Celkon A20 vs Celkon A21
Celkon A20
Celkon A21
-
Network
-
2G networkGSM 900, 1800GSM 900, 1800
-
3G networkHSDPA 2100HSDPA 2100
-
HSDPA speed-HSDPA
-
Speed YesYes, 384 kbps-
-
GPRSYesYes
-
EDGEYesYes
-
Availability
-
Status2013-82014-12
-
Oficially announced2013-82014-12
-
Design
-
SIMDual SIM (Mini-SIM)Dual SIM (dual stand-by)
-
Height124.8 mm
-
Width66.1 mm
-
Thickness10.8 mm
-
Weight115.3 g
-
ColorsBlackBlack, Blue, Red
-
Display
-
Display typeTFT capacitive touchscreenCapacitive touchscreen
-
Physical size4.0 inches4.0 inches
-
Resolution480 x 800 pixels320 x 480 pixels
-
Pixel density233 ppi144 ppi
-
Hardware
-
CPUDual-core 1.2 GHzDual-core 1.2 GHz
-
Chipset-Mediatek MT6582
-
Memory ROM256 MB512 MB
-
Memory RAM512 MB256 MB
-
Memory cardmicroSDmicroSD
-
Memory card max32 GB32 GB
-
OS
-
OSAndroid OS, v4.2.0 (Jelly Bean)Android OS, v4.2.2 (Jelly Bean)
-
Main camera
-
Main camera3.15 MP3.15 MP
-
Primary camera resolution2048 x 1536 pixels-
-
Primary camera videovideovideo
-
Selfie camera
-
Secondary cameraVGA camera-
-
Selfie camera1.3 MP
-
Sound
-
3.5mm jackYesYes
-
LoudspeakerYesYes
-
NotificationsVibration, Polyphonic, MP3 ringtonesVibration, Polyphonic, MP3 ringtones
-
Connectivity
-
WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi
-
USBmicroUSB 2.0Yes
-
BluetoothYesv4.0
-
GPSNoNo
-
Features
-
Messaging SMSSMS(threaded view)SMS(threaded view)
-
Messaging MMSMMSMMS
-
Messaging EmailEmailEmail
-
Messaging IMIM-
-
Messaging Push EmailPush Email-
-
JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
-
Browser
-
HTMLYesYes
-
Battery
-
Battery typeLi-IonLi-Ion
-
Battery capacity1500 mAh1500 mAh
-
Talk time--
-
Talk time 3G-8 h
-
Standby time--
-
Standby time 3G-120 h
-
Multimedia
-
Radio FM-FM radio
