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realme C21 Mobile Phone
realme C21
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Xiaomi Redmi 9 Mobile Phone
Xiaomi Redmi 9
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Xiaomi Redmi 9C Mobile Phone
Xiaomi Redmi 9C
Available colors
Editiorial reviews
5
5 editorial reviews
The realme C21 (Optus locked) is a $199 4G smartphone offering terrific features for the price. It is even better with the $30 Optus credit.Read more
As smartphones become more specialized for certain functions like gaming, along comes the Realme C21, which focuses on basic uses.Read more
Smartphones can range anywhere between $100 to several thousands of dollars and of course, they greatly vary in terms of functionality and performance.Read more
Read editorial reviews
6
3.8 out of 5
3 user ratings
5 stars
0 %
4 stars
100 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
2
2 editorial reviews
Our experts test the Xiaomi Redmi 9C. With 128 GB of storage, the Redmi 9C already sends positive signals. We determine whether Xiaomi's low-cost phone is still a good smartphone from China in 2022 based on numerous measurements.Read more
Review: With promotion code 94.7 $ 6.53-inch great phone Xiaomi has run with its Redmi series for many years, and these phones usually are designed noRead more
Read editorial reviews
User rating
45
4.3 out of 5
45 user ratings
5 stars
44 %
4 stars
44 %
3 stars
11 %
2 stars
0 %
1 stars
0 %
38
4.0 out of 5
38 user ratings
5 stars
28 %
4 stars
44 %
3 stars
26 %
2 stars
0 %
1 stars
0 %
38
4.1 out of 5
38 user ratings
5 stars
34 %
4 stars
42 %
3 stars
18 %
2 stars
5 %
1 stars
0 %

Hardware

Operating systemAndroid 10
N/A
N/A
CPU clock speed2.3 GHz2.0 GHz2.3 GHz
CPU cores8-core8-core8-core
CPU modelMediaTek Helio G35MediaTek Helio G80MediaTek Helio G35
RAM memory
  • 3 GB
  • 4 GB
3 GB
  • 2 GB
  • 3 GB

Display

Screen size6.5 in6.53 in6.53 in
Panel typeLCD
N/A
N/A
Resolution1600 x 720 px2340 x 1080 px1600 x 720 px
TechnologyLCD
N/A
N/A
Pixel density
N/A
394.0 ppi
N/A
Screen material
N/A
Corning Gorilla Glass 3.0
N/A

Rear camera

Primary sensor resolution13.0 Mpx13.0 Mpx13.0 Mpx
Resolution (second camera)2.0 Mpx8.0 Mpx2.0 Mpx
Resolution (third camera)2.0 Mpx5.0 Mpx2.0 Mpx
Lens aperture (second camera)F/2.4F/2.2F/2.4
Lens aperture (third camera)F/2.4F/2.4F/2.4
Focus adjustmentAutomaticAutomaticAutomatic
Resolution (fourth camera)
N/A
2.0 Mpx
N/A
Primary Field of View (FoV)
N/A
75.2 °75.2 °
Field of View (FoV) (second camera)
N/A
118.0 °
N/A

Front camera

Primary resolution5.0 Mpx8.0 Mpx5.0 Mpx
Face detectionFace recognition
N/A
Face recognition
Lens apertureF/2.2F/2.0F/2.2
Primary Field of View (FoV)
N/A
75.2 °75.2 °
Focus adjustmentAutomaticAutomaticAutomatic
Light source
N/A
Display flashDisplay flash

Storage

Internal storage
  • 32 GB
  • 64 GB
  • 32 GB
  • 64 GB
  • 32 GB
  • 64 GB

Design

Colour of productCross blue
  • Carbon grey
  • Ocean green
  • Sunset purple
  • Midnight grey
  • Sunrise orange
  • Twilight blue

Dimensions

Height6.5 in6.43 in6.49 in
Width3.01 in3.03 in3.03 in
Depth0.35 in0.36 in0.35 in
Weight6.7 oz6.98 oz6.91 oz

Connectivity

Sim card sizeNano SIMNano-SIMNano SIM
Dual sim support
N/A
yes
N/A
Bluetooth
N/A
yes
N/A
Bluetooth version
N/A
5.0
N/A
NFC
N/A
yes
N/A
Charging connection
N/A
USB
N/A
Headphone connection
N/A
3.5 mm
N/A
Type of USB connector
N/A
USB Type-C
N/A

Cellular

Data transmission
  • FDD-LTE
  • TDD-LTE
  • GPRS
  • EDGE
  • HSDPA
  • HSUPA
  • HSPA+
  • VoLTE
  • FDD-LTE
  • TDD-LTE
  • GPRS
  • EDGE
  • HSDPA
  • HSUPA
  • HSPA+
  • VoLTE
  • FDD-LTE
  • TDD-LTE
  • VoLTE
  • FDD-LTE
  • TDD-LTE
Navigation system
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
UMTS frequences
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 2100 MHz
  • 1900 MHz
  • 1700 MHz
  • 850 MHz
  • 900 MHz

Battery

Battery capacity5000.0 mAh5020.0 mAh5000.0 mAh
Talk time
N/A
31.0 h32.0 h

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realme C21
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realmeC21