Karbonn A4 vs Panasonic T21
Karbonn A4
Panasonic T21
-
Network
-
2G networkGSM 850, 1900GSM 850, 900, 1800, 1900
-
3G networkHSDPA 900, 2100HSDPA 900, 2100
-
HSDPA speedHSDPAHSDPA
-
HSUPA speedHSUPAHSUPA
-
GPRSYesYes
-
EDGEYesYes
-
Availability
-
Oficially announced2013-32013
-
Status2013-32013
-
Design
-
SIMDual SIM (Mini-SIM)Dual SIM
-
Height124.8 mm132 mm
-
Width66 mm66 mm
-
Thickness9.5 mm9.8 mm
-
Weight75 g140 g
-
ColorsWhite/BlackBlack, White
-
Display
-
Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
-
Physical size4.0 inches4.5 inches
-
Resolution320 x 480 pixels720 x 1280 pixels
-
Pixel density144 ppi326 ppi
-
Display colors26214416777216
-
Hardware
-
CPUDual-core 1.2 GHz
-
Internal storage256, 512 MB4 GB
-
Memory RAM-1 GB
-
Memory cardmicroSDmicroSD
-
Memory card max32 GB32 GB
-
OS
-
OSAndroid OS, v2.3.6 (Gingerbread)Android OS, v4.1 (Jelly Bean)
-
Main camera
-
Main camera3.15 MP8 MP
-
Primary camera resolution2048 x 1536 pixels3264 x 2448 pixels
-
Primary camera videovideo1080p@30fps
-
Primary camera Autofocus-autofocus
-
Primary camera flash-LED flash
-
Selfie camera
-
Secondary cameraYes-
-
Selfie camera2 MP
-
Sound
-
3.5mm jackYesYes
-
LoudspeakerYesYes
-
NotificationsVibration, MP3, WAV ringtonesVibration; MP3, WAV ringtones
-
Multimedia
-
Radio FMFM radioFM radio
-
Connectivity
-
WLANWi-FiWi-Fi 802.11b, 802.11g, 802.11n
-
WLAN WiFi HotspotYesYes
-
USBYesmicroUSB 2.0
-
BluetoothYesv2.1
-
Bluetooth A2DP-Yes
-
GPSNoYes, with A-GPS
-
Features
-
Messaging SMSSMS(threaded view)SMS(threaded view)
-
Messaging MMSMMSMMS
-
Messaging EmailEmailEmail
-
Messaging IMIMIM
-
Messaging Push Email-Push Mail
-
JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
-
Browser
-
HTMLYesHTML5
-
Battery
-
Battery typeLi-IonLi-Ion
-
Battery capacity1400 mAh1700 mAh
-
Talk time4 h 20 min-
-
Standby time250 h-
_small.jpg)
