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Compare 3 products

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Oppo A51 Mobile Phone
Oppo A51
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Samsung Galaxy A51 Mobile Phone
Samsung Galaxy A51
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Samsung Galaxy S8 Mobile Phone
Samsung Galaxy S8
Editiorial reviews
1
1 editorial reviews
A good screen paired with not-so-good performanceRead more
Read editorial 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
User rating
55
4.0 out of 5
55 user ratings
5 stars
36 %
4 stars
32 %
3 stars
25 %
2 stars
3 %
1 stars
1 %
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 %

Hardware

Operating systemAndroid 5.1Google AndroidAndroid 7.0
CPU clock speed1.2 GHz2.3 GHz2.3 GHz
CPU coresQuad-core8-core8-core
CPU modelQualcomm Snapdragon 410 MSM8916Samsung Exynos 9611Samsung Exynos 9 Octa 8895
GPU modelQualcomm Adreno 306
N/A
ARM Mali-G71 MP20
RAM memory2 GB4 GB4 GB

Display

Screen size5.0 in6.5 in5.8 in
Number of colors16.7M16.7M16.7M
Panel typeLCDOLEDOLED
Resolution1280 x 720 px2400 x 1080 px1440 x 2960 px
TechnologyIPS LCDSuper AMOLED
  • AMOLED
  • Quad HD+ Super AMOLED
Pixel density294.0 ppi408.0 ppi570.0 ppi
Multi touchyes
N/A
yes
Screen material
N/A
Corning Gorilla GlassCorning Gorilla Glass 5.0
Touchscreen
N/A
N/A
yes
Dual screen support
N/A
N/A
no
Scratch resistant display
N/A
N/A
yes
HDR
N/A
N/A
yes

Rear camera

Primary sensor resolution8.0 Mpx48.0 Mpx12.0 Mpx
Highest video resolution1920 x 1080 px
N/A
3840 x 2160 px
Autofocusyes
N/A
yes
Digital zoomyes
N/A
N/A
Geo-taggingyes
N/A
yes
LED Flashyes
N/A
yes
Resolution (second camera)
N/A
12.0 Mpx
N/A
Resolution (third camera)
N/A
5.0 Mpx
N/A
Resolution (fourth camera)
N/A
5.0 Mpx
N/A
Lens aperture (second camera)
N/A
F/2.2
N/A
Lens aperture (third camera)
N/A
F/2.4
N/A
Lens aperture (fourth camera)
N/A
F/2.2
N/A
Field of View (FoV) (second camera)
N/A
123.0 °
N/A
Focus adjustment
N/A
Automatic
  • Automatic
  • Manual
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
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
Face detection
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 resolution5.0 Mpx32.0 Mpx8.0 Mpx
Focus adjustment
N/A
Automatic
  • Automatic
  • Manual
Lens aperture
N/A
F/2.0F/1.7
Number of front cameras
N/A
N/A
1
Primary sensor size
N/A
N/A
1/2.55"

Storage

Internal storage16 GB128 GB64 GB
Memory card readeryes
N/A
yes
Maximum card storage128GB
N/A
256GB
Types of memory card supportedmicroSD
N/A
  • microSD
  • microSDHC
  • microSDXC

Dimensions

Height5.65 in6.24 in5.86 in
Width2.8 in2.9 in2.68 in
Depth0.3 in0.31 in0.31 in
Weight5.64 oz6.07 oz5.47 oz

Sensors

Accelerometeryesyesyes
Proximityyesyesyes
Digital compassyes
N/A
yes
Ambient light sensoryesyes
N/A
Gyroscope
N/A
yesyes
Fingerprint
N/A
N/A
yes
Barometer
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 sizeMicro-SIM
  • Nano SIM
  • Nano-SIM
Nano-SIM
Bluetoothyesyesyes
Bluetooth version4.05.0 LE5.0
Headphone connection3.5 mm3.5 mm3.5 mm
Type of USB connectorMicro-USBUSB Type-CUSB Type-C
Bluetooth profile
N/A
  • HFP
  • HSP
  • OPP
  • PAN
  • A2DP
  • AVRCP
  • HID
  • SAP
  • PBAP
  • MAP
  • HOGP
  • A2DP
  • AVRCP
  • HFP
  • HID
  • HOGP
  • HSP
  • MAP
  • OPP
  • PAN
  • PBAP
  • SAP
NFC
N/A
yesyes
Charging connection
N/A
USBUSB
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

Wireless network (Wi-Fi)yes
N/A
yes
Data transmissionHSPA+
  • EDGE
  • FDD-LTE
  • GPRS
  • HSDPA
  • HSPA+
  • HSUPA
  • TDD-LTE
  • VoLTE
  • VoWiFi
  • EDGE
  • FDD-LTE
  • GPRS
  • HSDPA
  • HSPA+
  • HSUPA
  • TDD-LTE
Navigation systemGPS
  • GPS
  • GLONASS
  • BeiDou
  • Galileo
  • BeiDou
  • GLONASS
  • GPS
  • Galileo
2G GSMyes
N/A
yes
GSM frequencies
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
CDMA frequences
  • 1900 MHz
  • 2000 MHz
N/A
N/A
4G LTEyes
N/A
yes
LTE frequencies
  • 1900 MHz
  • 2600 MHz
N/A
N/A
Mobile hotspotyes
N/A
N/A
UMTS frequences
N/A
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
Wireless networking standard
N/A
N/A
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
3G UMTS
N/A
N/A
yes
Streaming standards
N/A
N/A
  • Google Cast
  • Miracast

Battery

Battery typeLithium ionLithium ion
N/A
Battery capacity2420.0 mAh4000.0 mAh3000.0 mAh
Talk time
N/A
32.0 h20.0 h
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
Wireless charging
N/A
N/A
yes
Wireless charging standard
N/A
N/A
  • PMA
  • QI
  • WPC

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