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Samsung Galaxy M31s vs Samsung Galaxy A71 vs Samsung Galaxy Z4

Key Feature Comparison

6.9

Samsung Galaxy M31s

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7.5

Samsung Galaxy A71

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3.7

Samsung Z4

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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 (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)

Qualcomm Snapdragon 730, Adreno 618

Quad core, 1.5 GHz, Cortex A7

Spreadtrum SC9830A, Mali-400 MP2

6000 mAh

Li-ion, Fast, 25W

4500 mAh

Li-ion, Fast, 25W

2050 mAh

Li-ion

6.5 inches

405 ppi, FHD

6.7 inches

393 ppi, FHD

4.5 inches

207 ppi

Quad, 64MP + 12MP + 5MP + 5MP

3840x2160 @ 30 fps

Quad, 64MP + 12MP + 5MP + 5MP

3840x2160 @ 30 fps

Single, 5MP

1280x720 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.5 inches
6.7 inches
4.5 inches

Screen Type

Super AMOLED
Super AMOLED
TFT

Screen Resolution

1080 x 2400 pixels
1080 x 2400 pixels
480 x 800 pixels

Pixel Density

405 ppi
393 ppi
207 ppi

Aspect Ratio

20:09
20:09
-

Screen Protection

Gorilla Glass 3
Gorilla Glass 3
-

Screen to Body Ratio

91%
87.17%
62.67%

Screen Design

Punch hole
Punch hole
-

Screen Refresh Rate

60 Hz
60 Hz
-

Screen Quality

FHD
FHD
-

Peak Brightness

420 nits
-
-

Phone Variants

8GB 128GB, 6GB 128GB
8GB 128GB
1GB 8GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
-

Storage Type

UFS 2.1
UFS 2.1
-

Expandable Storage Capacity

Yes, 512 GB
Yes, 512 GB
Yes, 128 GB

OTG Support

-
Yes
Yes

Sensors

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

Operating System

Android v10 (Q)
Android v10 (Q)
Tizen v3.0

GPU

Mali-G72 MP3
Adreno 618
Mali-400 MP2

Chipset

Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 730
Spreadtrum SC9830A

CPU

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Quad core, 1.5 GHz, Cortex A7

Custom User Interface

Samsung One UI
Samsung One UI
-

Clock Speed

2.3 GHz
2.2 GHz
1.5 GHz

Architecture

64 bit
64 bit
-

Process Technology

10 nm
8 nm
-

Battery Capacity

6000 mAh
4500 mAh
2050 mAh

Battery Removable

No
No
Yes

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

Fast, 25W
Fast, 25W
-

USB Type-C

Yes
Yes
No

Fast Charging

Yes
Yes
-

Announced On

30-Jul-20
5-Dec-19
17-May-17

Market Status

Available
Available
Out of Stock

Brand

Samsung
Samsung
Samsung

Model Number

SM-M317FZBDINS
SM-A715FZK2INS
-

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 18,499
Rs. 26,990
Rs. 6,200

GPS

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

Audio Features

Dolby Atmos
Dolby Atmos
-

NFC

No
Yes
No

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
SIM1: Micro, SIM2: Micro

Wi-Fi

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

Bluetooth Type

v5.0
v5.0
v4.0

Audio Jack

3.5 mm
3.5 mm
3.5 mm

SIM Slot(s)

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

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 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
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), 3G Bands: UMTS 19...
4G Bands: TD-LTE 2300(band 40), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 2100 / 900 MHz, 2G Bands: GSM 1800 / 900 MHz, GPRS: Available, EDGE: Available...

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 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
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), 3G Bands: UMTS 19...
2G Bands: GSM 1800 / 900 MHz, GPRS: Available...

Front Video Recording

3840x2160 @ 30 fps
1920x1080 @ 30 fps
-

Front Camera Features

HDR
HDR
LED flash

Front Camera Setup

Single, 32MP
Single, 32MP
Single, 5MP

Front Camera 1 Resolution

32 MP
32 MP
5 MP

Front Camera 1 Type

f/2.2 Primary Camera
f/2.2 Primary Camera
Front Camera

Front Camera 1 Lens

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

Front Sensor

Exmor RS
-
CMOS

Front Aperture

f/2.2
f/2.2
-

Front Flash

No
No
Yes, LED Flash

Weight

203 grams
179 grams
143 grams

Colors

Mirage Black, Mirage Blue
Prism Crush Black, Prism Crush Blue, Prism Crush Silver
Gold

Build

Back: Plastic
Back: Plastic
-

Dimensions

159.3 x 74.4 x 9.3 mm
163.6 x 76 x 7.7 mm
132.9 x 69.2 x 10.3 mm

SAR Value

Head: 1.38 W/kg
Head: 0.836 W/kg
-

OIS

No
No
No

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, Dual LED Flash

Rear Video Recording

3840x2160 @ 30 fps
3840x2160 @ 30 fps
1280x720 @ 30 fps

Rear Camera Features

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

Rear Camera Setup

Quad, 64MP + 12MP + 5MP + 5MP
Quad, 64MP + 12MP + 5MP + 5MP
Single, 5MP

Rear Camera 1 Resolution

64 MP
64 MP
5 MP

Rear Camera 1 Type

f/1.8 (upto 10x Digital Zoom), Wide Angle Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
Primary Camera

Rear Camera 1 Lens

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

Rear Camera 2 Resolution

12 MP
12 MP
-

Rear Camera 2 Type

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

Rear Camera 3 Resolution

5 MP
5 MP
-

Rear Camera 3 Type

f/2.4, Macro Camera
f/2.4, Macro Camera
-

Rear Camera 4 Resolution

5 MP
5 MP
-

Rear Camera 4 Type

f/2.4, Depth Camera
f/2.2, Depth Camera
-

Rear Sensor

Exmor-RS CMOS Sensor
ISOCELL Plus
CMOS image sensor

Rear Aperture

f/1.8
f/1.8
-

Fingerprint Scanner

Yes
Yes
No

Fingerprint Scanner Position

Side
On-Screen
-

Face Unlock

Yes
Yes
-

Fingerprint Scanner Type

-
Optical
-
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