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Samsung Galaxy M21 vs Realme 6 vs Samsung Galaxy M31

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Last Updated: 
30th Aug 2020

Key Feature Comparison

Samsung Galaxy M21
₹12,699
8/10
Realme 6
₹12,990
8/10
Samsung Galaxy M31
₹13,999
8/10
Samsung Galaxy M21
Samsung Galaxy M21
8/10
₹12,699
8/10
VS
Realme 6
Realme 6
8/10
₹12,990
8/10
VS
Samsung Galaxy M31
Samsung Galaxy M31
8/10
₹13,999
8/10
Display
Screen Size
6.4 inches
6.5 inches
6.4 inches
Screen Type
Super AMOLED
IPS LCD
Super AMOLED
Screen Resolution
1080 x 2340 pixels
1080 x 2400 pixels
1080 x 2340 pixels
Pixel Density
403 ppi
405 ppi
403 ppi
Aspect Ratio
19.5:9
20:09
19.5:9
Screen Protection
Corning Gorilla Glass v3
Corning Gorilla Glass v3
Corning Gorilla Glass v3
Screen to Body Ratio
91%
90.50%
83.92%
Screen Design
Waterdrop Notch
Punch-Hole Display
Notch
Screen Quality
FHD
FHD
FHD
Peak Brightness
420 nits
480 nits
-
Screen Refresh Rate
-
90 Hz
-
Memory & Storage
Phone Variants
64GB 4GB RAM, 128GB 6GB RAM
64GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 64GB 6GB RAM
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
LPDDR4X
LPDDR4X
Storage Type
UFS 2.1
UFS 2.1
UFS 2.1
Expandable Storage Capacity
Yes, 512 GB
Yes, 256 GB
Yes, 512 GB
OTG Support
Yes
Yes
Yes
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
General
Announced On
18-Mar-20
5-Mar-20
25-Feb-20
Market Status
Available
Available
Available
Brand
Samsung
Realme
Samsung
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 13,499
Rs. 13,899
Rs. 15,999
Battery
Battery Capacity
6000 mAh
4300 mAh
6000 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-ion
Li-ion
Charger Type
Fast, 15W
Flash, 30W
Fast, 15W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Charging Time
-
40 % in 15 minutes
-
Performance
Operating System
Android v10 (Q)
Android v10 (Q)
Android v10 (Q)
GPU
Mali-G72 MP3
Mali-G76 MP4
Mali-G72 MP3
Chipset
Samsung Exynos 9 Octa 9611
MediaTek Helio G90T
Samsung Exynos 9 Octa 9611
CPU
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.05 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Custom User Interface
Samsung One UI
Realme UI
Samsung One UI
Clock Speed
2.3 GHz
2.05 GHz
2.3 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
10 nm
12 nm
10 nm
Network & Connectivity
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
Dolby Atmos
Dolby Atmos
NFC
No
No
No
Bluetooth
Yes
Yes
Yes
3.5mm Audio Jack
Yes
Yes
Yes
Bluetooth Type
v5.0
v5.0
v5.0
Audio Jack
3.5 mm
3.5 mm
3.5 mm
FM Radio
-
Yes
Yes
Front Camera
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps
Front Camera Features
HDR
HDR, panorama
HDR
Front Camera Setup
Single, 20MP
Single, 16MP
Single, 32MP
Front Camera 1 Resolution
20 MP
16 MP
32 MP
Front Camera 1 Type
f/2.2 Primary Camera
f/2.0, Wide Angle Primary Camera
f/2.0 Primary Camera
Front Camera 1 Lens
26 mm focal length
26 mm focal length, 3.1" sensor size, 1 micrometre pixel size
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
Front Sensor
CMOS
CMOS
Exmor RS
Front Aperture
f/2.2
f/2.0
f/2.0
Front Flash
No
-
No
Design
Weight
188 grams
191 grams
191 grams
Colors
Midnight Blue, Raven Black
Comet Blue, Comet White
Black, Blue
Build
Back: Plastic
Back: Plastic
Back: Plastic
Dimensions
159 x 75.1 x 8.9 mm
162.1 x 74.8 x 8.9 mm
159.2 x 75.1 x 8.9 mm
SAR Value
Head: 0.468 W/kg
Head: 1.138 W/kg, Body: 0.586 W/kg
Head: 0.383 W/kg
IP Certification
-
Yes, Splash proof
-
Rear Camera
OIS
No
No
No
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 60 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
Rear Camera Features
4 x Digital Zoom, Auto Flash, Face detection, Touch to focus
10 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, 48MP + 8MP + 5MP
Quad, 64MP + 8MP + 2MP + 2MP
Quad, 64MP + 8MP + 5MP + 5MP
Rear Camera 1 Resolution
48 MP
64 MP
64 MP
Rear Camera 1 Type
f/2.0 (upto 4x Digital Zoom) Primary Camera
f/1.8 (upto 10x Digital Zoom), Wide Angle (78 degree field-of-view) Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
Rear Camera 1 Lens
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
1.7" sensor size, 0.8 micrometre pixel size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
Rear Camera 2 Resolution
8 MP
8 MP
8 MP
Rear Camera 2 Type
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.3, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 2 Lens
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
4.0" sensor size, 1.12 micrometre pixel size
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
Rear Camera 3 Resolution
5 MP
2 MP
5 MP
Rear Camera 3 Type
f/2.2, Depth Camera
f/2.4, Macro Camera
f/2.4, Macro Camera
Rear Sensor
CMOS image sensor
ISOCELL Plus
ISOCELL Plus
Rear Aperture
f/2.0
f/1.8
f/1.8
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 Camera 4 Resolution
-
2 MP
5 MP
Rear Camera 4 Type
-
f/2.4 Camera
f/2.2, Depth Camera
Rear Camera 4 Lens
-
5.0" sensor size, 1.75 micrometre pixel size
-
Network
Network Support
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
SIM Size
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
Wi-Fi
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
SIM Slot(s)
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE
eSIM
No
No
No
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot
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) / 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) / 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) / 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) / 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) / 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) / 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...
Sensors
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Rear
Side
Rear

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