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Xiaomi Redmi 8A Dual vs Redmi K20

Key Feature Comparison

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Xiaomi Redmi 8A Dual

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Redmi K20

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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 (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)

Qualcomm Snapdragon 730, Adreno 618

5000 mAh

Li-Polymer, Fast, 18W

4000 mAh

Li-Polymer, Quick, v3.0, 18W

15.80 cm (6.2 inch)

270 ppi

16.23 cm (6.4 inch)

403 ppi, FHD

Dual, 13MP + 2MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Triple, 48MP + 13MP + 8MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

15.80 cm (6.2 inch)
16.23 cm (6.4 inch)

Screen Type

IPS LCD
AMOLED

Screen Resolution

720 x 1520 pixels
1080 x 2340 pixels

Pixel Density

270 ppi
403 ppi

Screen Protection

Gorilla Glass 5
Gorilla Glass 5

Screen to Body Ratio

81.48%
91.90%

Screen Design

Waterdrop notch
Bezel-less

Peak Brightness

400 nits
-

Aspect Ratio

-
19.5:9

Screen Quality

-
FHD

Phone Variants

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

Expandable Storage

Yes
No

RAM Type

LPDDR3
LPDDR4X

Storage Type

eMMC 5.1
UFS 2.1

Expandable Storage Capacity

Yes, 512 GB
-

OTG Support

-
Yes

Sensors

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

Operating System

Android v9.0 (Pie)
Android v9.0 (Pie)

GPU

Adreno 505
Adreno 618

Chipset

Qualcomm Snapdragon 439
Qualcomm Snapdragon 730

CPU

Octa core (1.95 GHz, Quad core, Cortex A53 + 1.45 GHz, Quad core, Cortex A53)
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)

Custom User Interface

MIUI
MIUI

Clock Speed

1.95 GHz
2.2 GHz

Architecture

64 bit
64 bit

Process Technology

12 nm
8 nm

Battery Capacity

5000 mAh
4000 mAh

Battery Removable

No
No

Battery Type

Li-Polymer
Li-Polymer

Charger Type

Fast, 18W
Quick, v3.0, 18W

USB Type-C

Yes
Yes

Fast Charging

Yes
Yes

Announced On

11-Feb-20
5-May-19

Market Status

Available
Available

Brand

Xiaomi
Xiaomi

Model Number

M1908C3KI
MZB7756IN

Price Status

Confirmed
Confirmed

Price

Rs. 6,999
Rs. 19,450

GPS

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

NFC

No
Yes

Network Support

4G
4G

Bluetooth

Yes
Yes

FM Radio

Yes, Wireless FM
-

3.5mm Audio Jack

Yes
Yes

SIM Size

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, MIMO

Bluetooth Type

v4.2
v5.0

Audio Jack

3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE

eSIM

No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot

VoLTE

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) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDG...

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) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDG...

Audio Features

-
24-bit/192kHz audioActive noise cancellation with dedicated mic

Front Video Recording

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

Front Camera Features

HDR
HDR

Front Camera Setup

Single, 8MP
Single, 20MP

Front Camera 1 Resolution

8 MP
20 MP

Front Camera 1 Type

f/2.0 Primary Camera
f/2.2 Primary Camera

Front Camera 1 Lens

1.12 micrometre pixel size
0.8 micrometre pixel size

Front Sensor

CMOS
-

Front Aperture

f/2.0
f/2.2

Weight

188 grams
191 grams

Colors

Midnight Grey, Sea Blue, Sky White
Carbon Black, Flame Red, Glacier Blue, Pearl White

Build

Back: Plastic
Back: Gorilla Glass

Dimensions

156.4 x 75.4 x 9.4 mm
156.7 x 74.3 x 8.8 mm

SAR Value

-
Head: 1.07 W/kg, Body: 0.723 W/kg

Rear Flash

Yes, LED Flash
Yes, Dual LED Flash

Rear Video Recording

1920x1080 @ 30 fps, 1280x720 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps

Rear Camera Features

Digital Zoom, Auto Flash, Face detection, Touch to focus
Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Dual, 13MP + 2MP
Triple, 48MP + 13MP + 8MP

Rear Camera 1 Resolution

13 MP
48 MP

Rear Camera 1 Type

f/2.2 Primary Camera
f/1.75 Primary Camera

Rear Camera 1 Lens

3.1" sensor size, 1.12 micrometre pixel size
2" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Resolution

2 MP
13 MP

Rear Camera 2 Type

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

Rear Camera 2 Lens

1.75 micrometre pixel size
3" sensor size, 1.12 micrometre pixel size

Rear Sensor

CMOS image sensor
Exmor-RS CMOS Sensor

Rear Aperture

f/2.2
f/1.75

Rear Camera 3 Resolution

-
8 MP

Rear Camera 3 Type

-
f/2.4 Telephoto (upto 10x Digital Zoom, upto 2x Optical Zoom) Camera

Rear Camera 3 Lens

-
4.0" sensor size, 1.12 micrometre pixel size

Fingerprint Scanner

No
Yes

Face Unlock

Yes
Yes

Fingerprint Scanner Position

-
On-Screen

Fingerprint Scanner Type

-
Optical
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