Alcatel OT-668 vs Celkon A40
Alcatel OT-668
Celkon A40
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Network
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2G networkGSM 850, 1900GSM 900, 1800
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GPRSYesYes
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EDGEYes
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Availability
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Status2012-82014-1
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Oficially announced2012-82014-1
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Design
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SIMMini-SIMDual SIM
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Height92.5 mm126.2 mm
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Width46 mm64 mm
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Thickness17.2 mm10.8 mm
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Weight76 g126.5 g
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ColorsAubergine, Black, Cherry RedBlue, White, Yellow
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Display
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Display typeTFTTFT touchscreen
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Physical size1.77 inches4.0 inches
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Resolution128 x 160 pixels480 x 800 pixels
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Pixel density116 ppi233 ppi
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Display colors262144-
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Hardware
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CPU104 MHz1.3 GHz Dual-core
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Internal storage2 MB4 GB
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Memory RAM-512 MB
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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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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, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMStereo FM radio with RDSFM radio
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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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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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GPSNoYes
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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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Messaging IM-IM
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WAPWAP 2.0/xHTML-
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JavaYesNo
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity650 mAh1500 mAh
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Talk time6 h-
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Standby time400 h-
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OS
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OS-Android OS, v4.2.2 (Jelly Bean)
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Browser
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HTML-Yes
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