Celkon A21 vs Celkon C770 Dj
Celkon A21
Celkon C770 Dj
-
Network
-
2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
-
3G networkHSDPA 2100Yes
-
HSDPA speedHSDPA-
-
Speed Yes-Yes
-
GPRSYesYes
-
EDGEYes
-
Availability
-
Oficially announced2014-122014-12
-
Status2014-12
-
Design
-
SIMDual SIM (dual stand-by)Dual SIM (Mini-SIM)
-
Height124.8 mm118 mm
-
Width66.1 mm52 mm
-
Thickness10.8 mm12.9 mm
-
Weight115.3 g
-
ColorsBlack, Blue, RedBlack/Red
-
Display
-
Display typeCapacitive touchscreenTFT
-
Physical size4.0 inches2.4 inches
-
Resolution320 x 480 pixels240 x 320 pixels
-
Pixel density144 ppi167 ppi
-
Hardware
-
CPUDual-core 1.2 GHz
-
ChipsetMediatek MT6582-
-
Memory ROM512 MB-
-
Memory RAM256 MB-
-
Memory cardmicroSDmicroSD
-
Memory card max32 GB16 GB
-
OS
-
OSAndroid OS, v4.2.2 (Jelly Bean)-
-
Main camera
-
Main camera3.15 MP2 MP
-
Primary camera resolution-1600 x 1200 pixels
-
Primary camera videovideovideo
-
Selfie camera
-
Secondary camera-No
-
Selfie camera1.3 MP
-
Sound
-
3.5mm jackYesYes
-
LoudspeakerYesYes
-
NotificationsVibration, Polyphonic, MP3 ringtonesVibration, Polyphonic, MP3 ringtones
-
Multimedia
-
Radio FMFM radioStereo FM radio
-
Connectivity
-
WLANWi-Fi
-
USBYesYes
-
Bluetoothv4.0Yes
-
GPSNoNo
-
Features
-
Messaging SMSSMS(threaded view)SMS
-
Messaging MMSMMSMMS
-
Messaging EmailEmail-
-
JavaYes, via Java MIDP emulatorNo
-
Browser
-
HTMLYes-
-
Browser-Yes
-
Battery
-
Battery typeLi-IonLi-Ion
-
Battery capacity1500 mAh1350 mAh
-
Talk time-9 h 10 min
-
Talk time 3G8 h-
-
Standby time-350 h
-
Standby time 3G120 h-
