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Xiaomi Mi4 vs Xiaomi Redmi 8A Dual

Key Feature Comparison

5.7

Xiaomi Mi4

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6.6

Xiaomi Redmi 8A Dual

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At a Glance

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Quad core, 2.5 GHz, Krait 400

Qualcomm Snapdragon 801 MSM8974AC, Adreno 330

Octa core (1.95 GHz, Quad core, Cortex A53 + 1.45 GHz, Quad core, Cortex A53)

Qualcomm Snapdragon 439, Adreno 505

3080 mAh

Li-Polymer, Quick, v2.0

5000 mAh

Li-Polymer, Fast, 18W

5 inches

441 ppi, FHD

6.22 inches

270 ppi

Single, 13MP

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

Dual, 13MP + 2MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

3G

Single SIM, GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

5 inches
6.22 inches

Screen Type

IPS LCD
IPS LCD

Screen Resolution

1080 x 1920 pixels
720 x 1520 pixels

Pixel Density

441 ppi
270 ppi

Screen Protection

No
Gorilla Glass 5

Screen to Body Ratio

72.11%
81.48%

Screen Quality

FHD
-

Screen Design

-
Waterdrop notch

Peak Brightness

-
400 nits

Phone Variants

3GB 64GB, 3GB 16GB
3GB 64GB, 3GB 32GB, 2GB 32GB

Expandable Storage

No
Yes

OTG Support

Yes
-

RAM Type

-
LPDDR3

Storage Type

-
eMMC 5.1

Expandable Storage Capacity

-
Yes, 512 GB

Sensors

Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass

Operating System

Android v4.4.3 (Kitkat)
Android v9.0 (Pie)

GPU

Adreno 330
Adreno 505

Chipset

Qualcomm Snapdragon 801 MSM8974AC
Qualcomm Snapdragon 439

CPU

Quad core, 2.5 GHz, Krait 400
Octa core (1.95 GHz, Quad core, Cortex A53 + 1.45 GHz, Quad core, Cortex A53)

Clock Speed

2.5 GHz
1.95 GHz

Custom User Interface

-
MIUI

Architecture

-
64 bit

Process Technology

-
12 nm

Battery Capacity

3080 mAh
5000 mAh

Battery Removable

No
No

Battery Type

Li-Polymer
Li-Polymer

Charger Type

Quick, v2.0
Fast, 18W

USB Type-C

No
Yes

Fast Charging

Yes
Yes

Announced On

10-Feb-15
11-Feb-20

Market Status

Out of Stock
Available

Brand

Xiaomi
Xiaomi

Price Status

Confirmed
Confirmed

Price

Rs. 14,999
Rs. 6,999

Model Number

-
M1908C3KI

GPS

A-GPS, Glonass
Yes A-GPS, Glonass

NFC

No
No

Network Support

3G
4G

Bluetooth

Yes
Yes

FM Radio

Yes
Yes, Wireless FM

3.5mm Audio Jack

Yes
Yes

SIM Size

SIM1: Micro
SIM1: Nano, SIM2: Nano

Wi-Fi

Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, b/g/n

Bluetooth Type

v4.0
v4.2

Audio Jack

3.5 mm
3.5 mm

SIM Slot(s)

Single SIM, GSM
Dual SIM, GSM+GSM

eSIM

No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot

SIM 1 Bands

3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, 3G Speed: HSDPA 42.2 Mbit/s , HSPA 5.76 Mbit/s , 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...

VoLTE

-
Yes

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...

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Setup

Single, 8MP
Single, 8MP

Front Camera 1 Resolution

8 MP
8 MP

Front Camera 1 Type

f/1.8 Primary Camera
f/2.0 Primary Camera

Front Sensor

Exmor RS
CMOS

Front Aperture

f/1.8
f/2.0

Front Flash

No
-

Front Camera Features

-
HDR

Front Camera 1 Lens

-
1.12 micrometre pixel size

Weight

149 grams
188 grams

Colors

Black, White
Midnight Grey, Sea Blue, Sky White

Build

Case: Stainless steel, Back: Stainless steel
Back: Plastic

Dimensions

139.2 x 68.5 x 8.9 mm
156.4 x 75.4 x 9.4 mm

SAR Value

Head: 1.360 W/kg
-

OIS

No
-

Rear Flash

LED Flash
Yes, LED Flash

Rear Video Recording

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

Rear Camera Features

Digital Zoom, Auto Flash, Digital image stabilization, Face detection, Simultaneous HD video and image recording, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Single, 13MP
Dual, 13MP + 2MP

Rear Camera 1 Resolution

13 MP
13 MP

Rear Camera 1 Type

f/1.8 Primary Camera
f/2.2 Primary Camera

Rear Sensor

Exmor-RS CMOS Sensor
CMOS image sensor

Rear Aperture

f/1.8
f/2.2

Rear Camera 1 Lens

-
3.1" sensor size, 1.12 micrometre pixel size

Rear Camera 2 Resolution

-
2 MP

Rear Camera 2 Type

-
f/2.4, Depth Camera

Rear Camera 2 Lens

-
1.75 micrometre pixel size

Fingerprint Scanner

No
No

Face Unlock

-
Yes
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