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Samsung Galaxy A51 Mobile Phone
Samsung Galaxy A51
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Samsung Galaxy S10 Mobile Phone
Samsung Galaxy S10
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Samsung Galaxy S8 Mobile Phone
Samsung Galaxy S8
Available colors
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
19
4.4 out of 5
11 user ratings
5 stars
45 %
4 stars
54 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
19
4.4 out of 5
10 user ratings
5 stars
70 %
4 stars
20 %
3 stars
10 %
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 %
39
4.2 out of 5
39 user ratings
5 stars
38 %
4 stars
46 %
3 stars
12 %
2 stars
2 %
1 stars
0 %
44
4.1 out of 5
44 user ratings
5 stars
34 %
4 stars
40 %
3 stars
22 %
2 stars
2 %
1 stars
0 %

Hardware

Operating systemGoogle AndroidAndroid 9.0 PieAndroid 7.0
CPU clock speed2.3 GHz2.7 GHz2.3 GHz
CPU cores8-core8-core8-core
CPU modelSamsung Exynos 9611
N/A
Samsung Exynos 9 Octa 8895
RAM memory4 GB8 GB4 GB
GPU model
N/A
N/A
ARM Mali-G71 MP20

Display

Screen size6.5 in6.1 in5.8 in
Number of colors16.7M16.7M16.7M
Panel typeOLEDOLEDOLED
Resolution2400 x 1080 px3040 x 1440 px1440 x 2960 px
TechnologySuper AMOLEDInfinity-O Dynamic AMOLED
  • AMOLED
  • Quad HD+ Super AMOLED
Pixel density408.0 ppi550.0 ppi570.0 ppi
Screen materialCorning Gorilla Glass
Corning Gorilla Glass 6
Corning Gorilla Glass 5.0
HDR
N/A
yesyes
Touchscreen
N/A
N/A
yes
Dual screen support
N/A
N/A
no
Scratch resistant display
N/A
N/A
yes
Multi touch
N/A
N/A
yes

Rear camera

Primary sensor resolution48.0 Mpx12.0 Mpx12.0 Mpx
Resolution (second camera)12.0 Mpx12.0 Mpx
N/A
Resolution (third camera)5.0 Mpx16.0 Mpx
N/A
Resolution (fourth camera)5.0 Mpx
N/A
N/A
Lens aperture (second camera)F/2.2F/1.5 & f/2.4
N/A
Lens aperture (third camera)F/2.4F/2.2
N/A
Lens aperture (fourth camera)F/2.2
N/A
N/A
Field of View (FoV) (second camera)123.0 °
N/A
N/A
Focus adjustmentAutomatic
  • Automatic
  • Manual
  • Automatic
  • Manual
Primary Field of View (FoV)
N/A
45.0 °
N/A
Field of View (FoV) (third camera)
N/A
123.0 °
N/A
Optical zoom
N/A
2x
N/A
Number of rear cameras
N/A
N/A
1
Primary sensor size
N/A
N/A
1/2.55"
Video recording
N/A
N/A
yes
Highest video resolution
N/A
N/A
3840 x 2160 px
Maximum FPS at the highest resolution
N/A
N/A
30.0 fps
Maximum FPS (regardless of res.)
N/A
N/A
240.0 fps
Max resolution (highest frame rate)
N/A
N/A
1280 x 720 px
Autofocus
N/A
N/A
yes
Face detection
N/A
N/A
yes
Geo-tagging
N/A
N/A
yes
LED Flash
N/A
N/A
yes
Night Mode
N/A
N/A
yes
Panorama
N/A
N/A
yes
Scene mode
N/A
N/A
yes

Front camera

Primary resolution32.0 Mpx10.0 Mpx8.0 Mpx
Focus adjustmentAutomatic
  • Automatic
  • Manual
  • Automatic
  • Manual
Lens apertureF/2.0F/1.9F/1.7
Primary Field of View (FoV)
N/A
45.0 °
N/A
Number of front cameras
N/A
N/A
1
Primary sensor size
N/A
N/A
1/2.55"

Storage

Internal storage128 GB
  • 128 GB
  • 512 GB
64 GB
Memory card reader
N/A
N/A
yes
Maximum card storage
N/A
N/A
256GB
Types of memory card supported
N/A
N/A
  • microSD
  • microSDHC
  • microSDXC

