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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 S9 Mobile Phone
Samsung Galaxy S9
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Xiaomi Mi 3S Mobile Phone
Xiaomi Mi 3S
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
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
3
3 editorial reviews
Hands-on with the Redmi 3S Prime from Xiaomi. This phone packs big performance into a well-built feature rich package costing less than the competition.Read more
Worth every penny!Read more
Xiaomi redefined the entry-level segment in 2014 with the Redmi 1S. Two years later, the brand is at it once again with the Redmi 3S.Read more
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 %
46
4.3 out of 5
46 user ratings
5 stars
45 %
4 stars
43 %
3 stars
10 %
2 stars
0 %
1 stars
0 %
38
4.0 out of 5
38 user ratings
5 stars
34 %
4 stars
31 %
3 stars
34 %
2 stars
0 %
1 stars
0 %

Hardware

Operating systemGoogle AndroidAndroid 8.0Android 4.4
CPU clock speed2.3 GHz2.7 GHz
N/A
CPU cores8-core8-coreQuad-core
CPU modelSamsung Exynos 9611Samsung Exynos 9 Octa 9810
N/A
RAM memory4 GB4 GB3 GB
GPU model
N/A
ARM Mali-G72 MP18
N/A

Display

Screen size6.5 in5.8 in5.0 in
Number of colors16.7M16.7M
N/A
Panel typeOLEDOLEDLCD
Resolution2400 x 1080 px1440 x 2960 px1920 x 1080 px
TechnologySuper AMOLED
  • AMOLED
  • Quad HD+ Super AMOLED
IPS LCD
Pixel density408.0 ppi570.0 ppi441.0 ppi
Screen materialCorning Gorilla GlassCorning Gorilla Glass 5.0
N/A
Touchscreen
N/A
yes
N/A
Dual screen support
N/A
no
N/A
Scratch resistant display
N/A
yes
N/A
HDR
N/A
yes
N/A
Multi touch
N/A
yesyes

Rear camera

Primary sensor resolution48.0 Mpx12.0 Mpx13.0 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
N/A
Primary sensor size
N/A
1/2.55"
N/A
Primary lens aperture
N/A
1.9 f
N/A
Video recording
N/A
yes
N/A
Highest video resolution
N/A
3840 x 2160 px1920 x 1080 px
Maximum FPS at the highest resolution
N/A
60.0 fps
N/A
Maximum FPS (regardless of res.)
N/A
960.0 fps
N/A
Max resolution (highest frame rate)
N/A
1280 x 720 px
N/A
Autofocus
N/A
yesyes
Geo-tagging
N/A
yes
N/A
LED Flash
N/A
yesyes
Optical image stabilization
N/A
yes
N/A
Touch focus
N/A
yes
N/A

Front camera

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

Design

Colour of product
  • Prism crush black
  • Prism crush blue
  • Prism crush white
  • Black
  • Blue
  • Coral blue
  • Grey
  • Midnight black
  • Pink
  • Polaris blue
  • Purple
  • Sunrise gold
Silver
Material
N/A
  • Aluminum
  • Glass
  • Metal
N/A
Water resistant
N/A
yes
N/A
Shock resistant
N/A
no
N/A

Sensors

Accelerometeryesyesyes
Proximityyesyesyes
Ambient light sensoryesyesyes
Gyroscopeyesyes
N/A
Fingerprint
N/A
yes
N/A
Barometer
N/A
yes
N/A
Hearth rate monitor
N/A
yes
N/A
ANT+
N/A
yes
N/A
Face scanner
N/A
yes
N/A
Digital compass
N/A
N/A
yes

Connectivity

Dual sim supportyesyes
N/A
Sim card size
  • Nano SIM
  • Nano-SIM
Nano-SIM
N/A
Bluetoothyesyesyes
Bluetooth version5.0 LE5.04.0
Bluetooth profile
  • HFP
  • HSP
  • OPP
  • PAN
  • A2DP
  • AVRCP
  • HID
  • SAP
  • PBAP
  • MAP
  • HOGP
  • A2DP
  • AVRCP
  • HFP
  • HID
  • HOGP
  • HSP
  • MAP
  • OPP
  • PAN
  • PBAP
  • SAP
N/A
NFCyesyesyes
Charging connectionUSBUSB
N/A
Headphone connection3.5 mm3.5 mm3.5 mm
Type of USB connectorUSB Type-CUSB Type-CMicro-USB
DLNA certified
N/A
no
N/A
Bluetooth codec
N/A
  • aptX
  • SBC
N/A
USB version
N/A
3.1
N/A
USB On-The-Go (OTG)
N/A
yesyes
Video output
N/A
DisplayPort over USB-C
N/A

Cellular

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

Often compared with Samsung Galaxy A51

Often compared with Samsung Galaxy S9

Often compared with Xiaomi Mi 3S