Karbonn A21 vs Lenovo S939
Karbonn A21
Lenovo S939
-
Network
-
2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
-
3G networkHSDPA 2100HSDPA 2100
-
HSDPA speedHSDPA, 7.2 MbpsHSDPA
-
HSUPA speed-HSUPA
-
GPRSYesYes
-
EDGEYesYes
-
Availability
-
Oficially announced2014-122014-5
-
Status2014-5
-
Design
-
SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM, dual stand-by)
-
Height159 mm
-
Width84 mm
-
Thickness8.7 mm
-
Weight171.5 g
-
ColorsPearl WhiteDark Gray
-
Display
-
Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
-
Physical size4.5 inches6.0 inches
-
Resolution480 x 800 pixels720 x 1280 pixels
-
Pixel density207 ppi245 ppi
-
Display colors26214416777216
-
Hardware
-
CPUDual-core 1.2 GHzOcta-core 1.7 GHz ARM Cortex-A7
-
Chipset-Mediatek MT6592
-
GPU-Mali-450MP4
-
Memory RAM512 MB1 GB
-
Internal storage4 GB8 GB
-
Memory cardmicroSDmicroSD
-
Memory card max32 GB32 GB
-
OS
-
OSAndroid OS, v4.0 (Ice Cream Sandwich)Android OS, v4.2 (Jelly Bean)
-
Main camera
-
Main camera5 MP8 MP
-
Primary camera resolution2592 x 1944 pixels3264 x 2448 pixels
-
Primary camera videovideovideo
-
Primary camera Autofocusautofocusautofocus
-
Primary camera flashLED flashLED flash
-
Selfie camera
-
Selfie camera1.3 MP1.6 MP
-
Sound
-
3.5mm jackYesYes
-
LoudspeakerYesYes
-
NotificationsVibration, MP3, WAV ringtonesVibration; MP3, WAV ringtones
-
Multimedia
-
RadioNo-
-
Radio FM-FM radio
-
Connectivity
-
WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
-
WLAN WiFi Hotspot-Yes
-
USBmicroUSB 2.0microUSB 2.0
-
Bluetoothv2.1Yes
-
Bluetooth A2DPYes-
-
GPSYes, with A-GPSYes, with A-GPS
-
Features
-
Messaging SMSSMS(threaded view)SMS(threaded view)
-
Messaging MMSMMSMMS
-
Messaging EmailEmailEmail
-
Messaging IMIMIM
-
Messaging Push EmailPush EmailPush Mail
-
JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
-
Browser
-
HTMLYesYes
-
Battery
-
Battery typeLi-Ion-
-
Battery capacity1800 mAh3000 mAh
-
Talk time5 h-
-
Standby time200 h-
_small.jpg)
