realme C21

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realme C21
realme C21
realme C21
realme C21
realme C21
realme C21
realme C21
realme C21
View All Photos (8)
₹9,999 (Out of Stock)
realme C21 is currently not available in any online store.
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Key Specs

Android v10 (Q)

Performance

(Avg)
  • MediaTek Helio G35
  • Octa Core, 2.3 GHz
  • 3 GB / 4 GB RAM

Display

(Very Good)
  • 6.5 inches (16.51 cm); IPS LCD
  • 720x1600 px (HD+)
  • 60 Hz Refresh Rate
  • Bezel-less with waterdrop notch

Rear Camera

(Good)
  • Triple Camera Setup
    • 13 MP (upto 4x Digital Zoom) Wide Angle Primary Camera
    • 2 MP Macro Camera
    • 2 MP Mono Camera
  • LED Flash
  • Full HD @30 fps Video Recording

Front Camera

(Good)
  • 5 MP Wide Angle Lens
  • Full HD @30 fps Video Recording

Battery

(Very Good)
  • 5000 mAh

General

  • SIM1: Nano, SIM2: Nano
  • 5G Not Supported
  • 32 GB / 64 GB Storage, Expandable upto 256 GB
Add To Compare See Full Specs

realme C21 Prices in India

3 GB + 32 GB
Flipkart Flipkart
₹9,999 Out Of Stock Go To Store
4 GB + 64 GB
View All
See All Prices

Competitors For realme C21

View Alternatives
realme Narzo 30A
realme Narzo 30A
Out of Stock ₹6,499
This Competitor Has
Higher Front Camera Resolution: 8 MP vs 5 MP
Higher Battery Capacity: 6000 mAH vs 5000 mAH
Faster Charging: 18 W vs 10 W
Slower Processor: 2.0 GHz vs 2.3 GHz
Higher Weight: 207 grams vs 190 grams
Common Features
RAM: 3 GB
Rear Camera Resolution: 13 MP
Screen Size: 6.5" (16.51 cm)
Display Type: IPS LCD
Internal Memory: 32 GB
73%
...show more
realme C21 VS realme Narzo 30A
realme C20
realme C20
Out of Stock ₹6,499
This Competitor Has
Lower RAM: 2 GB vs 3 GB
Lower Rear Camera Resolution: 8 MP vs 13 MP
Common Features
Processor: 2.3 GHz
Front Camera Resolution: 5 MP
Screen Size: 6.5" (16.51 cm)
Display Type: IPS LCD
Battery Capacity: 5000 mAH
Charging Wattage: 10 W
Internal Memory: 32 GB
Weight: 190 grams
66%
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realme C21 VS realme C20
POCO C3
POCO C3
Out of Stock ₹7,499
This Competitor Has
Larger Screen: 6.53" (16.59 cm) vs 6.5" (16.51 cm)
Higher Weight: 194 grams vs 190 grams
Common Features
Processor: 2.3 GHz
RAM: 3 GB
Rear Camera Resolution: 13 MP
Front Camera Resolution: 5 MP
Display Type: IPS LCD
Battery Capacity: 5000 mAH
Charging Wattage: 10 W
Internal Memory: 32 GB
69%
...show more
realme C21 VS POCO C3
realme C12
realme C12
Out of Stock ₹5,300
This Competitor Has
Larger Screen: 6.52" (16.56 cm) vs 6.5" (16.51 cm)
Higher Battery Capacity: 6000 mAH vs 5000 mAH
Higher Weight: 209 grams vs 190 grams
Common Features
Processor: 2.3 GHz
RAM: 3 GB
Rear Camera Resolution: 13 MP
Front Camera Resolution: 5 MP
Display Type: IPS LCD
Charging Wattage: 10 W
Internal Memory: 32 GB
70%
...show more
realme C21 VS realme C12
Xiaomi Redmi 9i
Xiaomi Redmi 9i
