Celkon A40 vs Samsung I929 Galaxy S II Duos
Celkon A40
Samsung I929 Galaxy S II Duos
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Network
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2G networkGSM 900, 1800GSM 900, 1800, 1900
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EV-DO speed-3.1 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-12011-12
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Status2014-12012-9
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Design
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SIMDual SIMDual SIM (Mini-SIM, dual stand-by)
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Height126.2 mm129.8 mm
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Width64 mm68.9 mm
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Thickness10.8 mm9.7 mm
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Weight126.5 g138 g
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ColorsBlue, White, YellowBlack
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Display
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Display typeTFT touchscreenSuper AMOLED Plus capacitive touchscreen
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Physical size4.0 inches4.52 inches
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Resolution480 x 800 pixels480 x 800 pixels
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Pixel density233 ppi206 ppi
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Display colors-16777216
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Hardware
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CPUDual-core 1.3 GHzDual-core 1.2 GHz
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Chipset-Qualcomm MSM8660 Snapdragon
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GPU-Adreno 220
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Memory RAM512 MB1 GB
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Internal storage4 GB16 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, v2.3.5 (Gingerbread)
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Main camera
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Main camera5 MP8 MP
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Primary camera resolution2592 x 1944 pixels3264 x 2448 pixels
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Primary camera videovideo1080p@30fps
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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 cameraNo-
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Selfie camera2 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioStereo FM radio with RDS
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-Go-Yes
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BluetoothYesv3.0
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Bluetooth A2DP-Yes
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GPSYesYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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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 mAh1800 mAh
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Talk time--
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Standby time--
