Celkon Campus Colt A401 vs Posh Volt Max LTE L640
Celkon Campus Colt A401
Posh Volt Max LTE L640
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 850, 1900, 2100
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4G network-LTE frequency band 2(1900), 3(1800), 4(1700/2100), 7(2600), 17(700)
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Speed YesYes-
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LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-102016-3
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Status2014-102016-6
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Design
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SIMDual SIMDual SIM (Micro-SIM, dual stand-by)
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Height124.9 mm176 mm
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Width64 mm89.3 mm
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Thickness10.4 mm8.1 mm
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Weight230 g
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ColorsBlack, Blue, WhiteGold, Grey, Rose Gold
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Display
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Display typeCapacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.0 inches6.44 inches
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Resolution480 x 800 pixels1280 x 1920 pixels
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Pixel density233 ppi358 ppi
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Display colors-16777216
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Multitouch-Yes, max 5 fingers
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Hardware
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CPU1 GHz1.3 GHz Octa-core ARM Cortex-A53
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ChipsetSpreadtrum SC7715Mediatek MT6753
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GPUMali-400Mali-T760MP2
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Memory RAM512 MB3 GB
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Internal storage4 GB32, 64 GB
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Memory cardmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v4.4.2 (KitKat)Android OS, v5.1 (Lollipop)
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Main camera
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Main camera3.15 MP13 MP, f/2.4
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Primary camera resolution2048 x 1536 pixels-
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Primary camera videovideo1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flashLED flashLED flash
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Camera features-1.12 µm pixel size, 1/3" sensor size, HDR, face detection, geo-tagging, panorama, touch focus
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Selfie camera
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Secondary cameraYes-
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Selfie camera8 MP, f/2.2 , 1/5" , 1.12 µm
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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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-FiWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.0v4.1
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Bluetooth A2DP-Yes
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bluetooth LE-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 IM-IM
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Messaging Push Mail-Push Mail
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JavaYes, via Java MIDP emulatorNo
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SensorsAccelerometer, proximityAccelerometer, compass, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1400 mAh6000 mAh
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Battery removable-Non-removable
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Talk time--
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Talk time 2G-16 h
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Talk time 3G-8 h
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Standby time--
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Standby time 2G-600 h
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Standby time 3G-400 h
