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Realme C21 vs POCO C3 vs Xiaomi Redmi 9i

Key Feature Comparison

6.2

Realme C21

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5.9

Xiaomi Redmi 9i

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At a Glance

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Octa core, 2.3 GHz, Cortex A53

MediaTek Helio G35, PowerVR GE8320

Octa core, 2.3 GHz, Cortex A53

MediaTek Helio G35, PowerVR GE8320

Octa core, 2 GHz, Cortex A53

MediaTek Helio G25, PowerVR GE8320

5000 mAh

Li-ion

5000 mAh

Li-Polymer

5000 mAh

Li-Polymer

6.5 inches

270 ppi, HD

6.53 inches

269 ppi

6.53 inches

269 ppi

Triple, 13MP + 2MP + 2MP

1920x1080 @ 30 fps

Triple, 13MP + 2MP + 2MP

1920x1080 @ 30 fps

Single, 13MP

1920x1080 @ 30 fps, 1280x720 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.5 inches
6.53 inches
6.53 inches

Screen Type

IPS LCD
IPS LCD
IPS LCD

Screen Resolution

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

Pixel Density

270 ppi
269 ppi
269 ppi

Aspect Ratio

20:09
20:09
20:09

Screen Protection

Gorilla Glass 3
-
-

Screen to Body Ratio

89.50%
81.08%
81.01%

Screen Design

Waterdrop notch
Waterdrop notch
Waterdrop notch

Screen Refresh Rate

60 Hz
-
-

Screen Quality

HD
-
-

Peak Brightness

400 nits
400 nits
270 nits

Phone Variants

4GB 64GB, 3GB 32GB
4GB 64GB, 3GB 32GB
4GB 128GB, 4GB 64GB

Expandable Storage

Yes
Yes
Yes

RAM Type

LPDDR4X
LPDDR4X
-

Storage Type

eMMC 5.1
eMMC 5.1
-

Expandable Storage Capacity

Yes, 256 GB
Yes, 512 GB
Yes, 512 GB

OTG Support

Yes
Yes
Yes

Sensors

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

Operating System

Android v10 (Q)
Android v10 (Q)
Android v10 (Q)

GPU

PowerVR GE8320
PowerVR GE8320
PowerVR GE8320

Chipset

MediaTek Helio G35
MediaTek Helio G35
MediaTek Helio G25

CPU

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

Custom User Interface

Realme UI
MIUI
MIUI

Clock Speed

2.3 GHz
2.3 GHz
2 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

12 nm
12 nm
12 nm

Battery Capacity

5000 mAh
5000 mAh
5000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-Polymer
Li-Polymer

USB Type-C

No
No
No

Announced On

8-Apr-21
6-Oct-20
9-Sep-20

Market Status

Available
Available
Available

Brand

Realme
POCO
Xiaomi

Model Number

RMX3201
MZB07RIIN
MZB0813INMZB080SINMZB0817INMZB080UINMZB0BQIIN

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 7,999
Rs. 7,499
Rs. 7,469

GPS

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

NFC

No
No
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: Nano, SIM2: Nano

Wi-Fi

Yes, Wi-Fi 802.11, b/g/n, MIMO
Yes, Wi-Fi 802.11, a/b/g/n
Yes, Wi-Fi 802.11, a/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 SIM, GSM+GSM

eSIM

No
No
No

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot
Mobile Hotspot

VoLTE

Yes
Yes
Yes

SIM 1 Bands

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) / 700(band 28) / 850(band 5) / 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 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...

SIM 2 Bands

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) / 700(band 28) / 850(band 5) / 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 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
1080p30fps

Front Camera Features

Fixed Focus
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, Wide Angle Primary Camera
f/2.2 Primary Camera
f/2.2 Primary Camera

Front Camera 1 Lens

5.0" sensor size, 1.12 micrometre pixel size
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

Weight

190 grams
194 grams
194 grams

Colors

Cross Blue, Cross Black
Arctic Blue, Lime Green, Matte Black
Midnight Black, Sea Blue,Nature Green

Build

Back: Plastic
-
Back Panel: Plastic

Dimensions

165.2 x 76.4 x 8.9 mm
164.9 x 77 x 9 mm
164.9 x 77.07 x 9 mm

SAR Value

-
Head: 0.506 W/kg, Body: 0.833 W/kg
Head: 0.528 W/kg, Body: 0.791 W/kg

Rear Flash

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

Rear Video Recording

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

Rear Camera Features

4 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, 13MP + 2MP + 2MP
Triple, 13MP + 2MP + 2MP
Single, 13MP

Rear Camera 1 Resolution

13 MP
13 MP
13 MP

Rear Camera 1 Type

f/2.2 (upto 4x Digital Zoom), Wide Angle Primary Camera
f/2.2, Wide Angle Primary Camera
f/2.2 Primary Camera

Rear Camera 1 Lens

26 mm focal length, 3" sensor size, 1.12 micrometre pixel size
28 mm focal length, 1 micrometre pixel size
1 micrometre pixel size

Rear Camera 2 Resolution

2 MP
2 MP
-

Rear Camera 2 Type

f/2.4, Macro Camera
f/2.4, Depth Camera
-

Rear Camera 2 Lens

1.75 micrometre pixel size
1.75 micrometre pixel size
-

Rear Camera 3 Resolution

2 MP
2 MP
-

Rear Camera 3 Type

f/2.4 Mono Camera
f/2.4, Macro Camera
-

Rear Camera 3 Lens

1.75 micrometre pixel size
1.75 micrometre pixel size
-

Rear Sensor

CMOS image sensor
-
-

Rear Aperture

f/2.2
f/2.2
f/2.2

Fingerprint Scanner

Yes
No
No

Fingerprint Scanner Position

Rear
-
-

Face Unlock

Yes
Yes
Yes
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