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Samsung Galaxy M21 Mobile Phone
Samsung Galaxy M21
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Samsung Galaxy Note Mobile Phone
Samsung Galaxy Note
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Samsung Galaxy S9+ Mobile Phone
Samsung Galaxy S9+
Available colors
Editiorial reviews
6
6 editorial reviews
We review the Galaxy M21, which is a low-priced mid-range device from Samsung with a 48-megapixel main camera and a large battery. It offers great, but not record-breaking, battery runtimes.Read more
It runs Android 10 topped with One UI 2.0 user interface, which offers a good balance between features and performance.Read more
The Galaxy M21 is the company's latest upper budget segment offering which brings a familiar design and a big battery to woo users. Read our review to find out if it's the phone for you.Read more
Read editorial reviews
29
4.2 out of 5
18 user ratings
5 stars
38 %
4 stars
61 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
17
4.5 out of 5
9 user ratings
5 stars
66 %
4 stars
33 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
35
4.0 out of 5
35 user ratings
5 stars
37 %
4 stars
28 %
3 stars
34 %
2 stars
0 %
1 stars
0 %
39
4.2 out of 5
39 user ratings
5 stars
41 %
4 stars
35 %
3 stars
20 %
2 stars
2 %
1 stars
0 %
47
4.1 out of 5
47 user ratings
5 stars
36 %
4 stars
44 %
3 stars
17 %
2 stars
2 %
1 stars
0 %

Hardware

CPU clock speed2.3 GHz1.4 GHz2.7 GHz
CPU cores8-coreDual-core8-core
RAM memory4 GB1 GB6 GB
Operating system
N/A
Android 4.1Android 8.0
CPU model
N/A
Samsung Exynos 4 Dual 4210Samsung Exynos 9 Octa 9810
GPU model
N/A
ARM Mali-400 MPARM Mali-G72 MP18

Display

Screen size6.4 in5.3 in6.2 in
Number of colors16.7M16.7M16.7M
Panel typeOLED
  • LCD
  • OLED
OLED
Resolution2340 x 1080 px1280 x 800 px1440 x 2960 px
TechnologySuper AMOLED
  • AMOLED
  • Super AMOLED
  • AMOLED
  • Quad HD+ Super AMOLED
Touchscreen
N/A
yesyes
Pixel density
N/A
285.0 ppi529.0 ppi
Screen material
N/A
Corning Gorilla GlassCorning Gorilla Glass 5.0
Dual screen support
N/A
nono
Scratch resistant display
N/A
yesyes
HDR
N/A
noyes
Multi touch
N/A
yes
N/A

Rear camera

Primary sensor resolution48.0 Mpx8.0 Mpx12.0 Mpx
Resolution (second camera)8.0 Mpx
N/A
12.0 Mpx
Resolution (third camera)5.0 Mpx
N/A
N/A
Lens aperture (second camera)F/2.2
N/A
F/2.4
Lens aperture (third camera)F/2.2
N/A
N/A
Primary Field of View (FoV)80.0 °
N/A
N/A
Field of View (FoV) (second camera)123.0 °
N/A
N/A
Focus adjustmentAutomatic
N/A
  • Automatic
  • Manual
Video recording
N/A
yesyes
Highest video resolution
N/A
1920 x 1080 px3840 x 2160 px
Maximum FPS (regardless of res.)
N/A
30.0 fps960.0 fps
3D Capture
N/A
no
N/A
Autofocus
N/A
yesyes
Digital zoom
N/A
yes
N/A
Face detection
N/A
yes
N/A
Geo-tagging
N/A
yesyes
HDR Capture
N/A
yes
N/A
LED Flash
N/A
yesyes
Panorama
N/A
yes
N/A
Slow-Mo
N/A
no
N/A
Smile detection
N/A
yes
N/A
Touch focus
N/A
yesyes
Primary sensor size
N/A
N/A
1/2.55"
Sensor size (second camera)
N/A
N/A
1/3.4"
Maximum FPS at the highest resolution
N/A
N/A
60.0 fps
Max resolution (highest frame rate)
N/A
N/A
1280 x 720 px
Optical zoom
N/A
N/A
2x
Optical image stabilization
N/A
N/A
yes

