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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 S8 Mobile Phone
Samsung Galaxy S8
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Samsung Galaxy S9 Mobile Phone
Samsung Galaxy S9
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
10 user ratings
5 stars
70 %
4 stars
20 %
3 stars
10 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
20
4.2 out of 5
10 user ratings
5 stars
10 %
4 stars
90 %
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 %
44
4.1 out of 5
44 user ratings
5 stars
34 %
4 stars
40 %
3 stars
22 %
2 stars
2 %
1 stars
0 %
46
4.3 out of 5
46 user ratings
5 stars
45 %
4 stars
43 %
3 stars
10 %
2 stars
0 %
1 stars
0 %

Hardware

Operating systemGoogle AndroidAndroid 7.0Android 8.0
CPU clock speed2.3 GHz2.3 GHz2.7 GHz
CPU cores8-core8-core8-core
CPU modelSamsung Exynos 9611Samsung Exynos 9 Octa 8895Samsung Exynos 9 Octa 9810
RAM memory4 GB4 GB4 GB
GPU model
N/A
ARM Mali-G71 MP20ARM Mali-G72 MP18

Display

Screen size6.5 in5.8 in5.8 in
Number of colors16.7M16.7M16.7M
Panel typeOLEDOLEDOLED
Resolution2400 x 1080 px1440 x 2960 px1440 x 2960 px
TechnologySuper AMOLED
  • AMOLED
  • Quad HD+ Super AMOLED
  • AMOLED
  • Quad HD+ Super AMOLED
Pixel density408.0 ppi570.0 ppi570.0 ppi
Screen materialCorning Gorilla GlassCorning Gorilla Glass 5.0Corning Gorilla Glass 5.0
Touchscreen
N/A
yesyes
Dual screen support
N/A
nono
Scratch resistant display
N/A
yesyes
HDR
N/A
yesyes
Multi touch
N/A
yesyes

Rear camera

Primary sensor resolution48.0 Mpx12.0 Mpx12.0 Mpx
Resolution (second camera)12.0 Mpx
N/A
N/A
Resolution (third camera)5.0 Mpx
N/A
N/A
Resolution (fourth camera)5.0 Mpx
N/A
N/A
Lens aperture (second camera)F/2.2
N/A
N/A
Lens aperture (third camera)F/2.4
N/A
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
Number of rear cameras
N/A
1
N/A
Primary sensor size
N/A
1/2.55"1/2.55"
Video recording
N/A
yesyes
Highest video resolution
N/A
3840 x 2160 px3840 x 2160 px
Maximum FPS at the highest resolution
N/A
30.0 fps60.0 fps
Maximum FPS (regardless of res.)
N/A
240.0 fps960.0 fps
Max resolution (highest frame rate)
N/A
1280 x 720 px1280 x 720 px
Autofocus
N/A
yesyes
Face detection
N/A
yes
N/A
Geo-tagging
N/A
yesyes
LED Flash
N/A
yesyes
Night Mode
N/A
yes
N/A
Panorama
N/A
yes
N/A
Scene mode
N/A
yes
N/A
Primary lens aperture
N/A
N/A
1.9 f
Optical image stabilization
N/A
N/A
yes
Touch focus
N/A
N/A
yes

Front camera

Primary resolution32.0 Mpx8.0 Mpx8.0 Mpx
Focus adjustmentAutomatic
  • Automatic
  • Manual
  • Automatic
  • Manual
Lens apertureF/2.0F/1.7F/1.7
Number of front cameras
N/A
1
N/A
Primary sensor size
N/A
1/2.55"1/2.55"

Storage

Internal storage128 GB64 GB
  • 256 GB
  • 64 GB
Memory card reader
N/A
yesyes
Maximum card storage
N/A
256GB400GB
Types of memory card supported
N/A
  • microSD
  • microSDHC
  • microSDXC
  • microSD
  • microSDHC
  • microSDXC

Design

Colour of product
  • Prism crush black
  • Prism crush blue
  • Prism crush white
  • Arctic silver
  • Black
  • Blue
  • Gold
  • Grey
  • Midnight black
  • Orchid grey
  • Pink
  • Purple
  • Rose pink
  • Silver
  • Turquoise
  • Black
  • Blue
  • Coral blue
  • Grey
  • Midnight black
  • Pink
  • Polaris blue
  • Purple
  • Sunrise gold
Water resistant
N/A
yesyes
Shock resistant
N/A
nono
Dust resistant
N/A
yes
N/A
Material
N/A
N/A
  • Aluminum
  • Glass
  • Metal

Dimensions

Height6.24 in5.86 in5.81 in
Width2.9 in2.68 in2.7 in
Depth0.31 in0.31 in0.33 in
Weight6.07 oz5.47 oz5.75 oz

Sensors

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

Connectivity

Dual sim supportyesnoyes
Sim card size
  • Nano SIM
  • Nano-SIM
Nano-SIMNano-SIM
Bluetoothyesyesyes
Bluetooth version5.0 LE5.05.0
Bluetooth profile
  • HFP
  • HSP
  • OPP
  • PAN
  • A2DP
  • AVRCP
  • HID
  • SAP
  • PBAP
  • MAP
  • HOGP
  • A2DP
  • AVRCP
  • HFP
  • HID
  • HOGP
  • HSP
  • MAP
  • OPP
  • PAN
  • PBAP
  • SAP
  • 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
nono
Bluetooth codec
N/A
  • aptX
  • SBC
  • aptX
  • SBC
USB version
N/A
3.1
3.1
USB On-The-Go (OTG)
N/A
yesyes
Video output
N/A
DisplayPort over USB-CDisplayPort over USB-C

Cellular

Data transmission
  • EDGE
  • FDD-LTE
  • GPRS
  • HSDPA
  • HSPA+
  • HSUPA
  • TDD-LTE
  • VoLTE
  • VoWiFi
  • EDGE
  • FDD-LTE
  • GPRS
  • HSDPA
  • HSPA+
  • HSUPA
  • TDD-LTE
  • EDGE
  • FDD-LTE
  • GPRS
  • HSDPA
  • HSPA+
  • HSUPA
  • LTE
  • TDD-LTE
  • VoLTE
  • VoWiFi
Navigation system
  • GPS
  • GLONASS
  • BeiDou
  • Galileo
  • BeiDou
  • GLONASS
  • GPS
  • 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
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
Wireless network (Wi-Fi)
N/A
yesyes
Wireless networking standard
N/A
  • 802.11a
  • 802.11ac
  • 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
yesyes
Streaming standards
N/A
  • Google Cast
  • Miracast
  • Google Cast
  • Miracast
Mobile hotspot
N/A
N/A
yes

Battery

Battery typeLithium ion
N/A
N/A
Battery capacity4000.0 mAh3000.0 mAh3000.0 mAh
Talk time32.0 h20.0 h22.0 h
Replaceable battery
N/A
nono
Standby time
N/A
326.0 h326.0 h
Fast charging
N/A
yesyes
Fast charging standard
N/A
Samsung Adaptive Fast ChargeSamsung Adaptive Fast Charge
Wireless charging
N/A
yesyes
Wireless charging standard
N/A
  • PMA
  • QI
  • WPC
  • PMA
  • QI
  • WPC

Often compared with Samsung Galaxy A51

Often compared with Samsung Galaxy S8

Often compared with Samsung Galaxy S9