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Samsung Galaxy M12 vs Samsung Galaxy A21s

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.5 inches
6.5 inches

Resolution:

1600 x 720 pixels, 20:9 ratio, 270 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

PLS
TFT

Refresh rate:

90Hz

Screen-to-body:

81.86 %
82.94 %

Features:

Ambient light sensor, Proximity sensor
Proximity sensor

Hardware

System chip:

Samsung Exynos 850 S5E3830
Samsung Exynos 850

Processor:

Octa-core, 2000 MHz, Cortex-A55, 64-bit, 8 nm
Octa-core, 2000 MHz, Arm Cortex-A55, 64-bit

GPU:

Mali-G52 MP1
Mali-G76

RAM:

4GB LPDDR4
3GB LPDDR4

Internal storage:

64GB (eMMC 5.1), available to use: 19.5 GB
32GB (eMMC 5.1), available to use: 19.5 GB

Storage expansion:

microSDXC up to 1024 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone

OS:

Android (10)
Android (10), Samsung One UI

Battery

Capacity:

6000 mAh
5000 mAh

Type:

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

Fast charging
Fast charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Quad camera
Quad camera

Main camera:

48 MP (Autofocus)
48 MP (PDAF)

Specifications:

Aperture size: F2.0
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

5 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

2 MP (Macro)
2 MP (Macro)

Specifications:

Aperture size: F2.4
Aperture size: F2.4

Fourth camera:

2 MP (Depth information)
2 MP (Depth information)

Specifications:

Aperture size: F2.4
Aperture size: F2.4

Video recording:

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Front:

8 MP (HDR)
13 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.46 x 2.99 x 0.38 inches (164.0 x 75.9 x 9.7 mm)
6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)

Weight:

7.80 oz (221.0 g)
6.77 oz (192.0 g)

Materials:

Back: Plastic; Frame: Plastic

Biometrics:

2D Face unlock, Fingerprint (touch)
2D Face unlock, Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black, white, blue
Black, White, Blue, Red

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

LTE (TDD):

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 5(850), 8(900), 2(1900), 1(2100)

Data Speed:

LTE-A Cat 7 (300/100 Mbit/s), LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Shared with microSD
Yes

SIM type:

Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Screen mirroring:

Wireless screen share, MirrorLink
Wireless screen share

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0

Wi-Fi:

802.11 b, g, n; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0

Features:

Charging, Mass storage device
Charging

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer
Accelerometer, Gyroscope

Other:

NFC

Regulatory Approval

FCC approval:

Date approved:

Mar 22, 2021

FCC ID value:

A3LSMM127G

Measured SAR:

Head:

1.15 W/kg

Body:

1.20 W/kg

Simultaneous Transmission:

1.51 W/kg

Wireless Router:

1.25 W/kg

Buyers information

Price:

€ 240

User Manual:

This is the official Samsu​ng Galaxy A21s User Guide in English provided from the manufacturer.

Availability

Officially announced:

Mar 11, 2021
May 15, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless