU Type
Octa-core
Octa-core
CPU
Octa-core:Quad-core 2.0 GHzQuad-core 2.0 GHz
Same on both
GPU
Mali-G52
Mali-G52
RAM (Memory)
2/3/4/6 GB2/3GB (32 GB)3/4/6 GB (64 GB)3/4/6 GB (128 GB)
3/4 GB3 GB (32 GB)4 GB (64 GB)4 GB (128 GB)
Internal Storage
32/64/128 GB
32/64/128 GB
Storage Type
eMMC 5.1
eMMC 5.1
Ram Type
LPDDR4x
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
Second Camera: 8 MP (Ultrawide)
Second Camera: 5 MP (Ultrawide)
On both: First Camera: 48 MP (Standard), Third Camera: 2 MP (Macro), Fourth Camera: 2 MP (Depth)
Aperture Size
First Camera: F/2.0Second Camera: F/2.2Third Camera: F/2.4Fourth Camera: F/2.4
Same on both
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
GPSA-GPSGLONASSGALILEOBDS
Same on both
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 - RDS & Recording
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
5000 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