realme C21 vs Xiaomi Redmi 9i

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Comparing the realme C21 vs Xiaomi Redmi 9i across performance, display, camera, battery, storage and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: realme C21 runs at a higher processing speed of 2.3 GHz, while Xiaomi Redmi 9i runs at 2.0 GHz, making realme C21 the better performer.


Display: Xiaomi Redmi 9i offers a screen size of 6.53 inches, while realme C21 offers 6.5 inches, making Xiaomi Redmi 9i the larger display of the two. Both realme C21 and Xiaomi Redmi 9i feature the same IPS LCD display.


Rear Camera: Both realme C21 and Xiaomi Redmi 9i feature a 13 MP primary rear camera.


Front Camera: Both realme C21 and Xiaomi Redmi 9i feature a 5 MP primary front camera.


Battery: Both realme C21 and Xiaomi Redmi 9i offer the same 5000 mAh battery capacity.


Storage: Xiaomi Redmi 9i offers higher internal storage with 64 GB, while realme C21 offers 32 GB, making Xiaomi Redmi 9i the better option for storage.


User Rating: realme C21 receives a higher user rating of 4.4, while Xiaomi Redmi 9i has a rating of 4.3.

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✕
realme C21
realme C21
realme C21
realme C21
realme C21
realme C21
₹9,999
(Out of Stock)
✕
Xiaomi Redmi 9i
Xiaomi Redmi 9i
Xiaomi Redmi 9i
Xiaomi Redmi 9i
Xiaomi Redmi 9i
Xiaomi Redmi 9i
₹9,999
(Out of Stock)
Add to Compare

Summary

Spec Score

67%
66%

Release Date

14 Apr, 2021
15 Sep, 2020

Performance
MediaTek Helio G35
MediaTek Helio G25
Tru-Octa Core (upto 2.3 GHz)
Tru-Octa Core (upto 2 GHz)
3 GB RAM
4 GB RAM

Display
6.5 inches (16.51 cm)
6.53 inches (16.59 cm)
IPS LCD
IPS LCD
720x1600 px (HD+)
720x1600 px (HD+)
60 Hz Refresh Rate
N/A

Rear Camera
13 MP
Wide Angle Primary Camera
13 MP
Primary Camera
2 MP
Macro Camera
N/A
2 MP
Mono Camera
N/A

Front Camera
5 MP
Wide Angle Lens
5 MP

Battery
5000 mAh
5000 mAh
No Wireless Charging
N/A

Storage

32 GB
64 GB
eMMC 5.1
N/A

User Ratings

4.4/5
(72,845 ratings)
4.3/5
(587,088 ratings)

Benchmarks (The higher, the better)

131,494
AnTuTu Score
N/A

User Feedback

General

Launch Date

Apr 14, 2021
(Official)
Sep 15, 2020
(Official)

Operating System

Android v10 (Q)
Android v10 (Q)

Custom UI

Realme UI
MIUI

Performance

Performance Rating

Avg
Avg

Chipset

MediaTek Helio G35
MediaTek Helio G25

Processor

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

Architecture (The higher, the better)

64 bit
64 bit

Fabrication (The lower, the better)

12 nm
12 nm

Graphics (GPU)

PowerVR GE8320
PowerVR GE8320

RAM

3 GB / 4 GB
4 GB

RAM Type

LPDDR4X
N/A

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

131,494
N/A

Display

Display Rating

Very Good
Very Good

Display Type

IPS LCD
IPS LCD

Screen Size

6.5 inches  (16.51 cm)
6.53 inches  (16.59 cm)

Resolution

720x1600 px (HD+)
720x1600 px (HD+)

Brightness

400 nits
270 nits

Refresh Rate

60 Hz
N/A

Aspect Ratio

20:9
20:9

Pixel Density

270 ppi
269 ppi

Screen to Body Ratio (calculated)

80.82 %
81.01 %

Bezel-less Display

Yes with waterdrop notch
Yes with waterdrop notch

Screen to Body Ratio (claimed by the brand)

89.5 %
N/A

Design

Height

165.2 mm
164.9 mm

Width

76.4 mm
77.07 mm

Thickness

8.9 mm
9 mm

Weight

190 grams
194 grams

Build Material

Back: Plastic
N/A

Water Resistance

N/A
Yes Splash proof

Rear Camera

Rear Camera Rating

Good
Good

Resolution

13 MP
Primary Camera4x Digital Zoomf/2.2 Wide Angle26 mm focal length 1/3" sensor size CMOS image sensor 1.12µm pixel size
13 MP
Primary Cameraf/2.21µm pixel size
2 MP
f/2.4 Macro Camera1.75µm pixel size
N/A
2 MP
f/2.4 Mono Camera1.75µm pixel size
N/A

Autofocus

Yes Phase Detection Autofocus
Yes Phase Detection Autofocus

Flash

Yes LED Flash
Yes LED Flash

Image Resolution

4128 x 3096 Pixels
4128 x 3096 Pixels

Settings

Exposure compensation ISO control
Exposure compensation ISO control

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)

Camera Features

4 x Digital Zoom
Auto Flash
Face detection
Touch to focus
Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

Full HD @30 fps
Full HD @30 fps
HD @30 fps

Front Camera

Front Camera Rating

Good
Good

Resolution

5 MP
f/2.2 Wide Angle Primary Camera1/5.0" sensor size 1.12µm pixel size
5 MP
f/2.2 Primary Camera1.12µm pixel size

Flash

N/A
Yes Screen flash

Camera Features

Fixed Focus
N/A

Video Recording

Full HD @30 fps
N/A

Battery

Battery Rating

Very Good
Very Good

Capacity

5000 mAh
5000 mAh

Battery Type

Li-ion
Li-Polymer

Storage

Internal Storage

32 GB / 64 GB
64 GB / 128 GB

Storage Type

eMMC 5.1
N/A

Expandable Storage

Yes Up to 256 GB
Yes Up to 512 GB

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano

Network Support

5G Not Supported 4G
5G Not Supported 4G

VoLTE

Yes
Yes

SIM 1

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)
4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)

SIM 2

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)
4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)

SAR Value

N/A
Head: 0.528 W/kg Body: 0.791 W/kg

Wi-Fi

Yes Wi-Fi 4 (802.11 b/g/n) MIMO
Yes Wi-Fi 4 (802.11 a/b/g/n)

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot

Bluetooth

Yes v5.0
Yes v5.0

GPS

Yes with A-GPS Glonass
Yes with A-GPS Glonass

NFC

No
N/A

Multimedia

Audio Jack

3.5 mm
3.5 mm

Sensors

Fingerprint Sensor

Yes
No

Fingerprint Sensor Position

Rear
N/A

Other Sensors

Light sensor Proximity sensor Accelerometer
Light sensor Proximity sensor Accelerometer Compass
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