Celkon A115 vs Plum Optimax 8.0
Celkon A115
Plum Optimax 8.0
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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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HSDPA speedHSDPA21.1 Mbps
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HSUPA speed-5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122016-3
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Status2014-122016-4
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Micro-SIM, dual stand-by)
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Height148 mm210.6 mm
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Width74 mm121.7 mm
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Thickness9.3 mm8.7 mm
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Weight164 g305 g
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ColorsBlack, WhiteBlack, White
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.0 inches8.0 inches
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Resolution480 x 854 pixels800 x 1280 pixels
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Pixel density196 ppi189 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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CPUDual-core 1.3 GHzQuad-core 1.3 GHz ARM Cortex-A7
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ChipsetMediatek MT6582Mediatek MT6580
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GPU-Mali-400
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Memory RAM512 MB1 GB
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Internal storage4 GB8 GB
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Memory cardmicroSDmicroSD
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Memory card max64 GB32 GB
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OS
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OSAndroid OS, v4.2.2 (Jelly Bean)Android OS, v5.1 (Lollipop)
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Main camera
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Main camera8 MP5 MP
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Primary camera resolution3264 x 2448 pixels-
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Primary camera videovideo720p@30fps
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Camera features-Geo-tagging, HDR, face detection, panorama
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Selfie camera
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Selfie camera1.3 MP2 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 radioFM 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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WLAN WiFi Direct-Yes
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USBmicroUSB 2.02.0
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BluetoothYesv4.0
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GPSNoYes, 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 Email-Push Email
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer, gyro, proximity
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity2000 mAh3400 mAh
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Battery removable-Non-removable
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Talk time 2G-24 h
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Talk time 3G18 h14 h
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Standby time 2G-875 h
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Standby time 3G360 h775 h