Out of Stock ₹9,999
This Competitor Has
Higher RAM: 4 GB vs 3 GB
Larger Screen: 6.53" (16.59 cm) vs 6.5" (16.51 cm)
Higher Internal Memory: 64 GB vs 32 GB
Slower Processor: 2.0 GHz vs 2.3 GHz
Higher Weight: 194 grams vs 190 grams
Common Features
Rear Camera Resolution: 13 MP
Front Camera Resolution: 5 MP
Display Type: IPS LCD
Battery Capacity: 5000 mAH
Charging Wattage: 10 W
66%
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realme C21 VS Xiaomi Redmi 9i
realme C25
realme C25
Out of Stock ₹10,999
This Competitor Has
Higher RAM: 4 GB vs 3 GB
Higher Front Camera Resolution: 8 MP vs 5 MP
Higher Battery Capacity: 6000 mAH vs 5000 mAH
Faster Charging: 18 W vs 10 W
Higher Internal Memory: 64 GB vs 32 GB
Slower Processor: 2.0 GHz vs 2.3 GHz
Higher Weight: 209 grams vs 190 grams
Common Features
Rear Camera Resolution: 13 MP
Screen Size: 6.5" (16.51 cm)
Display Type: IPS LCD
73%
...show more
realme C21 VS realme C25
Xiaomi Redmi 9A
Xiaomi Redmi 9A
Out of Stock ₹6,499
This Competitor Has
Larger Screen: 6.53" (16.59 cm) vs 6.5" (16.51 cm)
Slower Processor: 2.0 GHz vs 2.3 GHz
Lower RAM: 2 GB vs 3 GB
Higher Weight: 194 grams vs 190 grams
Common Features
Rear Camera Resolution: 13 MP
Front Camera Resolution: 5 MP
Display Type: IPS LCD
Battery Capacity: 5000 mAH
Charging Wattage: 10 W
Internal Memory: 32 GB
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realme C21 VS Xiaomi Redmi 9A
realme C11 2021
realme C11 2021
Out of Stock ₹4,100
This Competitor Has
Slower Processor: 1.6 GHz vs 2.3 GHz
Lower RAM: 2 GB vs 3 GB
Lower Rear Camera Resolution: 8 MP vs 13 MP
Common Features
Front Camera Resolution: 5 MP
Screen Size: 6.5" (16.51 cm)
Display Type: IPS LCD
Battery Capacity: 5000 mAH
Charging Wattage: 10 W
Internal Memory: 32 GB
Weight: 190 grams
68%
...show more
realme C21 VS realme C11 2021
realme C21Y
realme C21Y
Out of Stock ₹5,999
This Competitor Has
Slower Processor: 1.8 GHz vs 2.3 GHz
Higher Weight: 200 grams vs 190 grams
Common Features
RAM: 3 GB
Rear Camera Resolution: 13 MP
Front Camera Resolution: 5 MP
Screen Size: 6.5" (16.51 cm)
Display Type: IPS LCD
Battery Capacity: 5000 mAH
Charging Wattage: 10 W
Internal Memory: 32 GB
72%
...show more
realme C21 VS realme C21Y
realme C11
realme C11
Out of Stock ₹7,999
This Competitor Has
Larger Screen: 6.52" (16.56 cm) vs 6.5" (16.51 cm)
Lower RAM: 2 GB vs 3 GB
Higher Weight: 196 grams vs 190 grams
Common Features
Processor: 2.3 GHz
Rear Camera Resolution: 13 MP
Front Camera Resolution: 5 MP
Display Type: IPS LCD
Battery Capacity: 5000 mAH
Charging Wattage: 10 W
Internal Memory: 32 GB
66%
...show more
realme C21 VS realme C11

Popular Comparisons

realme C21 Specifications

General Performance Display Design Rear Camera Front Camera Battery Storage Network & Connectivity Multimedia Sensors

General
Launch Date April 14, 2021 (Official)
Operating System Android v10 (Q)
Custom UI Realme UI

