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Samsung Galaxy M31 vs Nokia 8 vs Samsung Galaxy A50

Key Feature Comparison

6.9

Samsung Galaxy M31

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6.9

Samsung Galaxy A50

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At a Glance

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

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

Octa core (2.45 GHz, Quad core, Kryo 280 + 1.8 GHz, Quad core, Kryo 280)

Qualcomm Snapdragon 835 MSM8998, Adreno 540

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

Samsung Exynos 7 Octa 9610, Mali-G72 MP3

6000 mAh

Li-ion, Fast, 15W

3090 mAh

Li-ion, Quick, v3.0

4000 mAh

Li-ion, Fast, 15W

6.4 inches

403 ppi, FHD

5.3 inches

554 ppi, 2K

6.4 inches

403 ppi, FHD

Quad, 64MP + 8MP + 5MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps

Dual, 13MP + 13MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Triple, 25MP + 5MP + 8MP

1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

6.4 inches
5.3 inches
6.4 inches

Screen Type

Super AMOLED
IPS LCD
Super AMOLED

Screen Resolution

1080 x 2340 pixels
1440 x 2560 pixels
1080 x 2340 pixels

Pixel Density

403 ppi
554 ppi
403 ppi

Aspect Ratio

19.5:9
16:09
19.5:9

Screen Protection

Gorilla Glass 3
Gorilla Glass 5
Gorilla Glass 3

Screen to Body Ratio

83.92%
69.19%
91.60%

Screen Design

Regular notch
-
Waterdrop notch

Screen Quality

FHD
2K
FHD

Phone Variants

6GB 64GB, 8GB 128GB, 6GB 128GB
4GB 64GB
6GB 64GB, 4GB 64GB, 6GB 128GB,

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

UFS 2.1
-
UFS 2.1

Expandable Storage Capacity

Yes, 512 GB
Yes, 256 GB
Yes, 512 GB

OTG Support

Yes
Yes
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope

Operating System

Android v10 (Q)
Android v7.1.1 (Nougat)
Android v9.0 (Pie)

GPU

Mali-G72 MP3
Adreno 540
Mali-G72 MP3

Chipset

Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 835 MSM8998
Samsung Exynos 7 Octa 9610

CPU

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.45 GHz, Quad core, Kryo 280 + 1.8 GHz, Quad core, Kryo 280)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Custom User Interface

Samsung One UI
Stock
Samsung One UI

Clock Speed

2.3 GHz
2.45 GHz
2.3 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

10 nm
-
10 nm

Battery Capacity

6000 mAh
3090 mAh
4000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

Fast, 15W
Quick, v3.0
Fast, 15W

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

25-Feb-20
5-Sep-17
5-Feb-19

Market Status

Available
Out of Stock
Available

Brand

Samsung
Nokia
Samsung

Model Number

SM-M315FZKDINS
-
SM-A505FZKDINS

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 15,999
Rs. 29,490
Rs. 15,868

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass

Audio Features

Dolby Atmos
24-bit/192kHz audioActive noise cancellation with dedicated mic
Active noise cancellation with dedicated mic

NFC

No
Yes
No

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

FM Radio

Yes
No
-

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano (Hybrid)
SIM1: Nano, SIM2: Nano

Wi-Fi

Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz, MIMO
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz

Bluetooth Type

v5.0
v5.0
v5.0

Audio Jack

3.5 mm
3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM, Dual VoLTE
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE

eSIM

No
No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot

VoLTE

Yes
Yes
Yes

SIM 1 Bands

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...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G...
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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...

SIM 2 Bands

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...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G...
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...

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Features

HDR
-
Fixed Focus

Front Camera Setup

Single, 32MP
Single, 13MP
Single, 25MP

Front Camera 1 Resolution

32 MP
13 MP
25 MP

Front Camera 1 Type

f/2.0 Primary Camera
f/2.0 Primary Camera
f/2.0 Primary Camera

Front Camera 1 Lens

26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
1.12 micrometre pixel size
25 mm focal length

Front Sensor

Exmor RS
-
CMOS

Front Aperture

f/2.0
f/2.0
f/2.0

Front Flash

No
Yes, Screen flash
No

Weight

191 grams
160 grams
166 grams

Colors

Black, Blue
Polished Blue, Tempered Blue, Steel, Polished Copper
Black, Blue, White

Build

Back: Plastic
Case: Aluminium, Back: Aluminium
Back: Plastic

Dimensions

159.2 x 75.1 x 8.9 mm
151.5 x 73.7 x 7.9 mm
158.5 x 74.5 x 7.7 mm

SAR Value

Head: 0.383 W/kg
Head: 1.191 W/kg, Body: 0.805 W/kg
Head: 0.335 W/kg

OIS

No
Yes
No

Rear Flash

Yes, LED Flash
Yes, Dual-color LED Flash
Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
1920x1080 @ 30 fps

Rear Camera Features

8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Quad, 64MP + 8MP + 5MP + 5MP
Dual, 13MP + 13MP
Triple, 25MP + 5MP + 8MP

Rear Camera 1 Resolution

64 MP
13 MP
25 MP

Rear Camera 1 Type

f/1.8 (upto 8x Digital Zoom) Primary Camera
f/2.0 Primary Camera
f/1.7 Primary Camera

Rear Camera 1 Lens

26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
1.12 micrometre pixel size
26 mm focal length

Rear Camera 2 Resolution

8 MP
13 MP
5 MP

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.0 Camera
f/2.2, Depth Camera

Rear Camera 2 Lens

12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
1.12 micrometre pixel size
13 mm focal length

Rear Camera 3 Resolution

5 MP
-
8 MP

Rear Camera 3 Type

f/2.4, Macro Camera
-
f/2.2, Wide Angle, Ultra-Wide Angle Camera

Rear Camera 3 Lens

25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
-
12 mm focal length

Rear Camera 4 Resolution

5 MP
-
-

Rear Camera 4 Type

f/2.2, Depth Camera
-
-

Rear Sensor

ISOCELL Plus
CMOS image sensor
CMOS image sensor

Rear Aperture

f/1.8
f/2.0
f/1.7

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Rear
-
On-Screen

Face Unlock

Yes
-
Yes

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