Plum Optimax 7.0 vs Posh Volt Max LTE L640
Plum Optimax 7.0
Posh Volt Max LTE L640
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 1900, 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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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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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 announced2016-32016-3
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Status2016-42016-6
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Design
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SIMDual SIMDual SIM (Micro-SIM, dual stand-by)
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Height188 mm176 mm
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Width108 mm89.3 mm
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Thickness10 mm8.1 mm
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Weight276 g230 g
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ColorsBlack, WhiteGold, Grey, Rose Gold
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size7.0 inches6.44 inches
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Resolution600 x 1024 pixels1280 x 1920 pixels
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Pixel density170 ppi358 ppi
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Display colors1677721616777216
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MultitouchYes, max 5 fingersYes, max 5 fingers
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Hardware
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CPUQuad-core 1.3 GHz ARM Cortex-A7Octa-core 1.3 GHz ARM Cortex-A53
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ChipsetMediatek MT8321Mediatek MT6753
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GPUMali-400Mali-T760MP2
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Memory RAM1 GB3 GB
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Internal storage8 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, v5.1 (Lollipop)Android OS, v5.1 (Lollipop)
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Main camera
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Main camera5 MP13 MP, f/2.4
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Primary camera video720p@30fps1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama1.12 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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Selfie camera2 MP8 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-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 DirectYesYes
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USB2.0microUSB 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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GPSYes, with A-GPSYes, 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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Messaging Push EmailPush Email-
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Messaging Push Mail-Push Mail
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JavaNoNo
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SensorsAccelerometerAccelerometer, compass, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity2800 mAh6000 mAh
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Battery removableNon-removableNon-removable
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Talk time 2G21 h16 h
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Talk time 3G12 h8 h
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Standby time 2G800 h600 h
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Standby time 3G650 h400 h
