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Samsung galaxy M30s vs Redmi K20 vs Samsung Galaxy A50

Key Feature Comparison

6.9

Samsung Galaxy M30s

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7

Redmi K20

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

Qualcomm Snapdragon 730, Adreno 618

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

4000 mAh

Li-Polymer, Quick, v3.0, 18W

4000 mAh

Li-ion, Fast, 15W

6.4 inches

403 ppi, FHD

6.39 inches

403 ppi, FHD

6.4 inches

403 ppi, FHD

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps

Triple, 48MP + 13MP + 8MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps

Triple, 25MP + 5MP + 8MP

1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

6.4 inches
6.39 inches
6.4 inches

Screen Type

Super AMOLED
AMOLED
Super AMOLED

Screen Resolution

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

Pixel Density

403 ppi
403 ppi
403 ppi

Aspect Ratio

19.5:9
19.5:9
19.5:9

Screen Protection

No
Gorilla Glass 5
Gorilla Glass 3

Screen to Body Ratio

91%
91.90%
91.60%

Screen Design

Regular notch
Bezel-less
Waterdrop notch

Screen Quality

FHD
FHD
FHD

Peak Brightness

420 nits
-
-

Phone Variants

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

Expandable Storage

Yes
No
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

UFS 2.1
UFS 2.1
UFS 2.1

Expandable Storage Capacity

Yes, 512 GB
-
Yes, 512 GB

OTG Support

Yes
Yes
Yes

Sensors

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

Operating System

Android v9.0 (Pie)
Android v9.0 (Pie)
Android v9.0 (Pie)

GPU

Mali-G72 MP3
Adreno 618
Mali-G72 MP3

Chipset

Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 730
Samsung Exynos 7 Octa 9610

CPU

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

Custom User Interface

Samsung One UI
MIUI
Samsung One UI

Clock Speed

2.3 GHz
2.2 GHz
2.3 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

10 nm
8 nm
10 nm

Battery Capacity

6000 mAh
4000 mAh
4000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-Polymer
Li-ion

Charger Type

Fast, 15W
Quick, v3.0, 18W
Fast, 15W

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Announced On

5-Sep-19
5-May-19
5-Feb-19

Market Status

Out of Stock
Available
Available

Brand

Samsung
Xiaomi
Samsung

Model Number

SM-M307FZWDINS
MZB7756IN
SM-A505FZKDINS

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 15,900
Rs. 19,450
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
-
-

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, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, ac/b/g/n, 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 SIM, GSM+GSM, Dual VoLTE
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) / 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) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDG...
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) / 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) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDG...
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, 1280x720 @ 30 fps
1920x1080 @ 30 fps

Front Camera Features

HDR
HDR
Fixed Focus

Front Camera Setup

Single, 16MP
Single, 20MP
Single, 25MP

Front Camera 1 Resolution

16 MP
20 MP
25 MP

Front Camera 1 Type

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

Front Aperture

f/2.0
f/2.2
f/2.0

Front Flash

No
-
No

Front Camera 1 Lens

-
0.8 micrometre pixel size
25 mm focal length

Weight

188 grams
191 grams
166 grams

Colors

Opal Black, Sapphire Blue, Pearl White
Carbon Black, Flame Red, Glacier Blue, Pearl White
Black, Blue, White

Build

Back: Plastic
Back: Gorilla Glass
Back: Plastic

Dimensions

159 x 75.1 x 8.9 mm
156.7 x 74.3 x 8.8 mm
158.5 x 74.5 x 7.7 mm

SAR Value

Head: 0.486 W/kg
Head: 1.07 W/kg, Body: 0.723 W/kg
Head: 0.335 W/kg

OIS

No
-
No

Rear Flash

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

Rear Video Recording

3840x2160 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps
1920x1080 @ 30 fps

Rear Camera Features

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

Rear Camera Setup

Triple, 48MP + 8MP + 5MP
Triple, 48MP + 13MP + 8MP
Triple, 25MP + 5MP + 8MP

Rear Camera 1 Resolution

48 MP
48 MP
25 MP

Rear Camera 1 Type

f/2.0 (upto 4x Digital Zoom), Wide Angle (80 degree field-of-view) Primary Camera
f/1.75 Primary Camera
f/1.7 Primary Camera

Rear Camera 1 Lens

2" sensor size, 0.8 micrometre pixel size
2" sensor size, 0.8 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/2.4, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Depth Camera

Rear Camera 3 Resolution

5 MP
8 MP
8 MP

Rear Camera 3 Type

f/2.2, Depth Camera
f/2.4 Telephoto (upto 10x Digital Zoom, upto 2x Optical Zoom) Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera

Rear Sensor

ISOCELL Plus
Exmor-RS CMOS Sensor
CMOS image sensor

Rear Aperture

f/2.0
f/1.75
f/1.7

Rear Camera 2 Lens

-
3" sensor size, 1.12 micrometre pixel size
13 mm focal length

Rear Camera 3 Lens

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

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Rear
On-Screen
On-Screen

Face Unlock

Yes
Yes
Yes

Fingerprint Scanner Type

-
Optical
Optical

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