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Xiaomi Redmi 8A Dual vs Samsung Galaxy A31 vs Realme Narzo 10A

Key Feature Comparison

6.6

Xiaomi Redmi 8A Dual

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7

Samsung Galaxy A31

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6.6

Realme Narzo 10A

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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)

Qualcomm Snapdragon 439, Adreno 505

Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)

MediaTek Helio P65, Mali-G52

Octa core (2 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)

MediaTek Helio G70, Mali-G52

5000 mAh

Li-Polymer, Fast, 18W

5000 mAh

Li-ion, Fast, 15W

5000 mAh

Li-ion

6.22 inches

270 ppi

6.4 inches

411 ppi, FHD

6.5 inches

270 ppi

Dual, 13MP + 2MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Quad, 48MP + 8MP + 5MP + 5MP

1920x1080 @ 30 fps

Triple, 12MP + 2MP + 2MP

1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.22 inches
6.4 inches
6.5 inches

Screen Type

IPS LCD
Super AMOLED
IPS LCD

Screen Resolution

720 x 1520 pixels
1080 x 2400 pixels
720 x 1600 pixels

Pixel Density

270 ppi
411 ppi
270 ppi

Screen Protection

Gorilla Glass 5
-
Gorilla Glass 3

Screen to Body Ratio

81.48%
84.92%
89.80%

Screen Design

Waterdrop notch
Waterdrop notch
Waterdrop notch

Peak Brightness

400 nits
-
480 nits

Aspect Ratio

-
20:09
20:09

Screen Quality

-
FHD
-

Phone Variants

3GB 64GB, 3GB 32GB, 2GB 32GB
6GB 128GB
4GB 64GB, 3GB 32GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR3
LPDDR4X
LPDDR4X

Storage Type

eMMC 5.1
-
eMMC 5.1

Expandable Storage Capacity

Yes, 512 GB
Yes, 512 GB
Yes, 256 GB

OTG Support

-
Yes
Yes

Sensors

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

Operating System

Android v9.0 (Pie)
Android v10 (Q)
Android v10 (Q)

GPU

Adreno 505
Mali-G52
Mali-G52

Chipset

Qualcomm Snapdragon 439
MediaTek Helio P65
MediaTek Helio G70

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 GHz, Dual core, Cortex A75 + 1.7 GHz, Hexa Core, Cortex A55)

Custom User Interface

MIUI
Samsung One UI
Realme UI

Clock Speed

1.95 GHz
2 GHz
2 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

12 nm
12 nm
12 nm

Battery Capacity

5000 mAh
5000 mAh
5000 mAh

Battery Removable

No
No
No

Battery Type

Li-Polymer
Li-ion
Li-ion

Charger Type

Fast, 18W
Fast, 15W
-

USB Type-C

Yes
Yes
No

Fast Charging

Yes
Yes
-

Announced On

11-Feb-20
24-Mar-20
11-May-20

Market Status

Available
Available
Available

Brand

Xiaomi
Samsung
Realme

Model Number

M1908C3KI
SM-A315FZB1INS/SM-A315FZBWINS
RMX2020

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 6,999
Rs. 17,999
Rs. 9,949

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass

NFC

No
Yes
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, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, b/g/n

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

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 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), 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) / 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...

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) / 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), 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) / 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...

Audio Features

-
Dolby Atmos
-

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Features

HDR
-
HDR, panorama

Front Camera Setup

Single, 8MP
Single, 20MP
Single, 5MP

Front Camera 1 Resolution

8 MP
20 MP
5 MP

Front Camera 1 Type

f/2.0 Primary Camera
f/2.2 Primary Camera
f/2.4, Wide Angle Primary Camera

Front Camera 1 Lens

1.12 micrometre pixel size
-
5.0" sensor size, 1.12 micrometre pixel size

Front Sensor

CMOS
-
-

Front Aperture

f/2.0
f/2.2
f/2.4

Front Flash

-
No
-

Weight

188 grams
185 grams
195 grams

Colors

Midnight Grey, Sea Blue, Sky White
Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
So Blue, So White

Build

Back: Plastic
-
Back: Plastic

Dimensions

156.4 x 75.4 x 9.4 mm
159.3 x 73.1 x 8.6 mm
164.4 x 75 x 8.9 mm

SAR Value

-
Head: 1.13 W/kg
Head: 1.130 W/kg, Body: 0.685 W/kg

Rear Flash

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

Rear Video Recording

1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps

Rear Camera Features

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

Rear Camera Setup

Dual, 13MP + 2MP
Quad, 48MP + 8MP + 5MP + 5MP
Triple, 12MP + 2MP + 2MP

Rear Camera 1 Resolution

13 MP
48 MP
12 MP

Rear Camera 1 Type

f/2.2 Primary Camera
f/2.0 (upto 8x Digital Zoom) Primary Camera
f/1.8 (upto 4x Digital Zoom) Primary Camera

Rear Camera 1 Lens

3.1" sensor size, 1.12 micrometre pixel size
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
2.8" sensor size, 1.25 micrometre pixel size

Rear Camera 2 Resolution

2 MP
8 MP
2 MP

Rear Camera 2 Type

f/2.4, Depth Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.4, Depth Camera

Rear Camera 2 Lens

1.75 micrometre pixel size
-
5.0" sensor size, 1.75 micrometre pixel size

Rear Sensor

CMOS image sensor
-
CMOS image sensor

Rear Aperture

f/2.2
f/2.0
f/1.8

OIS

-
No
-

Rear Camera 3 Resolution

-
5 MP
2 MP

Rear Camera 3 Type

-
f/2.4, Macro Camera
f/2.4, Macro Camera

Rear Camera 4 Resolution

-
5 MP
-

Rear Camera 4 Type

-
f/2.4, Depth Camera
-

Fingerprint Scanner

No
Yes
Yes

Face Unlock

Yes
Yes
Yes

Fingerprint Scanner Position

-
On-Screen
Rear

Fingerprint Scanner Type

-
Optical
-

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