Design

Colour of product
  • Prism crush black
  • Prism crush blue
  • Prism crush white
Prism black
  • Arctic silver
  • Black
  • Blue
  • Gold
  • Grey
  • Midnight black
  • Orchid grey
  • Pink
  • Purple
  • Rose pink
  • Silver
  • Turquoise
Material
N/A
Gorilla glass 5
N/A
Water resistant
N/A
N/A
yes
Shock resistant
N/A
N/A
no
Dust resistant
N/A
N/A
yes

Dimensions

Height6.24 in5.9 in5.86 in
Width2.9 in2.77 in2.68 in
Depth0.31 in0.31 in0.31 in
Weight6.07 oz5.54 oz5.47 oz

Sensors

Accelerometeryesyesyes
Proximityyesyesyes
Ambient light sensoryes
N/A
N/A
Gyroscopeyesyesyes
Barometer
N/A
yesyes
Digital compass
N/A
N/A
yes
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 supportyesyesno
Sim card size
  • Nano SIM
  • Nano-SIM
Nano SIMNano-SIM
Bluetoothyesyesyes
Bluetooth version5.0 LE5.0 LE5.0
Bluetooth profile
  • HFP
  • HSP
  • OPP
  • PAN
  • A2DP
  • AVRCP
  • HID
  • SAP
  • PBAP
  • MAP
  • HOGP
N/A
  • A2DP
  • AVRCP
  • HFP
  • HID
  • HOGP
  • HSP
  • MAP
  • OPP
  • PAN
  • PBAP
  • SAP
NFCyesyesyes
Charging connectionUSBUSBUSB
Headphone connection3.5 mm3.5 mm3.5 mm
Type of USB connectorUSB Type-CUSB Type-CUSB Type-C
DLNA certified
N/A
N/A
no
Bluetooth codec
N/A
N/A
  • aptX
  • SBC
USB version
N/A
N/A
3.1
USB On-The-Go (OTG)
N/A
N/A
yes
Video output
N/A
N/A
DisplayPort over USB-C

Cellular

Data transmission
  • EDGE
  • FDD-LTE
  • GPRS
  • HSDPA
  • HSPA+
  • HSUPA
  • TDD-LTE
  • VoLTE
  • VoWiFi
  • GPRS
  • EDGE
  • HSDPA
  • HSUPA
  • HSPA+
  • VoLTE
  • FDD-LTE
  • TDD-LTE
  • VoWiFi
  • LAA
  • EDGE
  • FDD-LTE
  • GPRS
  • HSDPA
  • HSPA+
  • HSUPA
  • TDD-LTE
Navigation system
  • GPS
  • GLONASS
  • BeiDou
  • Galileo
  • GPS
  • GLONASS
  • BeiDou
  • Galileo
  • BeiDou
  • GLONASS
  • GPS
  • Galileo
GSM frequencies
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
UMTS frequences
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 2100 MHz
  • 1900 MHz
  • 1700 MHz
  • 850 MHz
  • 900 MHz
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
Wireless network (Wi-Fi)
N/A
N/A
yes
Wireless networking standard
N/A
N/A
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
2G GSM
N/A
N/A
yes
3G UMTS
N/A
N/A
yes
4G LTE
N/A
N/A
yes
Streaming standards
N/A
N/A
  • Google Cast
  • Miracast

Battery

Battery typeLithium ion
N/A
N/A
Battery capacity4000.0 mAh3400.0 mAh3000.0 mAh
Talk time32.0 h21.0 h20.0 h
Wireless charging
N/A
yesyes
Wireless charging standard
N/A
  • WPC
  • PMA
  • Qi
  • Fast Wireless Charging 2.0
  • Wireless PowerShare
  • PMA
  • QI
  • WPC
Replaceable battery
N/A
N/A
no
Standby time
N/A
N/A
326.0 h
Fast charging
N/A
N/A
yes
Fast charging standard
N/A
N/A
Samsung Adaptive Fast Charge

Often compared with Samsung Galaxy A51

Often compared with Samsung Galaxy S10

Often compared with Samsung Galaxy S8