Xiaomi Redmi 8A Dual vs Xiaomi Redmi Note 9 Pro Max vs Redmi K20
- Updated: 28th Aug 2020, 08:10 IST
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)
Qualcomm Snapdragon 439, Adreno 505
Octa core (2.3 GHz, Dual core, Kryo 465 + 1.8 GHz, Hexa Core, Kryo 465)
Qualcomm Snapdragon 720G, Adreno 618
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
5020 mAh
Li-Polymer, Fast, 33W
4000 mAh
Li-Polymer, Quick, v3.0, 18W
6.22 inches
270 ppi
6.67 inches
395 ppi, FHD
6.39 inches
403 ppi, FHD
Dual, 13MP + 2MP
1920x1080 @ 30 fps, 1280x720 @ 30 fps
Quad, 64MP + 8MP + 5MP + 2MP
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 960 fps
Triple, 48MP + 13MP + 8MP
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps
4G
Dual SIM, GSM+GSM
4G
Dual SIM, GSM+GSM
4G
Dual SIM, GSM+GSM, Dual VoLTE
Detailed Specs
Screen Size
6.22 inches
6.67 inches
6.39 inches
Screen Type
IPS LCD
IPS LCD
AMOLED
Screen Resolution
720 x 1520 pixels
1080 x 2400 pixels
1080 x 2340 pixels
Pixel Density
270 ppi
395 ppi
403 ppi
Screen Protection
Gorilla Glass 5
Gorilla Glass 5
Gorilla Glass 5
Screen to Body Ratio
81.48%
84.73%
91.90%
Screen Design
Waterdrop notch
Punch hole
Bezel-less
Peak Brightness
400 nits
450 nits
-
Aspect Ratio
-
20:09
19.5:9
Screen Refresh Rate
-
60 Hz
-
Screen Quality
-
FHD
FHD
Phone Variants
3GB 64GB, 3GB 32GB, 2GB 32GB
6GB 64GB, 8GB 128GB, 6GB 128GB
6GB 128GB, 6GB 64GB
Expandable Storage
Yes
Yes
No
RAM Type
LPDDR3
LPDDR4X
LPDDR4X
Storage Type
eMMC 5.1
UFS 2.1
UFS 2.1
Expandable Storage Capacity
Yes, 512 GB
Yes, 512 GB
-
OTG Support
-
Yes
Yes
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Operating System
Android v9.0 (Pie)
Android v10 (Q)
Android v9.0 (Pie)
GPU
Adreno 505
Adreno 618
Adreno 618
Chipset
Qualcomm Snapdragon 439
Qualcomm Snapdragon 720G
Qualcomm Snapdragon 730
CPU
Octa core (1.95 GHz, Quad core, Cortex A53 + 1.45 GHz, Quad core, Cortex A53)
Octa core (2.3 GHz, Dual core, Kryo 465 + 1.8 GHz, Hexa Core, Kryo 465)
Octa core (2.2 GHz, Dual core, Kryo 470 + 1.8 GHz, Hexa Core, Kryo 470)
Custom User Interface
MIUI
MIUI
MIUI
Clock Speed
1.95 GHz
2.3 GHz
2.2 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
12 nm
8 nm
8 nm
Battery Capacity
5000 mAh
5020 mAh
4000 mAh
Battery Removable
No
No
No
Battery Type
Li-Polymer
Li-Polymer
Li-Polymer
Charger Type
Fast, 18W
Fast, 33W
Quick, v3.0, 18W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Charging Time
-
50 % in 30 minutes
-
Announced On
11-Feb-20
12-Mar-20
5-May-19
Market Status
Available
Available
Available
Brand
Xiaomi
Xiaomi
Xiaomi
Model Number
M1908C3KI
M2003J6B1I/MZB9589IN
MZB7756IN
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 6,999
Rs. 14,569
Rs. 19,450
Water Resistance
Yes, Splash proof
Yes, Splash proof
-
Weight
188 grams
209 grams
191 grams
Colors
Midnight Grey, Sea Blue, Sky White
Aurora Blue , Glacier White, Interstellar Black , Champagne Gold
Carbon Black, Flame Red, Glacier Blue, Pearl White
Build
Back: Plastic
Back: Gorilla Glass
Back: Gorilla Glass
Dimensions
156.4 x 75.4 x 9.4 mm
165.5 x 76.6 x 8.8 mm
156.7 x 74.3 x 8.8 mm
SAR Value
-
Head: 0.880 W/kg, Body: 0.475 W/kg
Head: 1.07 W/kg, Body: 0.723 W/kg
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
NFC
No
No
Yes
Network Support
4G
4G
4G
Bluetooth
Yes
Yes
Yes
FM Radio
Yes, Wireless FM
-
-
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, a/ac/b/g/n, MIMO
Yes, Wi-Fi 802.11, ac/b/g/n, MIMO
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
Wi-Fi Direct, 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 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 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...
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
Front Camera Features
HDR
HDR, panorama
HDR
Front Camera Setup
Single, 8MP
Single, 32MP
Single, 20MP
Front Camera 1 Resolution
8 MP
32 MP
20 MP
Front Camera 1 Type
f/2.0 Primary Camera
Primary Camera
f/2.2 Primary Camera
Front Camera 1 Lens
1.12 micrometre pixel size
1.6 micrometre pixel size
0.8 micrometre pixel size
Front Sensor
CMOS
-
-
Front Aperture
f/2.0
-
f/2.2
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, Dual LED Flash
Rear Video Recording
1920x1080 @ 30 fps, 1280x720 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 960 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps
Rear Camera Features
Digital Zoom, Auto Flash, Face detection, Touch to focus
10 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Dual, 13MP + 2MP
Quad, 64MP + 8MP + 5MP + 2MP
Triple, 48MP + 13MP + 8MP
Rear Camera 1 Resolution
13 MP
64 MP
48 MP
Rear Camera 1 Type
f/2.2 Primary Camera
f/1.89 (upto 10x Digital Zoom) Primary Camera
f/1.75 Primary Camera
Rear Camera 1 Lens
3.1" sensor size, 1.12 micrometre pixel size
1.7" sensor size, 1.6 micrometre pixel size
2" sensor size, 0.8 micrometre pixel size
Rear Camera 2 Resolution
2 MP
8 MP
13 MP
Rear Camera 2 Type
f/2.4, Depth Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.4, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 2 Lens
1.75 micrometre pixel size
1.12 micrometre pixel size
3" sensor size, 1.12 micrometre pixel size
Rear Sensor
CMOS image sensor
CMOS image sensor, ISOCELL Plus
Exmor-RS CMOS Sensor
Rear Aperture
f/2.2
f/1.89
f/1.75
Rear Camera 3 Resolution
-
5 MP
8 MP
Rear Camera 3 Type
-
Macro Camera
f/2.4 Telephoto (upto 10x Digital Zoom, upto 2x Optical Zoom) Camera
Rear Camera 3 Lens
-
1.12 micrometre pixel size
4.0" sensor size, 1.12 micrometre pixel size
Rear Camera 4 Resolution
-
2 MP
-
Rear Camera 4 Type
-
Depth Camera
-
Rear Camera 4 Lens
-
1.75 micrometre pixel size
-
Fingerprint Scanner
No
Yes
Yes
Face Unlock
Yes
Yes
Yes
Fingerprint Scanner Position
-
Side
On-Screen
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