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Samsung Galaxy A51 vs OPPO A91

Compare Samsung Galaxy A51

Rs. 25,999
(Out of Stock)

 

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Compare OPPO A91

Rs. 20,290
(Not Released in India)

 

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Summary
79%
77%
Performance

Samsung Exynos 9 Octa 9611

6 GB RAM

MediaTek Helio P70

8 GB RAM

Display

6.5" (16.51 cm)

1080x2400 px (FHD+)

6.4" (16.26 cm)

1080x2340 px (FHD+)

Rear Camera

48 MP + 12 MP + 5 MP + 5 MP

Quad Camera

48 MP + 8 MP + 2 MP + 2 MP

Quad Camera

Front Camera

32 MP

Single Camera

16 MP

Single Camera

Battery

4000 mAh

32 h talktime (4G)

4025 mAh

Storage

128 GB

512 GB (Expandable)

128 GB

256 GB (Expandable)

Expert Rating

4.0/5

Read Expert Review

User Rating

★★★★★
★★★★★

4.3/5 based on 13,285 ratings

Read All User Reviews

Benchmarks

N/A

Compare Prices
Not Available in any store
Notify me when it's available
OPPO A91 is permanently discontinued.
General
Launch Date

January 29, 2020 (Official)

Operating System

Android v10 (Q)

Android v9.0 (Pie)

Custom UI

Samsung One UI

ColorOS

Performance
Good
Good
Chipset

Samsung Exynos 9 Octa 9611

MediaTek Helio P70

CPU

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Octa core (2.1 GHz, Quad core, Cortex A73 + 2 GHz, Quad core, Cortex A53)

Architecture

64 bit

64 bit

Graphics

Mali-G72 MP3

Mali-G72 MP3

RAM

6 GB

8 GB

RAM Type

LPDDR4X

LPDDR4X

Display
Very Good
Very Good
Display Type

Super AMOLED

AMOLED

Screen Size

6.5 " (16.51 cm)

6.4 " (16.26 cm)

Resolution

1080x2400 px (FHD+)

1080x2340 px (FHD+)

Aspect Ratio

20:9

20:9

Pixel Density

405 ppi

403 ppi

Screen to Body Ratio (calculated)

87.44 %

85.44 %

Screen Protection

Corning Gorilla Glass v3

Bezel-less display

with punch-hole display

with waterdrop notch

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Refresh Rate

60 Hz

Screen to Body Ratio (claimed by the brand)

90.7 %

Design
Size Compare
Size Compare
Dimensions

Height: 158.5 mm
Width: 73.6 mm
Thickness: 7.9 mm

Height: 160.2 mm
Width: 73.3 mm
Thickness: 7.9 mm

Weight

172 grams

172 grams

Build Material

Back: Plastic

Colours

Prism Crush White, Prism Crush Black, Prism Crush Pink, Prism Crush Blue

Dark Blue, Red

Camera
Main Camera
Camera Setup

Quad

Quad

Resolution

48 MP f/2.0, Primary Camera(26 mm focal length, 2.25" sensor size, 0.8µm pixel size)12 MP f/2.2, Ultra-Wide Angle Camera
5 MP f/2.4, Macro Camera
5 MP f/2.2, Depth Camera

48 MP, Primary Camera
8 MP f/2.25, Ultra-Wide Angle Camera(1.12µm pixel size)2 MP f/2.4, Macro Camera(1.75µm pixel size)2 MP f/2.4, Depth Camera(1.75µm pixel size)

Autofocus

OIS

No

Flash

, LED Flash

, LED Flash

Image Resolution

8000 x 6000 Pixels

8000 x 6000 Pixels

Settings

Exposure compensation, ISO control

ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

8 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

3840x2160 @ 30 fps

Front Camera
Very Good
Very Good
Camera Setup

Single

Single

Resolution

32 MP f/2.2, Primary Camera(2.8" sensor size, 0.8µm pixel size)

16 MP f/2.0, Primary Camera

Autofocus

No

Flash

No

Video Recording

1920x1080 @ 30 fps

Battery
Good
Good
Capacity

4000 mAh

4025 mAh

Type

Li-ion

Li-ion

Removable

No

No

TalkTime

Up to 32 Hours(4G)

Quick Charging

, Fast, 15W

, VOOC, v3.0

USB Type-C

Storage
Best in Class
Best in Class
Internal Memory

128 GB

128 GB

Expandable Memory

, Up to 512 GB

, Up to 256 GB

User Available Storage

Up to 106 GB

USB OTG

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Nano
SIM2: Nano

SIM1: Nano
SIM2: Nano

Network Support

5G Not Supported in India, 4G Supported in India, 3G, 2G

5G Not Supported in India, 4G Supported in India, 3G, 2G

VoLTE

SIM 1

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

4G Bands:
TD-LTE 2300(band 40)
FD-LTE 1800(band 3)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available

SIM 2

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

4G Bands:
TD-LTE 2300(band 40)
FD-LTE 1800(band 3)
3G Bands:
UMTS 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available

SAR Value

Head: 0.598 W/kg

Wi-Fi

, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz

, Wi-Fi 4 (802.11 b/g/n)

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Mobile Hotspot

Bluetooth

, v5.0

, v5.0

GPS

with A-GPS, Glonass

with A-GPS

NFC

USB Connectivity

Mass storage device, USB charging

Mass storage device, USB charging

Multimedia
Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Audio Features

Dolby Atmos

Sensors
Fingerprint Sensor

Fingerprint Sensor Position

On-screen

On-screen

Fingerprint Sensor Type

Optical

Optical

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Light sensor, Proximity sensor, Accelerometer