Realme C21
Buy Realme C21, price and rating in 8 categories as: Camera quality, Battery capacity, Performance, Connectivity, Screen quality, Design, OS, Brand popularity. Comparison of the online stores and the sellers from Ali Express and eBay platforms, C21 Antutu rating and the phone compatibility with network operators in USA. You can also compare C21 with leading competitors in a current budget. If you want to receive additional technical information about the Realme C21 or price, which is not presented on this page, contact our technical support by clicking on the "Have a question?" button.
Camera
1.1
Battery
7.72
Performance
1.88
Connectivity
2.23
Screen
2.46
Design
4.7
OS
8.95
Brand
4.21
Overall details
Brand . . . . . . . . . . . . . . . . . . . . . . . . . .
Model . . . . . . . . . . . . . . . . . . . . . . . . . .
C21
Os . . . . . . . . . . . . . . . . . . . . . . . . . .
Android 10
Android 11
Android 11
UI . . . . . . . . . . . . . . . . . . . . . . . . . .
realme UI 1.0
realme UI 2.0
realme UI 2.0
Chipset
Model . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary
6.8
Processor
9.1
GPU
3.04
Cpu . . . . . . . . . . . . . . . . . . . . . . . . . .
4x 2.3 GHz Cortex-A53
4x 1.8 GHz Cortex-A53, 8 Cores, 64 Bits, 2300 MHz
4x 1.8 GHz Cortex-A53, 8 Cores, 64 Bits, 2300 MHz
CPU Technology . . . . . . . . . . . . . . . . . . . . . . . . . .
12 nm
Gpu . . . . . . . . . . . . . . . . . . . . . . . . . .
IMG PowerVR GE8320, 680 MHz
AnTuTu . . . . . . . . . . . . . . . . . . . . . . . . . .
Memory
Ram . . . . . . . . . . . . . . . . . . . . . . . . . .
3 gigabyte, 1866 MHz, LPDDR4X, Double channel
Rom . . . . . . . . . . . . . . . . . . . . . . . . . .
32 gigabyte
Cards . . . . . . . . . . . . . . . . . . . . . . . . . .
miniSD, microSDHC, microSDXC
Battery
Capacity . . . . . . . . . . . . . . . . . . . . . . . . . .
5000 mAh
Battery Type . . . . . . . . . . . . . . . . . . . . . . . . . .
Li-Polymer
Charging Voltage . . . . . . . . . . . . . . . . . . . . . . . . . .
9 Volt
Charging Amperage . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Amper
Main Camera
Sensor Type . . . . . . . . . . . . . . . . . . . . . . . . . .
CMOS (complementary metal-oxide semiconductor)
Aperture . . . . . . . . . . . . . . . . . . . . . . . . . .
f/2.2
Flash . . . . . . . . . . . . . . . . . . . . . . . . . .
LED
Image Resolution . . . . . . . . . . . . . . . . . . . . . . . . . .
12.98 Megapixels
Video Resolution . . . . . . . . . . . . . . . . . . . . . . . . . .
2.06 Megapixels
Video Frequency . . . . . . . . . . . . . . . . . . . . . . . . . .
30 fps
Secondary camera resolution . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Megapixels
Front Camera
Image Resolution . . . . . . . . . . . . . . . . . . . . . . . . . .
4.92 Megapixels
Sensor Type . . . . . . . . . . . . . . . . . . . . . . . . . .
CMOS (complementary metal-oxide semiconductor)
Video Resolution . . . . . . . . . . . . . . . . . . . . . . . . . .
0.92 Megapixels
Video Frequency . . . . . . . . . . . . . . . . . . . . . . . . . .
30 fps
Features
Autofocus
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Secondary rear camera - 2 MP (macro)
Aperture size - f/2.4 (#2)
3-element lens (#2)
Third rear camera - 2 MP (depth-sensing)
Aperture size - f/2.4 (#3)
3-element lens (#3)
Display
Display Type . . . . . . . . . . . . . . . . . . . . . . . . . .
IPS
Display Size . . . . . . . . . . . . . . . . . . . . . . . . . .
