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Samsung Galaxy M51 vs Samsung Galaxy M31s vs Oppo A71

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Last Updated: 
11th Sep 2020

Key Feature Comparison

Samsung Galaxy M51
₹22,999
8/10
Samsung Galaxy M31s
₹17,999
8/10
OPPO A71
₹12,580
7/10
Samsung Galaxy M51
Samsung Galaxy M51
8/10
₹22,999
8/10
VS
Samsung Galaxy M31s
Samsung Galaxy M31s
8/10
₹17,999
8/10
VS
OPPO A71
OPPO A71
7/10
₹12,580
7/10
Display
Screen Size
6.7 inches
6.5 inches
5.2 inches
Display Type
Super AMOLED capacitive touchscreen
Super AMOLED capacitive touchscreen
IPS LCD capacitive touchscreen
Display Resolution
1080 x 2340 pixels
1080 x 2400 pixels
720 x 1280 pixels
Pixel Density
385 ppi
405 ppi
282 ppi
Aspect Ratio
19.5:9
20:09
-
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 3
Corning Gorilla Glass 3
Screen to Body Ratio
87.40%
91 %
68.20%
Battery
Battery Capacity
7000 mAh battery
6000 mAh battery
3000 mAh
User Replaceable
non-removable
Non-removable
Non-removable
Talk Time
Upto 64 Hours
Up to 51 Hours (4G LTE)
-
Music Time
Upto 182 Hours
Up to 125 Hours Audio Playback Time
-
Charging
Fast charging 25WReverse Charging100% in 115 mins
Fast charging 25WReverse charging
-
Battery Type
Li-Po
Li-Po
Li-Ion
Memory & Storage
RAM/Internal Storage
128GB 6GB RAM, 128GB 8GB RAM
128GB 6GB RAM, 128GB 8GB RAM
16 GB, 3 GB RAM
Expandable Memory
microSDXC, up to 512GB
microSDXC (dedicated slot), Up to 512 GB
microSD, up to 256 GB (dedicated slot)
Front Camera
Single Camera
32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron
32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron
5 MP, f/2.4
Front Camera Video
1080p30fps
4K30fps, 1080p30fps
-
Front Camera Features
HDR
HDR
-
Launch
Announced On
2020, August 31
2020, July 30
2017, September
Status
Available. Released 2020, September 17
Available. Released 2020, July 30
Available. Released 2017, September
Performance
OS
Android 10, One UI 2.1
Android 10, One UI 2.5
Android 7.1 (Nougat) ColorOS 3.1
GPU
Adreno 618
Mali-G72 MP3
Mali-T860MP2
Chipset GP
Qualcomm SDM730 Snapdragon 730G (8 nm)
Samsung Exynos 9 Octa 9611
Mediatek MT6750 (28 nm)
CPU
Octa-core (2x2.2 GHz Kryo 470 Gold, 6x1.8 GHz Kryo 470 Silver)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa-core (4x1.5 GHz Cortex-A53 4x1.0 GHz Cortex-A53)
Miscellaneous Features
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), Accelerometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Virtual Proximity Sensing
Accelerometer, proximity, compass
Design
Height
6.40 inches
6.27 inches
5.83 inches
Width
3.05 inches
2.92 inches
2.91 inches
Thickness
0.33 inches
0.36 inches
0.30 inches
Weight
213 g
203 g
137 g
Color
Celestial Black, Electric Blue
Mirage Black, Mirage Blue
Gold, Black
Build
Glass front (Gorilla Glass 3), plastic back, plastic frame
-
Front glass, aluminum body
Sound
HeadPhone Jack
Yes
Yes
Yes
Loudspeaker
Yes
Yes
Yes
Audio Features
Dolby Atmos
Dolby Atmos
Active noise cancellation with dedicated mic
Communications
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 b/g/n, hotspot
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes, with A-GPS
Radio
FM radio
FM radio, RDS, recording
FM radio
USB
2.0, Type-C 1.0 reversible connector
2.0, Type-C 1.0 reversible connector, USB On-The-Go
microUSB 2.0, USB On-The-Go
NFC
Yes
No
No
SIM
Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Network Support
GSM / HSPA / LTE
GSM / HSPA / LTE
GSM / UMTS / LTE
Back Camera
Quad Camera
64 MP, f/1.8, 26mm (wide), 1/1.72, 0.8 micron12 MP, f/2.2, 123degree (ultrawide)5 MP, f/2.4, (macro)5 MP, f/2.4, (depth)
64 MP, f/1.8, 26mm (wide), 1/1.72, 0.8 micron12 MP, f/2.2, 123degree (ultrawide)5 MP, f/2.4, (macro)5 MP, f/2.4, (depth)
-
Autofocus
PDAF
PDAF
PDAF
Back Camera Video
4K30fps, 1080p30fps
4K30fps, 1080p30fps, gyro-EIS
1080p30fps
Back Camera Features
LED flash, panorama, HDR
LED flash, panorama, HDR
LED flash, HDR, panorama
OIS
-
No
-
General
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
4.0, A2DP

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