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Samsung Galaxy M31 vs vivo U20

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Rs. 12,499
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Summary
81%
80%
Performance

Samsung Exynos 9 Octa 9611

6 GB RAM

Snapdragon 675

4 GB RAM

Display

6.4" (16.26 cm)

1080x2340 px (FHD+)

6.53" (16.59 cm)

1080x2340 px (FHD+)

Rear Camera

64 MP + 8 MP + 5 MP + 5 MP

Quad Camera

16 MP + 8 MP + 2 MP

Triple Camera

Front Camera

32 MP

Single Camera

16 MP

Single Camera

Battery

6000 mAh

48 h talktime (4G)

5000 mAh

Storage

64 GB

512 GB (Expandable)

64 GB

256 GB (Expandable)

Expert Rating

3.5/5

Read Expert Review

4.0/5

Read Expert Review

User Rating

★★★★★
★★★★★

4.2/5 based on 322,026 ratings

Read All User Reviews

★★★★★
★★★★★

4.3/5 based on 28,756 ratings

Read All User Reviews

Benchmarks
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Not Available in any store
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General
Launch Date

March 4, 2020 (Official)

November 28, 2019 (Official)

Operating System

Android v10 (Q)

Android v9.0 (Pie)

Custom UI

Samsung One UI

Funtouch OS

Performance
Good
Good
Chipset

Samsung Exynos 9 Octa 9611

Qualcomm Snapdragon 675

CPU

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

Octa core (2 GHz, Dual core, Kryo 460 + 1.7 GHz, Hexa Core, Kryo 460)

Architecture

64 bit

64 bit

Graphics

Mali-G72 MP3

Adreno 612

RAM

6 GB

4 GB

RAM Type

LPDDR4X

Display
Very Good
Good
Display Type

Super AMOLED

IPS LCD

Screen Size

6.4 " (16.26 cm)

6.53 " (16.59 cm)

Resolution

1080x2340 px (FHD+)

1080x2340 px (FHD+)

Aspect Ratio

19.5:9

19.5:9

Pixel Density

403 ppi

395 ppi

Screen to Body Ratio (calculated)

83.92 %

84.23 %

Screen Protection

Corning Gorilla Glass v3

Bezel-less display

with notch

with waterdrop notch

Touch Screen

, Capacitive Touchscreen, Multi-touch

, Capacitive Touchscreen, Multi-touch

Screen to Body Ratio (claimed by the brand)

90.3 %

Design
Size Compare
Size Compare
Dimensions

Height: 159.2 mm
Width: 75.1 mm
Thickness: 8.9 mm

Height: 162.15 mm
Width: 76.47 mm
Thickness: 8.89 mm

Weight

191 grams

193 grams

Build Material

Back: Plastic

Back: Plastic

Colours

Black, Blue

Racing Black, Blaze Blue

Camera
Main Camera
Camera Setup

Quad

Triple

Resolution

64 MP f/1.8, Primary Camera(26 mm focal length, 1.7" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(12 mm focal length, 4.0" sensor size, 1.12µm pixel size)5 MP f/2.4, Macro Camera(25 mm focal length, 5.0" sensor size, 1.12µm pixel size)5 MP f/2.2, Depth Camera

16 MP f/1.78, Primary Camera
8 MP f/2.2, Ultra-Wide Angle Camera
2 MP f/2.4, Macro Camera(5.0" sensor size, 1.75µm pixel size)

Sensor

S5KGW1, ISOCELL Plus

IMX499, Exmor-RS CMOS Sensor

Autofocus

, Phase Detection autofocus

OIS

No

Flash

, LED Flash

, LED Flash

Image Resolution

9000 x 7000 Pixels

4616 x 3464 Pixels

Settings

Exposure compensation, ISO control

Exposure compensation, 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
1920x1080 @ 30 fps
1280x720 @ 240 fps

3840x2160 @ 30 fps
1920x1080 @ 60 fps

Front Camera
Very Good
Very Good
Camera Setup

Single

Single

Resolution

32 MP f/2.0, Primary Camera(26 mm focal length, 2.8" sensor size, 0.8µm pixel size)

16 MP f/2.0, Primary Camera(3.1" sensor size, 1µm pixel size)

Sensor

Exmor RS

Autofocus

No

Flash

No

, Screen flash

Video Recording

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Battery
Very Good
Very Good
Capacity

6000 mAh

5000 mAh

Type

Li-ion

Li-ion

Removable

No

No

TalkTime

Up to 48 Hours(4G)

Standby time

Up to 273 Hours(2G)

Quick Charging

, Fast, 15W

, Fast, 18W

USB Type-C

No

Storage
Best in Class
Best in Class
Internal Memory

64 GB

64 GB

Expandable Memory

, Up to 512 GB

, Up to 256 GB

User Available Storage

Up to 49 GB

Up to 49.5 GB

USB OTG

Network & Connectivity
SIM Slot(s)

Dual SIM, GSM+GSM, Dual VoLTE

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) / 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 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
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 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 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)
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: 0.383 W/kg

Wi-Fi

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

, Wi-Fi 4 (802.11 b/g/n) 5GHz

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot

Mobile Hotspot

Bluetooth

, v5.0

, v5.0

GPS

with A-GPS, Glonass

with A-GPS, Glonass

NFC

No

USB Connectivity

Mass storage device, USB charging

Mass storage device, USB charging, microUSB 2.0

Multimedia
FM Radio

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

Audio Features

Dolby Atmos

Sensors
Fingerprint Sensor

Fingerprint Sensor Position

Rear

Rear

Other Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope