realme C21 64GB

+ Compare
67%
realme C21 64GB
realme C21 64GB
realme C21 64GB
realme C21 64GB
realme C21 64GB
realme C21 64GB
realme C21 64GB
realme C21 64GB
View All Photos (8)
₹5,999 (Out of Stock)
realme C21 64GB is currently not available in any online store.
See Prices

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 64GB Prices in India

3 GB + 32 GB
View All
4 GB + 64 GB
Flipkart Flipkart
₹5,999 Out Of Stock Go To Store
See All Prices

Competitors For realme C21 64GB

View Alternatives
realme C25
realme C25
Out of Stock ₹10,999
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: 209 grams vs 190 grams
Common Features
RAM: 4 GB
Rear Camera Resolution: 13 MP
Screen Size: 6.5" (16.51 cm)
Display Type: IPS LCD
Internal Memory: 64 GB
73%
...show more
realme C21 64GB VS realme C25
realme C21Y 64GB
realme C21Y 64GB
Out of Stock ₹8,499
This Competitor Has
Slower Processor: 1.8 GHz vs 2.3 GHz
Higher Weight: 200 grams vs 190 grams
Common Features
RAM: 4 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: 64 GB
72%
...show more
realme C21 64GB VS realme C21Y 64GB
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
Lower RAM: 3 GB vs 4 GB
Lower Internal Memory: 32 GB vs 64 GB
Higher Weight: 207 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 64GB VS realme Narzo 30A
Xiaomi Redmi 9i
Xiaomi Redmi 9i
Out of Stock ₹9,999
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
Higher Weight: 194 grams vs 190 grams
Common Features
RAM: 4 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: 64 GB
66%
...show more
realme C21 64GB VS Xiaomi Redmi 9i
Xiaomi Redmi 9
Xiaomi Redmi 9
Out of Stock ₹8,935
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: 4 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: 64 GB
66%
...show more
realme C21 64GB VS Xiaomi Redmi 9
realme Narzo 30A 64GB
realme Narzo 30A 64GB
Out of Stock ₹10,999
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: 4 GB
Rear Camera Resolution: 13 MP
Screen Size: 6.5" (16.51 cm)
Display Type: IPS LCD
Internal Memory: 64 GB
73%
...show more
realme C21 64GB VS realme Narzo 30A 64GB
Xiaomi Redmi 9 Prime
Xiaomi Redmi 9 Prime
Available ₹9,997
Buy From Flipkart
This Competitor Has
Higher Front Camera Resolution: 8 MP vs 5 MP
Larger Screen: 6.53" (16.59 cm) vs 6.5" (16.51 cm)
Higher Battery Capacity: 5020 mAH vs 5000 mAH
Faster Charging: 18 W vs 10 W
Slower Processor: 2.0 GHz vs 2.3 GHz
Higher Weight: 198 grams vs 190 grams
Common Features
RAM: 4 GB
Rear Camera Resolution: 13 MP
Display Type: IPS LCD
Internal Memory: 64 GB
73%
...show more
realme C21 64GB VS Xiaomi Redmi 9 Prime
POCO C3 64GB
POCO C3 64GB
Out of Stock ₹8,499
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: 4 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: 64 GB
69%
...show more
realme C21 64GB VS POCO C3 64GB
realme C12 64GB
realme C12 64GB
Out of Stock ₹9,999
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: 4 GB
Rear Camera Resolution: 13 MP
Front Camera Resolution: 5 MP
Display Type: IPS LCD
Charging Wattage: 10 W
Internal Memory: 64 GB
71%
...show more
realme C21 64GB VS realme C12 64GB
Xiaomi Redmi 9 Power
Xiaomi Redmi 9 Power
Available ₹13,999
Buy From Flipkart
This Competitor Has
Higher Rear Camera Resolution: 48 MP vs 13 MP
Higher Front Camera Resolution: 8 MP vs 5 MP
Larger Screen: 6.53" (16.59 cm) vs 6.5" (16.51 cm)
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: 198 grams vs 190 grams
Common Features
RAM: 4 GB
Display Type: IPS LCD
Internal Memory: 64 GB
76%
...show more
realme C21 64GB VS Xiaomi Redmi 9 Power

Popular Comparisons

realme C21 64GB 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
Featured
Xiaomi Redmi 9 Prime
Xiaomi Redmi 9 Prime
₹9,997
Flipkart
Go To Store

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 64GB User Reviews

4.4/5
Based on 150,498 ratings

realme C21 64GB 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
Popular Mobiles
Samsung Galaxy A37 5G
Samsung Galaxy A37 5G
₹37,599
87%
Samsung Galaxy A57 5G
Samsung Galaxy A57 5G
₹51,950
91%
Samsung Galaxy S26 Ultra
Samsung Galaxy S26 Ultra icon
₹130,999
97%
logo
Samsung Galaxy S26 Plus
Samsung Galaxy S26 Plus icon
₹94,999
94%
logo
vivo X300 FE
vivo X300 FE
₹79,999
95%
OnePlus Nord CE 6 5G
OnePlus Nord CE 6 5G
₹27,999
81%
OnePlus Nord 6
OnePlus Nord 6
₹43,999
90%
OnePlus Nord CE 6 Lite 5G
OnePlus Nord CE 6 Lite 5G
₹18,999
79%
Motorola Edge 70 Fusion
Motorola Edge 70 Fusion
₹27,980
85%
vivo T5 Pro
vivo T5 Pro
₹30,559
82%
vivo T5x
vivo T5x
₹22,393
81%
OPPO Find X9 Ultra
OPPO Find X9 Ultra
₹169,999
98%
Motorola Edge 70 Pro 5G
Motorola Edge 70 Pro 5G
₹38,397
91%
vivo X300 Ultra
vivo X300 Ultra
₹159,999
97%
realme 16T 5G
realme 16T 5G
₹27,999
76%
Motorola Edge 60 Pro
Motorola Edge 60 Pro
₹29,485
89%
Motorola Edge 60 Fusion
Motorola Edge 60 Fusion
₹20,900
84%
vivo T4X
vivo T4X
₹16,999
82%
Moto G67 Power
Moto G67 Power
₹18,999
83%
vivo V70 FE
vivo V70 FE
₹35,990
85%
realme P4
realme P4
₹20,990
83%
OnePlus Nord CE 5 5G
OnePlus Nord CE 5 5G
₹32,999
85%
vivo V70
vivo V70
₹49,999
88%
Motorola Edge 70
Motorola Edge 70
₹29,285
88%
realme P3
realme P3
₹15,999
81%
Apple iPhone 17
Apple iPhone 17
₹82,900
93%
vivo T4 Pro
vivo T4 Pro
₹30,799
84%
vivo V70 Elite
vivo V70 Elite
₹45,999
88%
Moto G96 5G
Moto G96 5G
₹17,989
86%

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 64GB
Updated on: June 5, 2026

Popular Links

  • All Upcoming Phones
  • Upcoming realme Phones
Latest Launches
  • vivo X300 FE
  • OnePlus Nord CE 6 Lite 5G
  • OPPO Find X9 Ultra
  • vivo X300 Ultra
  • OPPO Find X9s
By Price
  • Best Phones Under 10,000
  • Best Phones Under 15,000
  • Best Phones Under 20,000
  • Best phones in any price range
Phones By Top Brands
  • Samsung Mobiles
  • Moto Mobiles
  • vivo Mobiles
  • OPPO Mobiles
  • Tecno Mobiles
  • OnePlus Mobiles
  • realme Mobiles