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Compare 3 products

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BLU Dash X2 Mobile Phone
BLU Dash X2
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Nokia 3.4 Mobile Phone
Nokia 3.4
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realme C21 Mobile Phone
realme C21
Editiorial reviews
6
3.1 out of 5
4 user ratings
5 stars
0 %
4 stars
25 %
3 stars
75 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
5
5 editorial reviews
The realme C21 (Optus locked) is a $199 4G smartphone offering terrific features for the price. It is even better with the $30 Optus credit.Read more
As smartphones become more specialized for certain functions like gaming, along comes the Realme C21, which focuses on basic uses.Read more
Smartphones can range anywhere between $100 to several thousands of dollars and of course, they greatly vary in terms of functionality and performance.Read more
Read editorial reviews
User rating
35
4.2 out of 5
35 user ratings
5 stars
45 %
4 stars
28 %
3 stars
25 %
2 stars
0 %
1 stars
0 %
35
4.1 out of 5
35 user ratings
5 stars
37 %
4 stars
37 %
3 stars
25 %
2 stars
0 %
1 stars
0 %
45
4.3 out of 5
45 user ratings
5 stars
44 %
4 stars
44 %
3 stars
11 %
2 stars
0 %
1 stars
0 %

Hardware

Operating systemAndroid 6.0Android 10Android 10
CPU clock speed1.3 GHz
N/A
2.3 GHz
CPU coresQuad-core
N/A
8-core
CPU modelMediatek MT6580Qualcomm Snapdragon 460MediaTek Helio G35
GPU modelARM Mali-400 MP
N/A
N/A
RAM memory1 GB3 GB
  • 3 GB
  • 4 GB

Display

Screen size5.0 in6.39 in6.5 in
Touchscreenyes
N/A
N/A
Number of colors16.7M
N/A
N/A
Panel typeLCD
N/A
LCD
Resolution1280 x 720 px
N/A
1600 x 720 px
TechnologyIPS LCD
N/A
LCD
Pixel density294.0 ppi
N/A
N/A
Multi touchyes
N/A
N/A

Rear camera

Number of rear cameras1
N/A
N/A
Primary sensor resolution8.0 Mpx13.0 Mpx13.0 Mpx
Video recordingyes
N/A
N/A
Highest video resolution1920 x 1080 px
N/A
N/A
Autofocusyes
N/A
N/A
Burst Modeyes
N/A
N/A
Digital zoomyes
N/A
N/A
Face detectionyesFace recognitionFace recognition
Geo-taggingyes
N/A
N/A
HDR Captureyes
N/A
N/A
LED Flashyes
N/A
N/A
Night Modeyes
N/A
N/A
Panoramayes
N/A
N/A
Smile detectionyes
N/A
N/A
Touch focusyes
N/A
N/A
Resolution (second camera)
N/A
5.0 Mpx2.0 Mpx
Resolution (third camera)
N/A
2.0 Mpx2.0 Mpx
Focus adjustment
N/A
AutomaticAutomatic
Lens aperture (second camera)
N/A
N/A
F/2.4
Lens aperture (third camera)
N/A
N/A
F/2.4

Front camera

Number of front cameras1
N/A
N/A
Primary resolution2.0 Mpx8.0 Mpx5.0 Mpx
Face detectionyesFace recognitionFace recognition
Focus adjustment
N/A
AutomaticAutomatic
Lens aperture
N/A
N/A
F/2.2

Storage

Internal storage8 GB64 GB
  • 32 GB
  • 64 GB
Memory card readeryes
N/A
N/A
Maximum card storage64GB
N/A
N/A
Types of memory card supportedmicroSD
N/A
N/A

Dimensions

Height5.71 in6.34 in6.5 in
Width2.88 in2.99 in3.01 in
Depth0.38 in0.34 in0.35 in
Weight6.14 oz6.35 oz6.7 oz

Connectivity

Dual sim supportyes
N/A
N/A
Sim card sizeMicro-SIMNano SIMNano SIM
Bluetoothyes
N/A
N/A
Bluetooth version4.0
N/A
N/A
Bluetooth profileA2DP
N/A
N/A
NFCno
N/A
N/A
Headphone connection3.5 mm
N/A
N/A
USB version2.0
N/A
N/A

Cellular

Wireless network (Wi-Fi)yes
N/A
N/A
Wireless networking standard
  • 802.11b
  • 802.11g
  • 802.11n
N/A
N/A
Data transmissionHSDPA
  • GPRS
  • EDGE
  • HSDPA
  • HSUPA
  • HSPA+
  • VoLTE
  • FDD-LTE
  • TDD-LTE
  • VoWiFi
  • FDD-LTE
  • TDD-LTE
2G GSMyes
N/A
N/A
GSM frequencies
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
N/A
N/A
UMTS frequences
  • 850 MHz
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 2100 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
Mobile hotspotyes
N/A
N/A
Navigation system
N/A
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Galileo
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou

Battery

Replaceable batteryyes
N/A
N/A
Battery typeLithium Polymer
N/A
N/A
Battery capacity2000.0 mAh4000.0 mAh5000.0 mAh
Standby time700.0 h
N/A
N/A
Talk time14.0 h
N/A
N/A

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realme C21
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