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Mi A3 vs Xiaomi Redmi Note 7S vs Samsung Galaxy A30

Key Feature Comparison

7

Xiaomi Redmi Note 7S

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6.7

Samsung Galaxy A30

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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)

Qualcomm Snapdragon 665, Adreno 610

Octa core (2.2 GHz, Quad core, Kryo 260 + 1.84 GHz, Quad core, Kryo 260)

Qualcomm Snapdragon 660 MSM8956, Adreno 512

Octa core (1.8 GHz, Dual core, Cortex A73 + 1.6 GHz, Hexa Core, Cortex A53)

Samsung Exynos 7 Octa 7904, Mali-G71 MP2

4030 mAh

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

4000 mAh

Li-Polymer, Quick, v4.0

4000 mAh

Li-ion, Fast

6.08 inches

283 ppi

6.3 inches

409 ppi, FHD

6.4 inches

403 ppi, FHD

Triple, 48MP + 8MP + 2MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps

Dual, 48MP + 5MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Dual, 16MP + 5MP

1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM, Dual VoLTE

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

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

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

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

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