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Vivo U20 vs Samsung Galaxy M21 vs Samsung Galaxy M31

Key Feature Comparison

6.8

Samsung Galaxy M21

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6.9

Samsung Galaxy M31

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At a Glance

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

Qualcomm Snapdragon 675, Adreno 612

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

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

5000 mAh

Li-ion, Fast, 18W

6000 mAh

Li-ion, Fast, 15W

6000 mAh

Li-ion, Fast, 15W

6.53 inches

395 ppi, FHD

6.4 inches

403 ppi, FHD

6.4 inches

403 ppi, FHD

Triple, 16MP + 8MP + 2MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

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

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

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

6.53 inches
6.4 inches
6.4 inches

Screen Type

IPS LCD
Super AMOLED
Super AMOLED

Screen Resolution

1080 x 2340 pixels
1080 x 2340 pixels
1080 x 2340 pixels

Pixel Density

395 ppi
403 ppi
403 ppi

Aspect Ratio

19.5:9
19.5:9
19.5:9

Screen to Body Ratio

90.30%
91%
83.92%

Screen Design

Waterdrop notch
Waterdrop notch
Regular notch

Screen Quality

FHD
FHD
FHD

Screen Protection

-
Gorilla Glass 3
Gorilla Glass 3

Peak Brightness

-
420 nits
-

Phone Variants

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

Expandable Storage

Yes
Yes
Yes

Storage Type

UFS 2.1
UFS 2.1
UFS 2.1

Expandable Storage Capacity

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

OTG Support

Yes
Yes
Yes

RAM Type

-
LPDDR4X
LPDDR4X

Sensors

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

Operating System

Android v9.0 (Pie)
Android v10 (Q)
Android v10 (Q)

GPU

Adreno 612
Mali-G72 MP3
Mali-G72 MP3

Chipset

Qualcomm Snapdragon 675
Samsung Exynos 9 Octa 9611
Samsung Exynos 9 Octa 9611

CPU

Octa core (2 GHz, Dual core, Kryo 460 + 1.7 GHz, Hexa Core, Kryo 460)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Custom User Interface

Funtouch OS
Samsung One UI
Samsung One UI

Clock Speed

2 GHz
2.3 GHz
2.3 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

11 nm
10 nm
10 nm

Battery Capacity

5000 mAh
6000 mAh
6000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

Fast, 18W
Fast, 15W
Fast, 15W

USB Type-C

No
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

5-Nov-19
18-Mar-20
25-Feb-20

Market Status

Available
Available
Available

Brand

Vivo
Samsung
Samsung

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 11,449
Rs. 13,499
Rs. 15,999

Model Number

-
SM-M215FZKDINS
SM-M315FZKDINS

GPS

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

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

FM Radio

Yes
-
Yes

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

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

Wi-Fi

Yes, Wi-Fi 802.11, b/g/n/n 5GHz
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, 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 SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE

eSIM

No
No
No

Wi-Fi Features

Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, 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) / 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...
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:...
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...

SIM 2 Bands

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...
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:...
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...

Audio Features

-
Dolby Atmos
Dolby Atmos

NFC

-
No
No

Front Video Recording

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

Front Camera Features

HDR
HDR
HDR

Front Camera Setup

Single, 16MP
Single, 20MP
Single, 32MP

Front Camera 1 Resolution

16 MP
20 MP
32 MP

Front Camera 1 Type

f/2.0 Primary Camera
f/2.2 Primary Camera
f/2.0 Primary Camera

Front Camera 1 Lens

3.1" sensor size, 1 micrometre pixel size
26 mm focal length
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size

Front Aperture

f/2.0
f/2.2
f/2.0

Front Flash

Yes, Screen flash
No
No

Front Sensor

-
CMOS
Exmor RS

Weight

193 grams
188 grams
191 grams

Colors

Racing Black, Blaze Blue
Midnight Blue, Raven Black
Black, Blue

Build

Back: Plastic
Back: Plastic
Back: Plastic

Dimensions

162.15 x 76.47 x 8.89 mm
159 x 75.1 x 8.9 mm
159.2 x 75.1 x 8.9 mm

SAR Value

-
Head: 0.468 W/kg
Head: 0.383 W/kg

Rear Flash

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

Rear Video Recording

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

Rear Camera Features

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

Rear Camera Setup

Triple, 16MP + 8MP + 2MP
Triple, 48MP + 8MP + 5MP
Quad, 64MP + 8MP + 5MP + 5MP

Rear Camera 1 Resolution

16 MP
48 MP
64 MP

Rear Camera 1 Type

f/1.78 Primary Camera
f/2.0 (upto 4x Digital Zoom) Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera

Rear Camera 2 Resolution

8 MP
8 MP
8 MP

Rear Camera 2 Type

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

Rear Camera 3 Resolution

2 MP
5 MP
5 MP

Rear Camera 3 Type

f/2.4, Macro Camera
f/2.2, Depth Camera
f/2.4, Macro Camera

Rear Camera 3 Lens

5.0" sensor size, 1.75 micrometre pixel size
-
25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size

Rear Sensor

Exmor-RS CMOS Sensor
CMOS image sensor
ISOCELL Plus

Rear Aperture

f/1.78
f/2.0
f/1.8

OIS

-
No
No

Rear Camera 1 Lens

-
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Lens

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

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Rear
Rear
Rear

Face Unlock

Yes
Yes
Yes
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