Xiaomi Redmi 8A Dual vs Realme Narzo 10A vs Samsung Galaxy M31
Key Feature Comparison
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At a Glance
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Octa core (1.95 GHz, Quad core, Cortex A53 + 1.45 GHz, Quad core, Cortex A53)
Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
5000 mAh
5000 mAh
6000 mAh
6.22 inches
6.5 inches
6.4 inches
Dual, 13MP + 2MP
Triple, 12MP + 2MP + 2MP
Quad, 64MP + 8MP + 5MP + 5MP
4G
4G
4G
Detailed Specs
Screen Size
6.22 inches
6.5 inches
6.4 inches
Screen Type
IPS LCD
IPS LCD
Super AMOLED
Screen Resolution
720 x 1520 pixels
720 x 1600 pixels
1080 x 2340 pixels
Pixel Density
270 ppi
270 ppi
403 ppi
Screen Protection
Gorilla Glass 5
Gorilla Glass 3
Gorilla Glass 3
Screen to Body Ratio
81.48%
89.80%
83.92%
Screen Design
Waterdrop notch
Waterdrop notch
Regular notch
Peak Brightness
400 nits
480 nits
-
Aspect Ratio
-
20:09
19.5:9
Screen Refresh Rate
-
60 Hz
-
Phone Variants
3GB 64GB, 3GB 32GB, 2GB 32GB
4GB 64GB, 3GB 32GB
6GB 64GB, 8GB 128GB, 6GB 128GB
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR3
LPDDR4X
LPDDR4X
Storage Type
eMMC 5.1
eMMC 5.1
UFS 2.1
Expandable Storage Capacity
Yes, 512 GB
Yes, 256 GB
Yes, 512 GB
OTG Support
-
Yes
Yes
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass
Light sensor, Proximity sensor, Accelerometer
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Operating System
Android v9.0 (Pie)
Android v10 (Q)
Android v10 (Q)
GPU
Adreno 505
Mali-G52
Mali-G72 MP3
Chipset
Qualcomm Snapdragon 439
MediaTek Helio G70
Samsung Exynos 9 Octa 9611
CPU
Octa core (1.95 GHz, Quad core, Cortex A53 + 1.45 GHz, Quad core, Cortex A53)
Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Custom User Interface
MIUI
Realme UI
Samsung One UI
Clock Speed
1.95 GHz
2 GHz
2.3 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
12 nm
12 nm
10 nm
Battery Capacity
5000 mAh
5000 mAh
6000 mAh
Battery Removable
No
No
No
Battery Type
Li-Polymer
Li-ion
Li-ion
Charger Type
Fast, 18W
-
Fast, 15W
USB Type-C
Yes
No
Yes
Fast Charging
Yes
-
Yes
Announced On
11-Feb-20
11-May-20
25-Feb-20
Market Status
Available
Available
Available
Brand
Xiaomi
Realme
Samsung
Model Number
M1908C3KI
RMX2020
SM-M315FZKDINS
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 6,999
Rs. 9,949
Rs. 15,999
Water Resistance
Yes, Splash proof
Yes, Splash proof
-
Weight
188 grams
195 grams
191 grams
Colors
Midnight Grey, Sea Blue, Sky White
So Blue, So White
Black, Blue
Build
Back: Plastic
Back: Plastic
Back: Plastic
Dimensions
156.4 x 75.4 x 9.4 mm
164.4 x 75 x 8.9 mm
159.2 x 75.1 x 8.9 mm
SAR Value
-
Head: 1.130 W/kg, Body: 0.685 W/kg
Head: 0.383 W/kg
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
NFC
No
No
No
Network Support
4G
4G
4G
Bluetooth
Yes
Yes
Yes
FM Radio
Yes, Wireless FM
-
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
Yes, Wi-Fi 802.11, b/g/n
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Bluetooth Type
v4.2
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
Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
VoLTE
Yes
Yes
Yes
SIM 1 Bands
4G Bands: TD-LTE 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) / 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 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) / 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...
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps
Front Camera Features
HDR
HDR, panorama
HDR
Front Camera Setup
Single, 8MP
Single, 5MP
Single, 32MP
Front Camera 1 Resolution
8 MP
5 MP
32 MP
Front Camera 1 Type
f/2.0 Primary Camera
f/2.4, Wide Angle Primary Camera
f/2.0 Primary Camera
Front Camera 1 Lens
1.12 micrometre pixel size
5.0" sensor size, 1.12 micrometre pixel size
26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
Front Sensor
CMOS
-
Exmor RS
Front Aperture
f/2.0
f/2.4
f/2.0
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
1920x1080 @ 30 fps, 1280x720 @ 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
Dual, 13MP + 2MP
Triple, 12MP + 2MP + 2MP
Quad, 64MP + 8MP + 5MP + 5MP
Rear Camera 1 Resolution
13 MP
12 MP
64 MP
Rear Camera 1 Type
f/2.2 Primary Camera
f/1.8 (upto 4x Digital Zoom) Primary Camera
f/1.8 (upto 8x Digital Zoom) Primary Camera
Rear Camera 1 Lens
3.1" sensor size, 1.12 micrometre pixel size
2.8" sensor size, 1.25 micrometre pixel size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
Rear Camera 2 Resolution
2 MP
2 MP
8 MP
Rear Camera 2 Type
f/2.4, Depth Camera
f/2.4, Depth Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 2 Lens
1.75 micrometre pixel size
5.0" sensor size, 1.75 micrometre pixel size
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
Rear Sensor
CMOS image sensor
CMOS image sensor
ISOCELL Plus
Rear Aperture
f/2.2
f/1.8
f/1.8
Rear Camera 3 Resolution
-
2 MP
5 MP
Rear Camera 3 Type
-
f/2.4, Macro 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
Fingerprint Scanner
No
Yes
Yes
Face Unlock
Yes
Yes
Yes
Fingerprint Scanner Position
-
Rear
Rear