Front camera

Primary resolution20.0 Mpx2.0 Mpx8.0 Mpx
Focus adjustmentAutomatic
N/A
  • Automatic
  • Manual
Lens apertureF/2.2
N/A
F/1.7
Primary sensor size
N/A
N/A
1/2.55"

Storage

Internal storage64 GB16 GB
  • 128 GB
  • 256 GB
  • 64 GB
Memory card reader
N/A
yesyes
Maximum card storage
N/A
32GB400GB
Types of memory card supported
N/A
  • microSD
  • microSDHC
  • microSD
  • microSDHC
  • microSDXC

Design

Colour of productBlue
  • Black
  • Blue
  • Brown
  • Grey
  • Pink
  • White
  • Black
  • Blue
  • Grey
  • Purple
  • Titanium grey
Material
N/A
Plastic
  • Aluminum
  • Glass
  • Metal
Water resistant
N/A
noyes
Shock resistant
N/A
nono

Dimensions

Height6.26 in5.78 in6.22 in
Width2.96 in3.26 in2.91 in
Depth0.35 in0.38 in0.33 in
Weight6.63 oz6.28 oz6.67 oz

Sensors

Accelerometeryesyesyes
Proximityyesyesyes
Gyroscopeyesyesyes
Digital compass
N/A
yes
N/A
Ambient light sensor
N/A
yes
N/A
Barometer
N/A
yesyes
Fingerprint
N/A
N/A
yes
Hearth rate monitor
N/A
N/A
yes
ANT+
N/A
N/A
yes
Face scanner
N/A
N/A
yes

Connectivity

Dual sim supportyesnoyes
Sim card size
  • Nano SIM
  • Nano-SIM
Mini-SIMNano-SIM
Bluetoothyesyesyes
Bluetooth version5.0 LE3.0 HS5.0
NFCyesyesyes
Charging connectionUSBUSBUSB
Headphone connection3.5 mm3.5 mm3.5 mm
Type of USB connectorUSB Type-C
N/A
USB Type-C
DLNA certified
N/A
yesno
Bluetooth profile
N/A
  • A2DP
  • AVRCP
  • A2DP
  • AVRCP
  • HFP
  • HID
  • HOGP
  • HSP
  • MAP
  • OPP
  • PAN
  • PBAP
Bluetooth codec
N/A
SBC
  • aptX
  • SBC
USB version
N/A
2.0
3.1
USB On-The-Go (OTG)
N/A
yesyes
Video output
N/A
MHLDisplayPort over USB-C

Cellular

Data transmission
  • GPRS
  • EDGE
  • HSDPA
  • HSUPA
  • HSPA+
  • FDD-LTE
  • TDD-LTE
HSPA+
  • EDGE
  • FDD-LTE
  • GPRS
  • HSDPA
  • HSPA+
  • HSUPA
  • TDD-LTE
  • VoLTE
  • VoWiFi
Navigation system
  • GPS
  • GLONASS
  • BeiDou
  • Galileo
A-GPS
  • BeiDou
  • GLONASS
  • GPS
  • Galileo
GSM frequencies
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
UMTS frequences
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
N/A
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
Wireless network (Wi-Fi)
N/A
yesyes
Wireless networking standard
N/A
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
2G GSM
N/A
yesyes
3G UMTS
N/A
yesyes
4G LTE
N/A
  • no
  • yes
yes
LTE frequencies
N/A
700 MHz
N/A
Mobile hotspot
N/A
yes
N/A
Streaming standards
N/A
N/A
  • Google Cast
  • Miracast

Battery

Battery capacity6000.0 mAh2500.0 mAh3500.0 mAh
Talk time49.0 h13.0 h25.0 h
Replaceable battery
N/A
yesno
Battery type
N/A
Lithium ion
N/A
Standby time
N/A
820.0 h
N/A
Fast charging
N/A
noyes
Wireless charging
N/A
noyes
Fast charging standard
N/A
N/A
Samsung Adaptive Fast Charge
Wireless charging standard
N/A
N/A
  • PMA
  • QI
  • WPC

Often compared with Samsung Galaxy M21

Often compared with Samsung Galaxy Note

Often compared with Samsung Galaxy S9+