Karbonn KT21 Express vs Lenovo A65
Karbonn KT21 Express
Lenovo A65
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Network
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2G networkGSMGSM 900, 1800, 1900
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3G network-HSDPA 900, 2100
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122012-7
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Status2012-7
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM, dual stand-by)
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Height116 mm
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Width59.9 mm
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Thickness12.6 mm
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Weight
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ColorsBlackBlack
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size2.8 inches3.5 inches
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Resolution-320 x 480 pixels
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Pixel density-165 ppi
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Display colors-262144
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Hardware
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CPU650 MHz ARM Cortex-A9
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Chipset-Mediatek MT6573
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GPU-PowerVR SGX531
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Internal storage-220 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB16 GB
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Memory card included-4 GB
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Main camera
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Main camera3.15 MP3.15 MP
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Primary camera resolution2048 x 1536 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic(64), MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio
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Radio recordingFM recording-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBYesmicroUSB 2.0
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BluetoothYesYes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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JavaYesYes, via Java MIDP emulator
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Browser
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HTML-Yes
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh1500 mAh
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Talk time--
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Standby time--
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OS
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OS-Android OS, v2.3.5 (Gingerbread)
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