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Xiaomi Redmi 9i vs Xiaomi Redmi 9 vs Xiaomi Redmi 4

Key Feature Comparison

5.9

Xiaomi Redmi 9i

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6.5

Xiaomi Redmi 9

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At a Glance

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Octa core, 2 GHz, Cortex A53

MediaTek Helio G25, PowerVR GE8320

Octa core, 2.3 GHz, Cortex A53

MediaTek Helio G35, PowerVR GE8320

Octa core, 1.4 GHz, Cortex A53

Qualcomm Snapdragon 435 MSM8940, Adreno 505

5000 mAh

Li-Polymer

5000 mAh

Li-Polymer

4100 mAh

Li-ion

6.53 inches

269 ppi

6.53 inches

269 ppi

5.0 inches

294 ppi

Single, 13MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Dual, 13MP + 2MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

Single, 13MP

1920x1080 @ 30 fps, 1280x720 @ 120 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.53 inches
6.53 inches
5.0 inches

Screen Type

IPS LCD
IPS LCD
IPS LCD

Screen Resolution

720 x 1600 pixels
720 x 1600 pixels
720 x 1280 pixels

Pixel Density

269 ppi
269 ppi
294 ppi

Aspect Ratio

20:09
20:09
-

Screen to Body Ratio

81.01%
81.08%
70.67%

Screen Design

Waterdrop notch
Waterdrop notch
-

Peak Brightness

270 nits
400 nits
-

Screen Protection

-
Gorilla Glass 3
Corning Gorilla Glass

Phone Variants

4GB 128GB, 4GB 64GB
4GB 128GB, 4GB 64GB
4GB 64GB, 3GB 32GB, 2GB 16GB

Expandable Storage

Yes
Yes
Yes

Expandable Storage Capacity

Yes, 512 GB
Yes, 512 GB
Yes, 128 GB

OTG Support

Yes
Yes
Yes

RAM Type

-
LPDDR4X
-

Storage Type

-
eMMC 5.1
-

Sensors

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

Operating System

Android v10 (Q)
Android v10 (Q)
Android v6.0.1 (Marshmallow)

GPU

PowerVR GE8320
PowerVR GE8320
Adreno 505

Chipset

MediaTek Helio G25
MediaTek Helio G35
Qualcomm Snapdragon 435 MSM8940

CPU

Octa core, 2 GHz, Cortex A53
Octa core, 2.3 GHz, Cortex A53
Octa core, 1.4 GHz, Cortex A53

Custom User Interface

MIUI
MIUI
MIUI

Clock Speed

2 GHz
2.3 GHz
1.4 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

12 nm
12 nm
-

Battery Capacity

5000 mAh
5000 mAh
4100 mAh

Battery Removable

No
No
No

Battery Type

Li-Polymer
Li-Polymer
Li-ion

USB Type-C

No
No
No

Announced On

9-Sep-20
27-Aug-20
5-May-17

Market Status

Available
Available
Out of Stock

Brand

Xiaomi
Xiaomi
Xiaomi

Model Number

MZB0813INMZB080SINMZB0817INMZB080UINMZB0BQIIN
M2006C3MII
MAI132

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 7,469
Rs. 8,319
Rs. 11,999

GPS

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

NFC

No
Yes
No

Network Support

4G
4G
4G

Bluetooth

Yes
Yes
Yes

3.5mm Audio Jack

Yes
Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
SIM1: Micro, SIM2: Nano (Hybrid)

Wi-Fi

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

Bluetooth Type

v5.0
v5.0
v4.2

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

eSIM

No
No
No

Wi-Fi Features

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 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 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5), 3G Bands: UMTS 2100 / 900 MHz, 2G Bands: GSM 1800 / 900 MHz, 4G Speed: 100 Mbit/s 300 Mbit/s (LTE category 6), 3G Speed: HSDPA 42.2 Mbit/s , HSUPA 5.7...

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 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 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5), 3G Bands: UMTS 2100 / 900 MHz, 2G Bands: GSM 1800 / 900 MHz, 4G Speed: 100 Mbit/s 300 Mbit/s (LTE category 6), 3G Speed: HSDPA 42.2 Mbit/s , GPRS: Ava...

Audio Features

-
Noise cancelling microphonesHigh audio output amplified by large 0.7CC speaker box
Active noise cancellation with dedicated mic

FM Radio

-
Yes
-

Front Video Recording

1080p30fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1080p30fps

Front Camera Features

HDR
HDR
-

Front Camera Setup

Single, 5MP
Single, 5MP
Single, 5MP

Front Camera 1 Resolution

5 MP
5 MP
5 MP

Front Camera 1 Type

f/2.2 Primary Camera
f/2.2 Primary Camera
f/2.2 Primary Camera

Front Camera 1 Lens

1.12 micrometre pixel size
1.12 micrometre pixel size
-

Front Aperture

f/2.2
f/2.2
f/2.2

Front Flash

Yes, Screen flash
Yes, Screen flash
No

Weight

194 grams
194 grams
150 grams

Colors

Midnight Black, Sea Blue,Nature Green
Sporty Orange, Sky Blue, Carbon Black
Gorgeous Black, Elegant Gold

Build

Back Panel: Plastic
Back: Plastic
Case: Metal, Back: Metal

Dimensions

164.9 x 77.07 x 9 mm
164.9 x 77 x 9 mm
139.2 x 69.9 x 8.6 mm

SAR Value

Head: 0.528 W/kg, Body: 0.791 W/kg
-
Head: 0.75 W/kg

Rear Flash

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

Rear Video Recording

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

Rear Camera Features

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

Single, 13MP
Dual, 13MP + 2MP
Single, 13MP

Rear Camera 1 Resolution

13 MP
13 MP
13 MP

Rear Camera 1 Type

f/2.2 Primary Camera
f/2.2 Primary Camera
f/2.0 Primary Camera

Rear Camera 1 Lens

1 micrometre pixel size
-
1.12 micrometre pixel size

Rear Aperture

f/2.2
f/2.2
f/2.0

Rear Camera 2 Resolution

-
2 MP
-

Rear Camera 2 Type

-
f/2.4, Depth Camera
-

Fingerprint Scanner

No
Yes
Yes

Face Unlock

Yes
Yes
-

Fingerprint Scanner Position

-
Rear
Rear

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