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Samsung Galaxy M31s vs Realme X7

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Summary
84%
84%
Display

6.5" (16.51 cm)

1080x2400 px, 405 PPI

6.4" (16.26 cm)

1080x2400 px, 411 PPI

Camera

64 MP + 12 MP + 5 MP + 5 MP (Primary)

32 MP(Front)

64 MP + 8 MP + 2 MP (Primary)

16 MP(Front)

Battery

6000 mAh

51 h talktime (4G)

4310 mAh

Performance

Quad + Quad Core

2.3 GHz + 1.7 GHz, 6 GB RAM

Dual + Hexa Core

2.4 GHz + 2 GHz, 6 GB RAM

Storage

128 GB

512 GB (Expandable)

128 GB

Non Expandable

Expert Rating

★★★★★
★★★★★

Read Expert Review

★★★★★
★★★★★

Read Expert Review

User Rating

★★★★★
★★★★★

4.3/5 based on 94,590 ratings

Read All User Reviews

★★★★★
★★★★★

4.3/5 based on 59,780 ratings

Read All User Reviews

Best Prices
Rs. 14,849 @Samsung... Buy
Rs. 19,100 @Tata CL... Buy
Rs. 19,990 @Flipkart Buy
Rs. 19,999 @Croma Buy
Rs. 19,999 @happimo... Buy
Rs. 19,999 @Flipkart Buy
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General
Launch Date

August 5, 2020 (Official)

February 4, 2021 (Official)

Operating System

Android v10 (Q)

Android v10 (Q)

Custom UI

Samsung One UI

Realme UI

Performance
Good
Very Good
Chipset

Samsung Exynos 9 Octa 9611

MediaTek Dimensity 800U MT6873V

CPU

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

Octa core (2.4 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)

Architecture

64 bit

64 bit

Fabrication

10 nm

7 nm

Graphics

Mali-G72 MP3

Mali-G57 MC3

RAM

6 GB

6 GB

RAM Type

LPDDR4X

LPDDR4X

Display
Very Good
Very Good
Display Type

Super AMOLED

Super AMOLED

Screen Size

6.5 " (16.51 cm)

6.4 " (16.26 cm)

Resolution

1080 x 2400 pixels

1080 x 2400 pixels

Aspect Ratio

20:9

20:9

Pixel Density

405 ppi

411 ppi

Screen to Body Ratio (calculated)

86.07 %

82.61 %

Screen Protection

Corning Gorilla Glass v3,

Corning Gorilla Glass,

Bezel-less display

with punch-hole display

with punch-hole display

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Brightness

420 nits

600 nits

Refresh Rate

60 Hz

60 Hz

Screen to Body Ratio (claimed by the brand)

91 %

90.8 %

Design
Size Compare
Size Compare
Dimensions

Height: 159.3 mm
Width: 74.4 mm
Thickness: 9.3 mm

Height: 160.9 mm
Width: 74.4 mm
Thickness: 8.1 mm

Weight

203 grams

176 grams

Build Material

Back: Plastic

Colours

Mirage Black, Mirage Blue

Space Silver, Nebula

Camera
Very Good
Very Good
Main Camera
Camera Setup

Quad

Triple

Resolution

64 MP f/1.8 (upto 10x Digital Zoom), Wide Angle Primary Camera(26 mm focal length, 1.7" sensor size, 0.8µm pixel size)12 MP f/2.2, Wide Angle, Ultra-Wide Angle Camera
5 MP f/2.4, Macro Camera
5 MP f/2.4, Depth Camera

64 MP f/1.8 (upto 10x Digital Zoom), Wide Angle (80° field-of-view) Primary Camera(25.1 mm focal length, 1.97" sensor size, 0.8µm pixel size)8 MP f/2.3, Wide Angle, Ultra-Wide Angle Camera(15.7 mm focal length, 4.0" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera(23.2 mm focal length, 5.0" sensor size, 1.65µm pixel size)

Sensor

Exmor-RS CMOS Sensor

ISOCELL Plus

Autofocus

, Phase Detection autofocus

OIS

No

Flash

, LED Flash

, LED Flash

Image Resolution

9000 x 7000 Pixels

9000 x 7000 Pixels

Settings

Exposure compensation, ISO control

Exposure compensation, ISO control

Shooting Modes

Continuos Shooting
High Dynamic Range mode (HDR)

Continuos Shooting
High Dynamic Range mode (HDR)

Camera Features

10 x Digital Zoom
Auto Flash
Face detection
Touch to focus

10 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

3840x2160 @ 30 fps

3840x2160 @ 30 fps
1920x1080 @ 60 fps
1280x720 @ 240 fps

Front Camera
Camera Setup

Single

Single

Resolution

32 MP f/2.2 Primary Camera(26 mm focal length, 2.8" sensor size, 0.8µm pixel size)

16 MP f/2.5, Wide Angle Primary Camera(3" sensor size, 1µm pixel size)

Sensor

Exmor RS

Exmor RS

Autofocus

No

Flash

No

Video Recording

3840x2160 @ 30 fps

1920x1080 @ 30 fps
1280x720 @ 30 fps

Battery
Excellent
Very Good
Capacity

6000 mAh

4310 mAh

Type

Li-ion

Li-ion

Removable

No

No

TalkTime

Up to 51 Hours(4G)

Quick Charging

, Fast, 25W

, Super Dart, 50W: 50 % in 18 minutes

USB Type-C

Storage
Best in Class
Best in Class
Internal Memory

128 GB

128 GB

Expandable Memory

, Up to 512 GB

No

User Available Storage

Up to 106 GB

Up to 113 GB

Storage Type

UFS 2.1

UFS 2.1

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

4G (supports Indian bands), 3G, 2G

5G supported by device (network not rolled-out in India), 4G (supports Indian bands), 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) / 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 1900 / 2100 / 850 / 900 MHz
2G Bands:
GSM 1800 / 1900 / 850 / 900 MHz
GPRS:
Available
EDGE:
Available
Read More..

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 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..

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 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 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 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..

SAR Value

Head: 1.38 W/kg

Head: 0.917 W/kg, Body: 0.561 W/kg

Wi-Fi

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

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

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Mobile Hotspot

Bluetooth

, v5.0

, v5.1

GPS

with A-GPS, Glonass

with A-GPS, Glonass

NFC

No

USB Connectivity

Mass storage device, USB charging

Mass storage device, USB charging

Multimedia
Loudspeaker

Audio Jack

3.5 mm

USB Type-C

Audio Features

Dolby Atmos

Sensors
Fingerprint Sensor

Fingerprint Sensor Position

Side

On-screen

Fingerprint Sensor Type

Optical

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Gyroscope

Price list

Rs. 19,100
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Rs. 19,990
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Rs. 19,999
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Rs. 19,999
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Rs. 19,999
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