realme C21 specifications


Dimensions 165.2 x 76.4 x 8.9 mm
Volume 112.3 cc
Weight 190 grams
Stand-by depends on usage
Talk time depends on usage
Announced April 2021
Status Not available
Design type
Monoblock
Controls
Facial unlock
Fingerprint recognition
Touchscreen Multi-touch, Capacitive
Voice command
Voice dialing
Operating system
Android 10
User interface
realme UI
Display
Auto-rotate
Color display Adjustable display brightness, 16.777.216 colors (24 bits), Mini-drop Fullscreen, Notch
  • Size
6.5 inch
  • Resolution
1600 x 720 pixels
  • Aspect ratio
20:9
  • Peak brightness
400 nits
  • Pixels Per Inch (PPI)
270
  • Screen-to-body ratio
80.8%
Hardware
Camera Tri camera sensor, Auto focus, Digital zoom, Effects/camera settings, Flash, Geotagging, Face recognition, Quality settings, Macro mode, Burst (Continuous) Shooting, Night mode, Panoramic photo, Portrait mode, Video recorder, self-timer
  • Type
13 MP + 2 MP + 2 MP
  • F-number
f/2.2 + f/2.4 + f/2.4
  • Max. resolution
(camera) 4208 x 3120 pixels + (video) 1920 x 1080 pixels
Haptic feedback
Integrated antenna
Processor Octa core
  • Clock Frequency
2.3 GHz
Secondary camera
  • Type
5 MP
  • F-number
f/2.2
  • Max. resolution
(camera) 2592 x 1944 pixels
Materials
Gorilla Glass
Telephony
Dual SIM
Flight mode
Integrated handsfree speaker
nano-SIM (4FF)
Vibrating alert
Videoconferencing
Operating frequency
Quad band
Data network
4G (LTE) Cat 6 (300 Mbps), Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28
EDGE
GPRS
HSDPA
HSUPA
UMTS
Personalisation
Multiple homescreens
Widgets
Personal Information Management (PIM)
Agenda
Alarm clock
Calculator
Contact list
Date and time notation
Document viewer Excel files, PowerPoint files, PDF files, Word files
Phonebook with groups
Photo phonebook
Reminder list
Stopwatch & countdown timer
Voice memo
Available applications
Automatic switch on/off phone
Image editor
Java application support
Photo album
Video codec support H.264, MPEG-4
Video file support 3GP, ASF, FLV, MKV, MP4, WebM, WMV
Messaging
E-mail POP3, SMTP, IMAP4
Instant messaging Google Talk
MMS Video MMS
Predictive Text Input T9
SMS Group messaging, Receive and send concatenated messages
Internet
Internet browser Google Chrome
RSS reader
YouTube support
Navigation
A-GPS
Beidou
Build-in navigation system Google Maps, Google Maps Navigation
Digital Compass
GLONASS
GPS receiver
Audio
Audio codec support AAC, AMR, FLAC, MIDI, Mobile XMF, MP3 VBR, OGG Vorbis, OTA, RTTL/RTX
Audio file support M4A, MP3
FM-radio Stereo, RDS
Polyphonic ringtones MP3 ringtones
Build-in memory
Internal memory
  • Size (RAM)
3 GB + 4 GB
  • Storage
32 GB + 64 GB
Memory card slot MicroSDHC memory card
Connections
Audio jack plug 3.5 mm
USB v2.0, microUSB
Connectivity
Bluetooth v5.0, Advanced Audio Distribution Profile (A2DP)
Synchronisation SyncML
Tethering
WAP 2.0
Wireless Lan (WLAN/Wi-Fi) Wi-Fi 4 (802.11n), WiFi Direct support
Power supply
Battery Li-ion
  • Capacity
5000 mAh
Sensors
Ambient light sensor
Gesture recognition
Proximity sensor