Xiaomi Redmi 8A Dual vs Samsung Galaxy M30S vs Xiaomi Mi A2
- Updated: 6th Sep 2020, 04:25 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, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Samsung Exynos 9 Octa 9611, Mali-G72 MP3
Octa core (2.2 GHz, Quad core, Kryo 260 + 1.84 GHz, Quad core, Kryo 260)
Qualcomm Snapdragon 660, Adreno 512
5000 mAh
Li-Polymer, Fast, 18W
6000 mAh
Li-ion, Fast, 15W
3010 mAh
Li-Polymer, Quick, v4.0
6.22 inches
270 ppi
6.4 inches
403 ppi, FHD
5.99 inches
403 ppi, FHD
Dual, 13MP + 2MP
1920x1080 @ 30 fps, 1280x720 @ 30 fps
Triple, 48MP + 8MP + 5MP
3840x2160 @ 30 fps
Dual, 12MP + 20MP
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 120 fps, 720x480 @ 30 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
6.4 inches
5.99 inches
Screen Type
IPS LCD
Super AMOLED
IPS LCD
Screen Resolution
720 x 1520 pixels
1080 x 2340 pixels
1080 x 2160 pixels
Pixel Density
270 ppi
403 ppi
403 ppi
Screen Protection
Gorilla Glass 5
No
Gorilla Glass 5
Screen to Body Ratio
81.48%
91%
77.38%
Screen Design
Waterdrop notch
Regular notch
Bezel-less
Peak Brightness
400 nits
420 nits
-
Aspect Ratio
-
19.5:9
18:09
Screen Quality
-
FHD
FHD
Phone Variants
3GB 64GB, 3GB 32GB, 2GB 32GB
4GB 64GB, 6GB 128GB, 4GB 128GB
4GB 64GB, 6GB 128GB
Expandable Storage
Yes
Yes
No
RAM Type
LPDDR3
LPDDR4X
LPDDR4X
Storage Type
eMMC 5.1
UFS 2.1
eMMC 5.1
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, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Operating System
Android v9.0 (Pie)
Android v9.0 (Pie)
Android v8.1 (Oreo)
GPU
Adreno 505
Mali-G72 MP3
Adreno 512
Chipset
Qualcomm Snapdragon 439
Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 660
CPU
Octa core (1.95 GHz, Quad core, Cortex A53 + 1.45 GHz, Quad core, Cortex A53)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core (2.2 GHz, Quad core, Kryo 260 + 1.84 GHz, Quad core, Kryo 260)
Custom User Interface
MIUI
Samsung One UI
Android One
Clock Speed
1.95 GHz
2.3 GHz
2.2 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
12 nm
10 nm
14 nm
Battery Capacity
5000 mAh
6000 mAh
3010 mAh
Battery Removable
No
No
No
Battery Type
Li-Polymer
Li-ion
Li-Polymer
Charger Type
Fast, 18W
Fast, 15W
Quick, v4.0
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Announced On
11-Feb-20
5-Sep-19
5-Jul-18
Market Status
Available
Out of Stock
Available
Brand
Xiaomi
Samsung
Xiaomi
Model Number
M1908C3KI
SM-M307FZWDINS
-
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 6,999
Rs. 15,900
Rs. 10,449
Water Resistance
Yes, Splash proof
-
-
Weight
188 grams
188 grams
168 grams
Colors
Midnight Grey, Sea Blue, Sky White
Opal Black, Sapphire Blue, Pearl White
Black, Gold, Red, Lake Blue, Rose Gold
Build
Back: Plastic
Back: Plastic
Back: Aluminium
Dimensions
156.4 x 75.4 x 9.4 mm
159 x 75.1 x 8.9 mm
158.7 x 75.4 x 7.3 mm
SAR Value
-
Head: 0.486 W/kg
Head: 1.092 W/kg, Body: 0.259 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
Yes
3.5mm Audio Jack
Yes
Yes
No
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/n 5GHz
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Bluetooth Type
v4.2
v5.0
v5.0
Audio Jack
3.5 mm
3.5 mm
USB Type-C
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 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) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 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
Active noise cancellation with dedicated mic
Front Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps
Front Camera Features
HDR
HDR
LED flash, Auto-HDR
Front Camera Setup
Single, 8MP
Single, 16MP
Single, 20MP
Front Camera 1 Resolution
8 MP
16 MP
20 MP
Front Camera 1 Type
f/2.0 Primary Camera
f/2.0 Primary Camera
f/2.2 Primary Camera
Front Camera 1 Lens
1.12 micrometre pixel size
-
2.8" sensor size, 1 micrometre pixel size
Front Sensor
CMOS
-
Exmor RS
Front Aperture
f/2.0
f/2.0
f/2.2
Front Flash
-
No
Yes, Soft light flash
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
1920x1080 @ 30 fps, 1280x720 @ 30 fps
3840x2160 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 120 fps, 720x480 @ 30 fps
Rear Camera Features
Digital Zoom, Auto Flash, Face detection, Touch to focus
4 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Dual, 13MP + 2MP
Triple, 48MP + 8MP + 5MP
Dual, 12MP + 20MP
Rear Camera 1 Resolution
13 MP
48 MP
12 MP
Rear Camera 1 Type
f/2.2 Primary Camera
f/2.0 (upto 4x Digital Zoom), Wide Angle (80 degree field-of-view) 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
2.9" sensor size, 1.25 micrometre pixel size
Rear Camera 2 Resolution
2 MP
8 MP
20 MP
Rear Camera 2 Type
f/2.4, Depth Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/1.7 Camera
Rear Camera 2 Lens
1.75 micrometre pixel size
-
2.8" sensor size, 1 micrometre pixel size
Rear Sensor
CMOS image sensor
ISOCELL Plus
Exmor-RS CMOS Sensor
Rear Aperture
f/2.2
f/2.0
f/1.75
OIS
-
No
No
Rear Camera 3 Resolution
-
5 MP
-
Rear Camera 3 Type
-
f/2.2, Depth Camera
-
Fingerprint Scanner
No
Yes
Yes
Face Unlock
Yes
Yes
Yes
Fingerprint Scanner Position
-
Rear
Rear
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