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Realme 7 vs Samsung Galaxy M31s vs Samsung Galaxy A21S

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Last Updated: 
15th Sep 2020

Key Feature Comparison

Realme 7
₹13,939
8/10
Samsung Galaxy M31s
₹18,499
8/10
Samsung Galaxy A21s
₹13,999
8/10
Realme 7
Realme 7
8/10
₹13,939
8/10
VS
Samsung Galaxy M31s
Samsung Galaxy M31s
8/10
₹18,499
8/10
VS
Samsung Galaxy A21s
Samsung Galaxy A21s
8/10
₹13,999
8/10
Display
Screen Size
6.5 inches
6.5 inches
6.5 inches
Screen Type
IPS LCD
Super AMOLED
PLS TFT LCD
Screen Resolution
1080 x 2400 pixels
1080 x 2400 pixels
720 x 1600 pixels
Pixel Density
405 ppi
405 ppi
270 ppi
Aspect Ratio
20:09
20:09
20:09
Screen Protection
Corning Gorilla Glass
Corning Gorilla Glass v3
-
Screen to Body Ratio
90.50%
91%
82.75%
Screen Design
Punch-Hole Display
Punch-Hole Display
Punch-Hole Display
Screen Refresh Rate
90 Hz
60 Hz
-
Screen Quality
FHD
FHD
HD
Peak Brightness
480 nits
420 nits
-
Memory & Storage
Phone Variants
64GB 6GB RAM, 128GB 8GB RAM
128GB 6GB RAM, 128GB 8GB RAM
64GB 4GB RAM, 64GB 6GB RAM
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
LPDDR4X
LPDDR4X
Storage Type
UFS 2.1
UFS 2.1
eMMC 5.1
Expandable Storage Capacity
Yes, 256 GB
Yes, 512 GB
Yes, 512 GB
OTG Support
Yes
-
Yes
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
General
Announced On
3-Sep-20
30-Jul-20
15-May-20
Market Status
Available
Available
Available
Brand
Realme
Samsung
Samsung
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 12,999
Rs. 18,499
Rs. 13,999
Performance
Operating System
Android v10 (Q)
Android v10 (Q)
Android v10 (Q)
GPU
Mali-G76 MC4
Mali-G72 MP3
Mali-G52 MP1
Chipset
MediaTek Helio G95
Samsung Exynos 9 Octa 9611
Samsung Exynos 8 Octa 850
CPU
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)
Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)
Custom User Interface
Realme UI
Samsung One UI
Samsung One UI
Clock Speed
2.05 GHz
2.3 GHz
2 GHz
Architecture
64 bit
64 bit
64 bit
Battery
Battery Capacity
5000 mAh
6000 mAh
5000 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-ion
Li-ion
Charger Type
Super Dart, 30W
Fast, 25W
Fast, 15W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Charging Time
50 % in 26 minutes
-
-
Network & Connectivity
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dirac Sound Effect, MT6359 Audio Decoding Chip
Dolby Atmos
-
NFC
No
No
No
Bluetooth
Yes
Yes
Yes
FM Radio
No
-
-
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
Front Camera
Front Video Recording
1920x1080 @ 30 fps, 1280x720 @ 30 fps
3840x2160 @ 30 fps
1920x1080 @ 30 fps
Front Camera Features
Fixed Focus
HDR
-
Front Camera Setup
Single, 16MP
Single, 32MP
Single, 13MP
Front Camera 1 Resolution
16 MP
32 MP
13 MP
Front Camera 1 Type
f/2.1, Wide Angle Primary Camera
f/2.2 Primary Camera
f/2.2 Primary Camera
Front Camera 1 Lens
26 mm focal length, 3" sensor size, 1 micrometre pixel size
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
3.1" sensor size, 1.12 micrometre pixel size
Front Sensor
Exmor RS
Exmor RS
-
Front Flash
-
No
No
Design
Weight
196.5 grams
203 grams
192 grams
Colors
Mist Blue, Mist White
Mirage Black, Mirage Blue
Black, Blue, White
Build
Plastic, Splash resistant design
Back: Plastic
Back: Plastic
Dimensions
162.3 x 75.4 x 9.4 mm
159.3 x 74.4 x 9.3 mm
163.7 x 75.3 x 8.9 mm
SAR Value
Head: 0.990 W/kg, Body: 0.934 W/kg
Head: 1.38 W/kg
Head: 0.831 W/kg
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, a/ac/b/g/n
Yes, Wi-Fi 802.11, 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
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) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...
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) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26), 3G Bands: UMTS 19...
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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...
Rear Camera
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 240 fps
3840x2160 @ 30 fps
1920x1080 @ 30 fps
Rear Camera Features
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
Quad, 64MP + 8MP + 2MP + 2MP
Quad, 64MP + 12MP + 5MP + 5MP
Quad, 48MP + 8MP + 2MP + 2MP
Rear Camera 1 Resolution
64 MP
64 MP
48 MP
Rear Camera 1 Type
f/1.8, Wide Angle Primary Camera
f/1.8 (upto 10x Digital Zoom), Wide Angle Primary Camera
f/2.0 (upto 8x Digital Zoom), Wide Angle Primary Camera
Rear Camera 1 Lens
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
Rear Camera 2 Resolution
8 MP
12 MP
8 MP
Rear Camera 2 Type
f/2.3, 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 2 Lens
16 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
-
4.0" sensor size, 1.12 micrometre pixel size
Rear Camera 3 Resolution
2 MP
5 MP
2 MP
Rear Camera 3 Type
f/2.4, Macro Camera
f/2.4, Macro Camera
f/2.4, Macro Camera
Rear Camera 3 Lens
22 mm focal length, 5.0" sensor size, 1.75 micrometre pixel size
-
-
Rear Camera 4 Resolution
2 MP
5 MP
2 MP
Rear Camera 4 Type
f/2.4, Depth Camera
f/2.4, Depth Camera
f/2.4, Depth Camera
Rear Camera 4 Lens
22 mm focal length, 5.0" sensor size, 1.75 micrometre pixel size
-
-
Rear Sensor
Exmor-RS CMOS Sensor
Exmor-RS CMOS Sensor
-
OIS
-
No
No
Sensors
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Side
Side
Rear

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