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Compare 3 products

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Samsung Galaxy A51 Mobile Phone
Samsung Galaxy A51
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Samsung Galaxy S21 5G Mobile Phone
Samsung Galaxy S21 5G
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Samsung Galaxy S21 Ultra 5G Mobile Phone
Samsung Galaxy S21 Ultra 5G
Editiorial reviews
13
3.3 out of 5
6 user ratings
5 stars
0 %
4 stars
66 %
3 stars
33 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
14
4.1 out of 5
10 user ratings
5 stars
20 %
4 stars
80 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
16
4.4 out of 5
10 user ratings
5 stars
60 %
4 stars
40 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
42
4.3 out of 5
42 user ratings
5 stars
47 %
4 stars
35 %
3 stars
16 %
2 stars
0 %
1 stars
0 %
38
4.0 out of 5
38 user ratings
5 stars
31 %
4 stars
36 %
3 stars
31 %
2 stars
0 %
1 stars
0 %
43
4.3 out of 5
43 user ratings
5 stars
46 %
4 stars
39 %
3 stars
13 %
2 stars
0 %
1 stars
0 %

Hardware

Operating systemGoogle AndroidAndroid 11Android 11
CPU clock speed2.3 GHz2.9 GHz2.9 GHz
CPU cores8-core8-core8-core
CPU modelSamsung Exynos 9611Samsung Exynos 2100Samsung Exynos 2100
RAM memory4 GBLPDDR5 SDRAM - 8 GB
  • 12 GB
  • 16 GB

Display

Screen size6.5 in6.2 in6.8 in
Number of colors16.7M16.7M16.7M
Panel typeOLEDOLEDOLED
Resolution2400 x 1080 px2400 x 1080 px3200 x 1440 px
TechnologySuper AMOLEDInfinity-O Dynamic AMOLED 2XInfinity-O Dynamic AMOLED 2X
Pixel density408.0 ppi421.0 ppi515.0 ppi
Screen materialCorning Gorilla GlassCorning Gorilla Glass Victus
Corning Gorilla Glass Victus
HDR
N/A
yesyes

Rear camera

Primary sensor resolution48.0 Mpx12.0 Mpx12.0 Mpx
Resolution (second camera)12.0 Mpx12.0 Mpx108.0 Mpx
Resolution (third camera)5.0 Mpx64.0 Mpx10.0 Mpx
Resolution (fourth camera)5.0 Mpx
N/A
10.0 Mpx
Lens aperture (second camera)F/2.2F/2.2F/1.8
Lens aperture (third camera)F/2.4F/2.0F/2.4
Lens aperture (fourth camera)F/2.2
N/A
F/4.9
Field of View (FoV) (second camera)123.0 °120.0 °83.0 °
Focus adjustmentAutomaticAutomaticAutomatic
Primary sensor size
N/A
1/1.76"
N/A
Primary Field of View (FoV)
N/A
79.0 °120.0 °
Field of View (FoV) (third camera)
N/A
76.0 °35.0 °
Optical zoom
N/A
3x3x
Sensor size (second camera)
N/A
N/A
1/1.33"
Field of View (FoV) (fourth camera)
N/A
N/A
10.0 °

Front camera

Primary resolution32.0 Mpx10.0 Mpx40.0 Mpx
Focus adjustmentAutomaticAutomaticAutomatic
Lens apertureF/2.0F/2.2F/2.2
Primary Field of View (FoV)
N/A
79.0 °120.0 °

Storage

Internal storage128 GB
  • 128 GB
  • 256 GB
  • 128 GB
  • 256 GB
  • 512 GB

Dimensions

Height6.24 in5.97 in6.36 in
Width2.9 in2.8 in2.98 in
Depth0.31 in0.31 in0.35 in
Weight6.07 oz5.96 oz8.01 oz

Sensors

Accelerometeryesyesyes
Proximityyesyesyes
Ambient light sensoryesyesyes
Gyroscopeyesyesyes
Barometer
N/A
yesyes

Connectivity

Dual sim supportyes
N/A
yes
Sim card size
  • Nano SIM
  • Nano-SIM
  • Nano SIM
  • Electronic SIM card
  • Nano SIM
  • Electronic SIM card
Bluetoothyes
N/A
yes
Bluetooth version5.0 LE5.05.0
Bluetooth profile
  • HFP
  • HSP
  • OPP
  • PAN
  • A2DP
  • AVRCP
  • HID
  • SAP
  • PBAP
  • MAP
  • HOGP
N/A
N/A
NFCyes
N/A
yes
Charging connectionUSBUSBUSB
Headphone connection3.5 mm
N/A
N/A
Type of USB connectorUSB Type-CUSB Type-CUSB Type-C

Cellular

Data transmission
  • EDGE
  • FDD-LTE
  • GPRS
  • HSDPA
  • HSPA+
  • HSUPA
  • TDD-LTE
  • VoLTE
  • VoWiFi
  • FDD-LTE
  • TDD-LTE
  • 5G NR FR1
  • 5G NR
  • 5G NR FR1
  • FDD-LTE
  • HSPA+
  • HSUPA
  • LTE
  • TDD-LTE
  • FDD-LTE
  • TDD-LTE
  • 5G NR FR1
Navigation system
  • GPS
  • GLONASS
  • BeiDou
  • Galileo
  • GPS
  • GLONASS
  • BeiDou
  • Galileo
  • GPS
  • GLONASS
  • BeiDou
  • Galileo
GSM frequencies
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
N/A
N/A
UMTS frequences
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 2100 MHz
  • 1900 MHz
  • 1700 MHz
  • 850 MHz
  • 900 MHz
  • 2100 MHz
  • 1900 MHz
  • 1700 MHz
  • 850 MHz
  • 900 MHz

Battery

Battery typeLithium ion
N/A
N/A
Battery capacity4000.0 mAh4000.0 mAh5000.0 mAh
Talk time32.0 h33.0 h41.0 h
Wireless charging
N/A
yesyes
Wireless charging standard
N/A
  • WPC
  • Qi
  • Fast Wireless Charging 2.0
  • Wireless PowerShare
  • WPC
  • Qi
  • Fast Wireless Charging 2.0
  • Wireless PowerShare

Often compared with Samsung Galaxy A51

Often compared with Samsung Galaxy S21 5G

Often compared with Samsung Galaxy S21 Ultra 5G