Samsung galaxy M30s vs Redmi K20 vs Samsung Galaxy A50
Key Feature Comparison
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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)
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)
6000 mAh
4000 mAh
4000 mAh
6.4 inches
6.39 inches
6.4 inches
Triple, 48MP + 8MP + 5MP
Triple, 48MP + 13MP + 8MP
Triple, 25MP + 5MP + 8MP
4G
4G
4G
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