6.5 Inch
Display Resolution . . . . . . . . . . . . . . . . . . . . . . . . . .
720 x 1600 Pixels
Display Density . . . . . . . . . . . . . . . . . . . . . . . . . .
270 PPI
Display Features . . . . . . . . . . . . . . . . . . . . . . . . . .
Capacitive, Multi-touch, Scratch resistant, 2.5D curved glass screen, 400 cd/m² typical brightness
Design
Size . . . . . . . . . . . . . . . . . . . . . . . . . .
76.4 mm x 165.2 mm x 8.9 mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . . .
190 gram
Colors . . . . . . . . . . . . . . . . . . . . . . . . . .
Cross Blue, Cross Black
Materials . . . . . . . . . . . . . . . . . . . . . . . . . .
Plastic
Display Area . . . . . . . . . . . . . . . . . . . . . . . . . .
81.08%
Speaker
Speaker . . . . . . . . . . . . . . . . . . . . . . . . . .
Loudspeaker
Earpiece
Earpiece
Sensors
Functionality . . . . . . . . . . . . . . . . . . . . . . . . . .
Proximity, Light, Accelerometer, Compass, Fingerprint
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . .
GPS, A-GPS, GLONASS, BeiDou, Galileo
Communication
Sim Card Number . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Sim cards
Sim Card Type . . . . . . . . . . . . . . . . . . . . . . . . . .
Nano-SIM (4FF - fourth form factor
since 2012
12.30 x 8.80 x 0.67 mm)
since 2012
12.30 x 8.80 x 0.67 mm)
2G . . . . . . . . . . . . . . . . . . . . . . . . . .
GSM 850 MHz (B5), GSM 900 MHz (B8), GSM 1800 MHz (B3), GSM 1900 MHz (B2)
Sim Card Features . . . . . . . . . . . . . . . . . . . . . . . . . .
Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)
3G . . . . . . . . . . . . . . . . . . . . . . . . . .
W-CDMA 850 MHz (B5), W-CDMA 900 MHz (B8), W-CDMA 2100 MHz (B1)
4G . . . . . . . . . . . . . . . . . . . . . . . . . .
LTE-FDD 850 MHz (B5), LTE-FDD 900 MHz (B8), LTE-FDD 1800 MHz (B3), LTE-FDD 2100 MHz (B1), LTE-TDD 2300 MHz (B40), LTE-TDD 2500 MHz (B41), LTE-TDD 2600 MHz (B38)
Data Transfer . . . . . . . . . . . . . . . . . . . . . . . . . .
Computer sync, OTA sync, Tethering, VoLTE
Mobile operators - United States
2G3G4G
5 | 9
2G3G4G
1 | 2
2G3G4G
5 | 9
2G3G4G
1 | 2
2G3G4G
2 | 8
2G3G4G
5 | 9
2G3G4G
2 | 9
2G3G4G
1 | 2
2G3G4G
2 | 9
2G3G4G
2 | 6
2G3G4G
1 | 4
2G3G4G
1 | 4
2G3G4G
2 | 9
2G3G4G
2 | 9
2G3G4G
4 | 11
2G3G4G
2 | 7
2G3G4G
1 | 4
2G3G4G
1 | 4
2G3G4G
1 | 4
Connection
USB Type . . . . . . . . . . . . . . . . . . . . . . . . . .
Micro USB, Version: 2.0
USB Futures . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging, Mass storage, On-The-Go
Bluetooth Version . . . . . . . . . . . . . . . . . . . . . . . . . .
5.0
Bluetooth Features . . . . . . . . . . . . . . . . . . . . . . . . . .
A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy)
Wi Fi . . . . . . . . . . . . . . . . . . . . . . . . . .
802.11b (IEEE 802.11b-1999), 802.11g (IEEE 802.11g-2003), 802.11n (IEEE 802.11n-2009), Wi-Fi Hotspot
Alternatives
Prices history
Maximal . . . . . . . . . . . . . . . . . . . . . . . . . . .
236
Minimal . . . . . . . . . . . . . . . . . . . . . . . . . . .
236
Average . . . . . . . . . . . . . . . . . . . . . . . . . . .
236