Realme C100 5G vs Realme C21 comparison

Compare Realme C100 5G
Compare Realme C21
key specs
Display6.80-inch6.50-inch
ProcessorMediaTek Dimensity 6300MediaTek Helio G35
Front Camera5-megapixel 5-megapixel
Rear Camera50-megapixel 13-megapixel + 2-megapixel + 2-megapixel
RAM4GB3GB, 4GB
Storage128GB32GB, 64GB
Battery Capacity7000mAh5000mAh
OSAndroid 16Android 10
Resolution720x1570 pixels720x1600 pixels
general
BrandRealmeRealme
ModelC100 5GC21
Release dateApril 4, 2026April 8, 2021
Launched in IndiaNoYes
Form factorTouchscreen-
Dimensions (mm)166.47 x 78.23 x 8.88165.20 x 76.40 x 8.90
Weight (g)224.00190.00
IP ratingIP64-
Battery capacity (mAh)70005000
Removable batteryNo-
Fast charging45W Fast Charging-
Wireless chargingNo-
ColoursBlooming Purple and Sprouting GreenCross Black, Cross Blue
display
Refresh Rate144 Hz-
Resolution StandardHD+-
Screen size (inches)6.806.50
TouchscreenYesYes
Resolution720x1570 pixels720x1600 pixels
Protection typeOther-
Pixels per inch (PPI)256-
hardware
Processorocta-coreocta-core
Processor makeMediaTek Dimensity 6300MediaTek Helio G35
RAM4GB3GB, 4GB
Internal storage128GB32GB, 64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)-256
Dedicated microSD slot-Yes
camera
Rear camera50-megapixel (f/1.8)13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras13
Rear autofocusYes-
Rear flashYes-
Front camera5-megapixel (f/2.2)5-megapixel (f/2.2)
No. of Front Cameras11
Pop-Up CameraNo-
Front autofocusYes-
Front flashNo-
software
Operating systemAndroid 16Android 10
SkinRealme UI 7.0Realme UI
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.30Yes, v 5.00
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi standards supported-802.11 b/g/n
Micro-USB-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSM + CDMAGSM
4G/ LTEYesYes
5GYes-
3G-Yes
sensors
3D face recognitionYes-
Fingerprint sensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Compass/ Magnetometer-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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