Performance

(Avg)
Chipset MediaTek Helio G35
Processor Octa core, 2.3 GHz, Cortex A53
Architecture 64 bit
Fabrication 12 nm
Graphics (GPU) PowerVR GE8320
RAM 3 GB / 4 GB
RAM Type LPDDR4X
Performance Test Results icon View AnTuTu Score
AnTuTu Score 131,494
Speed Test (Antutu Score)
The higher, the better
Lava Bold N1 5G 516,090 
Lava Storm Play 503,166 
Xiaomi Redmi 14C 438,871 
Tecno Spark Go 5G 418,472 
Acer Mobile Super ZX 413,853 
Tecno Spark Go 3 374,119 
realme C21 131,494 
*Group: 9-12k Phones
See comparison with other phones

Display

(Very Good)
Display Type IPS LCD
Screen Size 6.5 inches (16.51 cm)
Resolution 720x1600 px (HD+)
Brightness 400 nits
Refresh Rate 60 Hz
Aspect Ratio 20:9
Pixel Density 270 ppi
Screen to Body Ratio (calculated) 80.82 %
Bezel-less Display Yes with waterdrop notch
Screen to Body Ratio (claimed by the brand) 89.5 %

Design
Height 165.2 mm
Width 76.4 mm
Thickness 8.9 mm
Weight 190 grams
Build Material Back: Plastic

Rear Camera

(Good)
Resolution
CameraMPLens FeaturesApertureSensor SizePixel SizeZoomFocal Length
Primary13 MPWide Anglef/2.21/3" 1.12µmupto 4x Digital Zoom26 mm
Secondary2 MPMacrof/2.41.75µm
Tertiary2 MPMonof/2.41.75µm
Autofocus Yes, Phase Detection Autofocus
Flash Yes, LED Flash
Image Resolution 4128 x 3096 Pixels
Settings Exposure compensation, ISO control
Shooting Modes Continuous Shooting
High Dynamic Range mode (HDR)
Camera Features 4 x Digital Zoom
Auto Flash
Face detection
Touch to focus
Video Recording Full HD @30 fps

Front Camera

(Good)
Resolution
CameraMPLens FeaturesApertureSensor SizePixel Size
Primary5 MPWide Anglef/2.21/5.0"1.12µm
Camera Features Fixed Focus
Video Recording Full HD @30 fps

Battery

(Very Good)
Capacity 5000 mAh
Battery Type Li-ion

Storage
Internal Storage 32 GB / 64 GB
Storage Type eMMC 5.1
Expandable Storage Yes, Up to 256 GB

Network & Connectivity
SIM Slot(s) Dual SIM
SIM Type SIM1: Nano, SIM2: Nano
Network Support 5G Not Supported, 4G
VoLTE Yes
SIM 1 4G bands
Expand
Bands Features
4G bandsTD-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)
SIM 2 4G bands
Expand
Bands Features
4G bandsTD-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)
Wi-Fi Yes, Wi-Fi 4 (802.11 b/g/n), MIMO
Wi-Fi Features Mobile Hotspot
Bluetooth Yes, v5.0
GPS Yes with A-GPS, Glonass
NFC No

Multimedia
Audio Jack 3.5 mm

Sensors
Fingerprint Sensor Yes
Fingerprint Sensor Position Rear
Other Sensors Light sensor, Proximity sensor, Accelerometer

realme C21 User Reviews

4.4/5
Based on 72,845 ratings

realme C21 Key Highlights

Processor MediaTek Helio G35
RAM & Storage 3 GB RAM + 32 GB
4 GB RAM + 64 GB
Display 6.5", 720 x 1600 Resolution
Rear Camera 13 MP + 2 MP + 2 MP
Front Camera 5 MP
Battery 5000 mAh
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realme C21 Price In India

Product Name Price
realme C21 (3 GB + 32 GB) ₹9,999
realme C21 (4 GB + 64 GB) ₹5,999
Mobiles› realme Mobile Phones› realme C21
Updated on: June 4, 2026

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