Mi A3 vs Xiaomi Redmi Note 7S vs Samsung Galaxy A30
Key Feature Comparison
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At a Glance
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Octa core (2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)
Octa core (2.2 GHz, Quad core, Kryo 260 + 1.84 GHz, Quad core, Kryo 260)
Octa core (1.8 GHz, Dual core, Cortex A73 + 1.6 GHz, Hexa Core, Cortex A53)
4030 mAh
4000 mAh
4000 mAh
6.08 inches
6.3 inches
6.4 inches
Triple, 48MP + 8MP + 2MP
Dual, 48MP + 5MP
Dual, 16MP + 5MP
4G
4G
4G
Detailed Specs
Screen Size
6.08 inches
6.3 inches
6.4 inches
Screen Type
Super AMOLED
IPS LCD
Super AMOLED
Screen Resolution
720 x 1560 pixels
1080 x 2340 pixels
1080 x 2340 pixels
Pixel Density
283 ppi
409 ppi
403 ppi
Aspect Ratio
19.5:9
19.5:9
19.5:9
Screen Protection
Gorilla Glass 5
Gorilla Glass 5
Gorilla Glass 3
Screen to Body Ratio
82.15%
81.21%
84.74%
Screen Design
Waterdrop notch
Waterdrop notch
Waterdrop notch
Screen Quality
-
FHD
FHD
Phone Variants
4GB 64GB, 6GB 128GB
4GB 64GB, 3GB 32GB
4GB 64GB
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
LPDDR4X
LPDDR4X
Storage Type
UFS 2.1
eMMC 5.1
eMMC 5.1
Expandable Storage Capacity
Yes, 256 GB
Yes, 256 GB
Yes, 512 GB
OTG Support
Yes
Yes
Yes
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Operating System
Android v9.0 (Pie)
Android v9.0 (Pie)
Android v9.0 (Pie)
GPU
Adreno 610
Adreno 512
Mali-G71 MP2
Chipset
Qualcomm Snapdragon 665
Qualcomm Snapdragon 660 MSM8956
Samsung Exynos 7 Octa 7904
CPU
Octa core (2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)
Octa core (2.2 GHz, Quad core, Kryo 260 + 1.84 GHz, Quad core, Kryo 260)
Octa core (1.8 GHz, Dual core, Cortex A73 + 1.6 GHz, Hexa Core, Cortex A53)
Custom User Interface
Android One
MIUI
Samsung One UI
Clock Speed
2 GHz
2.2 GHz
1.8 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
11 nm
14 nm
14 nm
Battery Capacity
4030 mAh
4000 mAh
4000 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-Polymer
Li-ion
Charger Type
Quick, v3.0, 18W
Quick, v4.0
Fast
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Announced On
5-Jul-19
5-May-19
5-Feb-19
Market Status
Available
Available
Available
Brand
Xiaomi
Xiaomi
Samsung
Model Number
MZB7975IN
MZB7744IN
-
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 13,499
Rs. 10,990
Rs. 13,868
Water Resistance
Yes, Splash proof
Yes, Splash proof
-
Weight
173.8 grams
186 grams
165 grams
Colors
More than White, Not just Blue, Kind of Grey
Onyx Black, Sapphire Blue, Ruby Red, Astro White
Black, Blue, Red, White
Build
Back: Mineral Glass
Back: Gorilla Glass
Back: Plastic
Dimensions
153.4 x 71.85 x 8.4 mm
159.2 x 75.2 x 8.1 mm
158.5 x 74.7 x 7.7 mm
SAR Value
Head: 0.527 W/kg, Body: 0.722 W/kg
-
Head: 0.413 W/kg
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Active noise cancellation with dedicated mic
Active noise cancellation with dedicated mic
Dolby Atmos
NFC
No
-
No
Network Support
4G
4G
4G
Bluetooth
Yes
Yes
Yes
FM Radio
Yes
-
Yes
3.5mm Audio Jack
Yes
Yes
Yes
SIM Size
SIM1: Nano, SIM2: Nano (Hybrid)
SIM1: Nano, SIM2: Nano (Hybrid)
SIM1: Nano, SIM2: Nano
Wi-Fi
Yes, Wi-Fi 802.11, a/ac/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
Bluetooth Type
v5.0
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 VoLTE
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 2600(band 38) / 2300(band 40), 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) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 ...
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:...
SIM 2 Bands
4G Bands: TD-LTE 2600(band 38) / 2300(band 40), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 /...
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:...
Front Video Recording
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps
Front Camera Features
Fixed Focus
HDR
Fixed Focus
Front Camera Setup
Single, 32MP
Single, 13MP
Single, 16MP
Front Camera 1 Resolution
32 MP
13 MP
16 MP
Front Camera 1 Type
f/2.0 Primary Camera
f/2.0 Primary Camera
f/2.0 Primary Camera
Front Camera 1 Lens
26 mm focal length, 2.8" sensor size, 1.6 micrometre pixel size
3.1" sensor size, 1.12 micrometre pixel size
-
Front Aperture
f/2.0
f/2.0
f/2.0
OIS
No
-
No
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 60 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps
Rear Camera Features
2 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Triple, 48MP + 8MP + 2MP
Dual, 48MP + 5MP
Dual, 16MP + 5MP
Rear Camera 1 Resolution
48 MP
48 MP
16 MP
Rear Camera 1 Type
f/1.79 (upto 2x Digital Zoom) Primary Camera
f/1.8 Primary Camera
f/1.7 Primary Camera
Rear Camera 1 Lens
2" sensor size, 0.8 micrometre pixel size
2" sensor size, 0.8 micrometre pixel size
27 mm focal length
Rear Camera 2 Resolution
8 MP
5 MP
5 MP
Rear Camera 2 Type
f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Depth Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 2 Lens
13 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
1.12 micrometre pixel size
12 mm focal length
Rear Camera 3 Resolution
2 MP
-
-
Rear Camera 3 Type
f/2.4, Depth Camera
-
-
Rear Sensor
Exmor-RS CMOS Sensor
ISOCELL Plus
CMOS image sensor
Rear Aperture
f/1.79
f/1.8
f/1.7
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
On-Screen
Rear
Rear
Fingerprint Scanner Type
Optical
-
-
Face Unlock
Yes
Yes
Yes