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Xiaomi Redmi 8A Dual vs Oppo K1 vs Xiaomi Redmi Note 7

Key Feature Comparison

6.6

Xiaomi Redmi 8A Dual

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7

Xiaomi Redmi Note 7

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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 (1.95 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)

Qualcomm Snapdragon 660 MSM8956, Adreno 512

Octa core (2.2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)

Qualcomm Snapdragon 660 MSM8956, Adreno 512

5000 mAh

Li-Polymer, Fast, 18W

3600 mAh

Li-ion

4000 mAh

Li-Polymer, Quick, v4.0

15.80 cm (6.2 inch)

270 ppi

16.26 cm (6.4 inch)

403 ppi, FHD

16.00 cm (6.3 inch)

409 ppi, FHD

Dual, 13MP + 2MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Dual, 16MP + 2MP

3840x2160 @ 30 fps

Dual, 12MP + 2MP

1920x1080 @ 30 fps, 1280x720 @ 120 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

15.80 cm (6.2 inch)
16.26 cm (6.4 inch)
16.00 cm (6.3 inch)

Screen Type

IPS LCD
AMOLED
IPS LCD

Screen Resolution

720 x 1520 pixels
1080 x 2340 pixels
1080 x 2340 pixels

Pixel Density

270 ppi
403 ppi
409 ppi

Screen Protection

Gorilla Glass 5
Gorilla Glass 5
Gorilla Glass 5

Screen to Body Ratio

81.48%
91%
81.21%

Screen Design

Waterdrop notch
Waterdrop notch
Waterdrop notch

Peak Brightness

400 nits
-
-

Aspect Ratio

-
19.5:9
19.5:9

Screen Quality

-
FHD
FHD

Phone Variants

3GB 64GB, 3GB 32GB, 2GB 32GB
6GB 64GB, 4GB 64GB
4GB 64GB, 3GB 32GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR3
LPDDR4X
LPDDR4X

Storage Type

eMMC 5.1
eMMC 5.1
eMMC 5.1

Expandable Storage Capacity

Yes, 512 GB
Yes, 256 GB
Yes, 256 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 v9.0 (Pie)

GPU

Adreno 505
Adreno 512
Adreno 512

Chipset

Qualcomm Snapdragon 439
Qualcomm Snapdragon 660 MSM8956
Qualcomm Snapdragon 660 MSM8956

CPU

Octa core (1.95 GHz, Quad core, Cortex A53 + 1.45 GHz, Quad core, Cortex A53)
Octa core (1.95 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)
Octa core (2.2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)

Custom User Interface

MIUI
ColorOS
MIUI

Clock Speed

1.95 GHz
1.95 GHz
2.2 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

12 nm
14 nm
14 nm

Battery Capacity

5000 mAh
3600 mAh
4000 mAh

Battery Removable

No
No
No

Battery Type

Li-Polymer
Li-ion
Li-Polymer

Charger Type

Fast, 18W
-
Quick, v4.0

USB Type-C

Yes
No
Yes

Fast Charging

Yes
-
Yes

Announced On

11-Feb-20
5-Oct-18
5-Jan-19

Market Status

Available
Available
Available

Brand

Xiaomi
OPPO
Xiaomi

Model Number

M1908C3KI
CPH1893
M1901F7I

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 6,999
Rs. 14,990
Rs. 9,999

GPS

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

NFC

No
-
-

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 (Hybrid)

Wi-Fi

Yes, Wi-Fi 802.11, b/g/n
Yes, Wi-Fi 802.11, b/g/n
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
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
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) / 1900(band 39), 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) / 850(band 18) / 850(band 19) / 800(band 20) / ...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 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: 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) / 1900(band 39), 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) / 850(band 19) / 800(band 20) / 850(band 26), 3...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 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: Available, EDGE: Available...

Audio Features

-
Active noise cancellation with dedicated mic
Active noise cancellation with dedicated mic

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Features

HDR
HDR
HDR

Front Camera Setup

Single, 8MP
Single, 25MP
Single, 13MP

Front Camera 1 Resolution

8 MP
25 MP
13 MP

Front Camera 1 Type

f/2.0 Primary Camera
f/2.0 Primary Camera
f/2.0 Primary Camera

Front Camera 1 Lens

1.12 micrometre pixel size
0.9 micrometre pixel size
1.12 micrometre pixel size

Front Sensor

CMOS
CMOS
-

Front Aperture

f/2.0
f/2.0
f/2.0

Front Flash

-
Yes, Screen flash
-

Weight

188 grams
156 grams
185 grams

Colors

Midnight Grey, Sea Blue, Sky White
Astral Blue, Piano Black
Onyx Black, Ruby Red, Sapphire Blue

Build

Back: Plastic
Back: Plastic
Back: Gorilla Glass

Dimensions

156.4 x 75.4 x 9.4 mm
158.3 x 75.5 x 7.4 mm
159.2 x 75.2 x 8.1 mm

SAR Value

-
Head: 0.278 W/kg, Body: 0.861 W/kg
Head: 0.962 W/kg, Body: 0.838 W/kg

Rear Flash

Yes, LED Flash
Yes, LED Flash
Yes, LED Flash

Rear Video Recording

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

Rear Camera Features

Digital Zoom, Auto Flash, Face detection, Touch to focus
2 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
Dual, 16MP + 2MP
Dual, 12MP + 2MP

Rear Camera 1 Resolution

13 MP
16 MP
12 MP

Rear Camera 1 Type

f/2.2 Primary Camera
f/1.75 (upto 2x Digital Zoom) Primary Camera
f/2.2 Primary Camera

Rear Camera 1 Lens

3.1" sensor size, 1.12 micrometre pixel size
2.8" sensor size, 1.12 micrometre pixel size
2.9" sensor size, 1.25 micrometre pixel size

Rear Camera 2 Resolution

2 MP
2 MP
2 MP

Rear Camera 2 Type

f/2.4, Depth Camera
f/2.4, Depth Camera
f/2.4, Depth Camera

Rear Camera 2 Lens

1.75 micrometre pixel size
-
-

Rear Sensor

CMOS image sensor
CMOS image sensor
Exmor-RS CMOS Sensor

Rear Aperture

f/2.2
f/1.75
f/2.2

Fingerprint Scanner

No
Yes
Yes

Face Unlock

Yes
Yes
Yes

Fingerprint Scanner Position

-
On-Screen
Rear

Fingerprint Scanner Type

-
Optical
-
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