Icemobile Twilight II vs Karbonn A21
Icemobile Twilight II
Karbonn A21
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G network-HSDPA 2100
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HSDPA speed-HSDPA, 7.2 Mbps
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-122014-12
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Status
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height100 mm
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Width51.2 mm
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Thickness17.6 mm
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Weight100 g
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KeyboardQWERTY-
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ColorsBlack, Red, WhitePearl White
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Display
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Display typeTFT touchscreenTFT capacitive touchscreen
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Physical size2.4 inches4.5 inches
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Resolution240 x 320 pixels480 x 800 pixels
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Pixel density167 ppi207 ppi
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Display colors-262144
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Hardware
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CPUDual-core 1.2 GHz
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Memory RAM-512 MB
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Internal storage-4 GB
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Memory cardmicroSDmicroSD
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Memory card max8 GB32 GB
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Main camera
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Main camera2 MP5 MP
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Primary camera resolution1600 x 1200 pixels2592 x 1944 pixels
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Primary camera videovideovideo
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera1.3 MP
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Sound
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3.5mm jackNoYes
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LoudspeakerNoYes
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NotificationsVibration, MP3 ringtonesVibration, MP3, WAV ringtones
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Multimedia
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Radio-No
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Radio FMStereo FM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBYesmicroUSB 2.0
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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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 Email-Email
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Messaging IM-IM
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Messaging Push Email-Push Email
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WAPWAP 2.0/xHTML-
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JavaYesYes, via Java MIDP emulator
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity700 mAh1800 mAh
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Talk time6 h5 h
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Standby time180 h200 h
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OS
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OS-Android OS, v4.0 (Ice Cream Sandwich)
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Browser
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HTML-Yes
