Celkon AR40 vs Lenovo IdeaPad K1
Celkon AR40
Lenovo IdeaPad K1
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Network
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2G networkGSM 900, 1800
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3G networkHSDPA 2100HSDPA 2100
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HSDPA speedHSDPAHSDPA
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HSUPA speedHSUPAHSUPA
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EV-DO speed-3.1 Mbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2013-122011-6
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Status2013-122011-7
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Design
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SIMDual SIMNo
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Height126.2 mm264 mm
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Width64 mm189 mm
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Thickness10.8 mm13.3 mm
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Weight126.5 g750 g
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ColorsYellowBlack, Brown, Red, White
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Display
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Display typeTFT touchscreenTFT capacitive touchscreen
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Physical size4.0 inches10.1 inches
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Resolution480 x 800 pixels800 x 1280 pixels
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Pixel density233 ppi149 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.3 GHzDual-core 1 GHz ARM Cortex-A9
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Chipset-Nvidia Tegra 2 T20
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GPU-ULP GeForce
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Memory RAM512 MB1 GB
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Internal storage4 GB16, 32 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.2.2 (Jelly Bean)Android OS, v3.1 (Honeycomb)
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Main camera
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Main camera3.15 MP5 MP
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Primary camera resolution2048 x 1536 pixels2592 x 1944 pixels
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Primary camera videovideo720p
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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 cameraYes-
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Selfie camera2 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, Polyphonic, MP3 ringtonesN/A
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0miniUSB 2.0
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Bluetoothv4.0v2.1
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Bluetooth A2DPYesYes
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Bluetooth EDR-Yes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push Email-Push Email
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JavaNoYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Adobe Flash-Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh7400 mAh
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Battery removable-Non-removable
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Talk time-10 h
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Standby time--
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